MXPA00002897A - Portable clean air supply assembly for designated volume air cleaning - Google Patents

Abstract

An improved adjustably directed clean air supply assembly, which is operated to direct clean air in a selectable direction through a designated volume where an activity is being undertaken. The assembly includes a pre-filter (142) covering a lower housing (122), the lower housing including an interior powered air moving assembly (162). The assembly further includes a tower hollow housing (54) located above and supported by the lower housing (122), wherein an adjustable height telescoping structural tube (58) is mounted in the tower hollow housing (54) for vertical positioning and limited rotational positioning. The assembly further includes a self sealing bellows (60) and a top filter head assembly (326) attached to the self sealing bellows (60), for final filtering through a HEPA filter (68). The top filter head assembly is angularly adjustable through a tilt adjustment assembly (62) located within the bellows (60).

Description

ENSAM BLE PORTABLE OF YOUR MI REVISION OF THEIR REPUBLIC FOR THE AIR VOLUME OF THE VOLU MEN DESIG NADO BACKGROUND ^ - Clean air by specifications is necessary in areas and volumes where the activities taken will not be successful with safety, unless clean air that meets certain specifications is the only air that passes through the volume or site where the activity is taking place. Many types of equipment are offered on the market and are described in patents and publications, which provide clean air to meet various specifications. Some of these types are portable for convenience of use in a specific location, where clean air is necessary, and the site is usually designated as an area of ultra clean air. With respect to the equipment illustrated and described in the E patents. U .A. : In 1974, Messrs. Anspach Jr. and Bakels in their patent application 3, 820, 536, described their portable device to provide clean air in a surgical area. The air from a nearby surrounding area was ejected at the height of an operating table, then filtered and subsequently discharged horizontally on the operating table and beyond the patient. Sterile covers were used to continue the direction of clean air and to prevent the entry of unfiltered air into the filtered clean air stream; In 1976, Louis Bush in his 3,835,803 patent described and illustrated his air filtration device, which was portable and in its place of use around a hospital bed directed a filtered stream of clean air down over the entire bed. The air from the surrounding room entered just above the level of the floor beyond the head of the bed, and then the air filtered up to be discharged from a plenum chamber, placed on the hospital bed; In 1985, Frederick H. Howorth in his patent 4,531,956 described his sterile air pulley, moving to a place where sterile air was required. The surrounding air that would be cleaned and sterilized was expelled in horizontally passed filters, and then moved upward through a blower to enter a horizontal cover with many discharge openings, arranged in both vertical and horizontal planes. The main quantity of the sterile air was directed downwards through a volume or site, where an activity was carried out, which was carried out when it was surrounded by the sterile air of descending flow, which remained free of any contaminated environmental air; In 1988, Charles W. Spengler in his patent, 4,732,592 illustrated and described his portable clean air installation having an activated filter unit to expel surrounding air, and also to expel air leaving the volume of clean adjacent air surrounded > by a lamination of plastic placed on a PVC pipe frame, and then to discharge the filtered air down through this volume of adjacent clean air; and In 1994, Raine Riutta described and illustrated in the patent 5 5,312,465, a filtration apparatus with a bag-type plenum chamber, which is portable and can be crushed for movement and storage, and then inflated, in part, during its use. The surrounding air is expelled just above the level of the floor and then directed upwards while it is filtered. After, the filtered air enters the inflated flexible bag, serving as a plenum chamber, which first extends on a diagonal to a higher elevation, and then in a horizontal plane to place an outlet at the end of this plenum chamber above a place where clean air is necessary. The clean air The filtrate is then directed downward and through the site requiring clean air flow. With respect to the equipment available in the market and established in the published information, the portable clean air station model Cías 10 produced by International Portland Corporation, illustrates and describes as a portable unit that expels surrounding air just above the floor level to enter a pre-filter. Then, the pre-filtered air is directed upwards through a vertical tube of adjustable height which, in its upper part, is connected to a fixed 90 ° elbow. After, this elbow is connected to a horizontal tube. At the extended end of this horizontal tube is an attached angular adjustment mechanism surrounded by a bellows, which is also secured to the horizontal tube. Both the angular adjustment mechanism and the bellows are also connected, at their other ends, to an adjustable head that has a plenum and a HEPA filter. The pre-filtered air passes from the tubes, to pass through the angular adjustment mechanism, while directed inside the bellows. Then, the pre-filtered air enters the plenum and passes through the HEPA filter to discharge as clean air through the adjustable head, and in a selected direction through a site where clean, flowing air is needed. This adjustable head can be tilted through 90 °, and through movement this portable clean air station is positioned through 360 °. The angular position of the adjustable head, when changed, requires the manipulation of an external closure and non-closed knob accessible in the upper outer part of the horizontal tube.

The layout of the model portable clean air station Cias 10 allows the pre-filtered air to enter the center of the full filter of the adjustable head. When the adjustable head is placed horizontally, the clean air comes out in a downward vertical airflow, as this adjustable head is located at an extended distance from the vertical tube. With respect to this extended head, the bellows is located 1.5 times the width or size of the filter outside the center line of the vertical tube. Therefore when moving this portable clean air station model Cias 10, this unbalanced top heavy configuration requires very careful handling during its movements. The adjustable head and its filter are not adjustable enough to be taken out of this unbalanced extended position during any movement of this portable clean air station model Cías 10. Although these illustrated and described products are recognized for their merits and for their air production clean and / or sterile air, which is directed through sites that need only the flow of said clean and / or sterile air, there are several needs that are not met for a portable equipment to supply and conveniently supply clean and / or sterile air.

COMPENDIUM OF THE INVENTION A clean air supply device is available improved laptop for laminating through doors and that is easily stored in a comparatively limited space.

Then, when necessary, it is conventionally moved to a site that needs clean air. There, it will produce a clean air flow through a volume and area, without needing proof of rectification to produce a clean air of certifiable quality, where an activity is taken, which can not be impeded by the presence of contamination. After being placed in the selected site, this clean air supply assembly is quickly adjusted in an operation configuration, which is one of many that may have been selected. An upper filter head assembly, through adjustments of the components that support it, is pivoted through vertical angles selected in a vertical plane; it is rotated either to the left or to the right, nothing less than a complete rotation either in one direction in a horizontal plane; and either raised or reduced with respect to the floor or ground level; and if necessary, lights are turned on. When in operation, this improved portable rotary air supply assembly expels surrounding air in a horizontal way above the, but close to ground level through a front pre-filter assembly. The prefiltered air is expelled into and through a lower hollow housing during operations of an indoor driven air movement assembly by focusing on the rotation of a rearwardly inclined impeller, which discharges the prefiltered air upwardly. Then, a hollow tower housing supported on the lower hollow housing receives the pre-filtered air and directs it towards a height-adjustable telescopic structural tube, which is movably supported in the hollow tower housing, for rotations to the left and to the right , limited to less than one complete revolution to avoid the entanglement of circuit cables, and for downward and upward movement with its upper part being able to extend to an elevation of 1,828 m. A tilt adjustment assembly is secured to the upper part of the height-adjustable telescopic structural tube, and also to the upper filter head assembly, to place the upper filter head assembly in a controlled manner to move and stop at selected sites, through a rotation of 90 ° in a vertical plane. In addition, an adjustable and spring-loaded cable subassembly is connected between the height-adjustable telescopic structural tube and the upper filter head assembly, so that the upper filter head assembly can be rotated through 90 ° more, thus complementing a 180 ° arcuate movement of the upper filter head assembly. A bellows is sealed securely between the upper filter head assembly and the height adjustable telescopic structural tube, while surrounding the tilt adjustment assembly and portions of the adjustable cable subassembly and spring placement and provides a wide air passage. prefiltered. The upper filter head assembly receives the prefiltered air from the bellows, in effect, through an inlet thereof, which directs the flow of the prefiltered air in a path that is parallel to the plane where the final filter is located. This filter is referred to as a highly efficient particle recovery filter, also referred to as a HEPA / ULPA filter. The final HEPA / ULPA filter is installed using preformed sealing joints. Preferably, deflectors are arranged in the upper filter head assembly to evenly distribute the prefiltered air through the HEPA filter. A grid protects the HEPA filter and helps them 8 to be placed. Any development of static electricity on or around this grid is avoided by the ground connection of the grid. ^ The lower rotary support assembly is arranged as near the level of the floor to pass through and under obstructions, and tilting handles of lockable position are used. Although the lower rotating support assembly provides an excellent stable base, the lower hollow housing has a receiving volume where loads are placed removable selectable. For example, when larger size filter head assemblies are used, the counterweights are placed on the receiving volumes. Several modalities result in the selection of electrical and electronic components to provide controls and equipment: to provide a working air lighting system; to operate the moving assembly of internally operated air, and operate an electric powered lifting assembly to raise and lower the height-adjustable telescopic structural tube, which thereby raises and lowers the filter head assembly superior. The electrical controls are covered in a protective manner to prevent static shocks and are well sealed for convenient cleaning using liquid cleaners, and the entire clean air supply assembly is thus assembled and configured to be easily cleaned, and to avoid dust collection as much as possible. When it is necessary to avoid external air currents, which is not filtered and could interfere with filtered air, a transparent plastic cover, also referred to as a curtain or • 5 coating is removably secured around the upper filter head assembly. Then, it is arranged to direct the filtered air to and through the site where the clean air, so specified, must flow, so that an activity is successfully carried out, as contamination is avoided. 10 When possible, materials and structures are used • sound attenuation, without interfering with the flow of pre-filtered air through the respective plenums created in the interior of the hollow interior housing, the hollow tower housing, the height-adjustable telescopic structural tube, the bellows, and the assembly of upper filter head. In any selected total height adjustment, a clamping assembly is available that will be tightened to maintain the selected height position. Also, the structural tube • Telescopiable adjustable height at the bottom of it has a The portion that interferes with a portion of the adjustable positioning subassembly, to thereby prevent unwanted removal of this tube from the surrounding portions of the hollow tower housing. With respect to all modalities of the clean air supply assembly, a person using a modality respective has many options how you can dispose the components of it; control the speed of clean air supply; direct clean air supply paths to, around and beyond specific sites, where clean air and ultra clean air are required.

DRAWINGS OF THE PREFERRED MODALITIES Preferred embodiments of this clean, air-directed, clean air supply assembly, which can pass through doors or inlets, rotatably placed, improved, used in a room to direct clean air through a designated volume within the room, are illustrated in the drawings, wherein: Figure 1 is a front perspective view of one embodiment of this clean air supply assembly, showing the upper filter cover assembly optionally arranged at a 45 ° position to direct clean air to This selected angle, dotted lines indicating the 180 ° downward position of the upper filter cover assembly for storage or transport. Figure 2 is a right side view of this assembly, shown in Figure 1. Figure 3 is a left side view of the assembly, shown in Figure 1. Figure 4 is a rear view of the assembly, shown in Figure 1 .

Figure 5 is a top view of the assembly, shown in Figure 1. Figure 6 is a bottom view of the assembly, shown in Figure 1. • Figure 7 is a right side view of the assembly, shown in Figure 1 , illustrating how the upper filter cover assembly is inclined against the rear part of the lower housing, so that this clean air supply assembly can be moved through a door or transported. Figure 8 is a right side view of the assembly of • Clean air supply, shown in Figure 1, illustrated as the upper filter cover assembly is tilted to the fully straight position, with the upper air flow directed horizontally. Fig. 9 is a right side view of the assembly, shown in Fig. 1, illustrating how the upper filter cover assembly has been raised, rotated around and inclined to direct clean air down through the rear side site of the assembly. supply of clean air. Figure 10 is a right side view of the assembly, shown in Figure 1, illustrating a portion of a room, where a work table is located adjacent to the clean air supply assembly, which directs the clean air directly over the work table, thus creating a flow table work area of clean air.

Figure 11 is an exploded perspective view of most of the essential parts of this clean air supply assembly, however, they are not shown: the electric motor to drive the impeller tilted backward, which moves the air to through this assembly; the electrical components and accompanying electrical circuits; sound absorbing materials; sealing materials; adhesive materials; and several bras. Figure 12 is a vertical cross-sectional view of the assembled lower housing, and the various components supported thereby; for example, the electric motor that drives the impeller inclined backwards; the lodgings of towers that extend below it; a carbon pre-filter assembly including the deflector and its door; limbs and shooters; the sound absorbing materials; the energy cable storage disks; the storage volume to receive selected counterweights and the weights thus placed, especially when using a large upper filter cover assembly.

Figure 12A is an enlarged partial section view showing how the front prefilter assembly, at the bottom thereof, is removably supported by the front portion of the lower hollow housing. Figure 13 is a horizontal cross-sectional view taken through the lower housing of the assembly and the various components supported thereon, one of which is the electric motor that drives the impeller tilted backward.

Figure 14 is an exploded perspective view of the power assembly mounted in the hollow tower housing and used to raise and lower the telescopic structural tube plenum, particularly showing: the electric motor and its rotary activation assembly; the feed screw that is rotated by this rotation drive assembly; the guide block interfixed with the anterior screw and placed positively with the bottom of the telescopic structural tube, therefore, as the guide block moves up and down after the rotation of the anterior screw, this one to its it rotates the telescopic structural tube plenum up and down to raise and lower the upper filter cover assembly; the separate guide rails which maintain that the guide block does not rotate through its up and down trajectory, along the lead screw. Figure 15 is a partial vertical cross-sectional view of the guide block, mounted on the advancing screw and receiving and holding the lower regular portion of the telescopic structural tube plenum. Figure 16 is a partial horizontal cross-sectional view of the guide block mounted on the lead screw, guided by the guide rails, which preferably are integrally molded in the tower housing, the portions of this housing being shown together with portions of the telescopic structural tube plenum including the rotational limit pin.

Figure 17 is a partial exploded perspective view of the tilt adjustment assembly and the supplemental positioning assembly, which together support the upper filter cover assembly in an inclined manner over the telescopic structural tube plenum assembly with portions only being shown for each one. Figure 18 is a block diagram of electrical and electronic components, with schematic indications of the circuit system with respect to the operational control assembly of this improved clean air supply assembly. Figure 19 is an exploded view of the electrical contacts incorporated in the cover bezel to the upper filter hollow cover assembly to allow the removal of the bezel without the need to make the cable connection. Figure 20 is a front perspective view only of the upper portion of this clean air supply to show how the upper filter cover assembly can be installed, which requires that an additional counterweight be placed on the lower hollow housing, as shown in Figure 12. Figure 21 is an exploded partial perspective view of the components of an adjustable, hand-operated tube brake assembly, which is used, when a power lift assembly is not used, and as a stabilizing clamp in the power lifting mode to control the telescopic placement of the telescopic structural tube plenum, and also showing the support strip material used in all modalities. Figure 22 is a perspective view of the clean air supply device, having a working tray supported on the telescopic structural tube plenum assembly, and having an air insulating plastic coating, also referred to as a cover or curtain, secured around the upper filter cover assembly and suspended down near the floor level, to create a clean room type space or volume, under positive air pressure, where the work tray, hospital bed or other device , it is conveniently placed to be interspersed in clean air. Figure 23 is a partial cross-sectional view of the upper filter cover assembly with key components unlocked and separated. Figure 23A is an exploded view of the final filter sealing gasket and receptacle details. Figure 24 is a partial cross-sectional view of the upper filter cover assembly with the filter blocked.

DESCRIPTION Introduction This clean, air-directed, clean air supply assembly, which can pass through "doors, rotatably placed, improved, 30, illustrated through the drgs, is conveniently maneuvered to a volume 32 site, where it can be located , where a lot of clean air 34, by written specifications, is necessary, when a procedure is being carried out, which can not be prevented by the presence of contamination substances.These clean air supply assemblies 30 are used, where they are performing medical operations, where medical preparations are being made, where medical patients are being recovered, where food is cut, prepared, manufactured or packaged, where electrical, electronic and electromechanical products are being manufactured, assembled and packed where the optional components are being manufactured, assembled and packed, and where any is Human effort could otherwise be damaged by the presence of polluting substances. Each of these clean air supply assemblies 30, as shown in Figure 10, expels air close to its bottom 36, in a horizontal flow path 38, which is sufficiently located above a floor level 40, or at ground level 40, to collect contaminants from the air, but to avoid the collection of any possible contaminants from the floor 42, which may already be filtered from the surrounding air 44 at a volume 32 site. This horizontal flow path 36, leaving the surrounding air 44, enters a front pre-filter assembly 48 of the clean air supply assembly, with respect to its lower hollow housing 50. The starting and continuous movement of the air made, through and out of this clean air supply assembly 30, occurs during the operations of an internal activated air moving assembly 52, which is mounted in the hollow housing assembly 50, as shown in Figure 12. The prefiltered air 54, as shown in Figure 11, after leaving the moving assembly of inner driven air 52, flows upward through a hollow tower housing 56, which is supported in the lower hollow housing 50, of this ma In this embodiment, this prefiltered air 54 continues to flow upward through a height adjustable telescopic structural tube 58. After exiting this tube 58, the prefiltered air 54 directly enters a self-sealing bellows 60, which acts as a flexible plenum. secured between the telescopic structural tube 58 and an upper filter cover assembly 66, and surrounding an inclination adjustment assembly 62, as shown in Figure 11. After the bellows 60 comes out, the prefiltered air 54 enters the assembly. of upper filter cover 66, shown in Figure 11, to pass through a high efficiency particle recovery air filter 68, before being directed to pass to and through a specific site 70, where air is required clean 34, as shown in Figure 10. Each clean air supply assembly 30 has a lower rotary support assembly 74, secured to the lower hollow housing 50, which ensures its convenient movement, as shown in Figures 7 and 8. After adjustment of the tilt adjustment assembly 62, the upper filter cover assembly 66 is arranged for the convenient passage of the clean air supply assembly 30 to the specific site 70, where clean air 34 is required, as shown in Figure 10. Next, the upper filter cover assembly 66 is arranged to direct the specific clean air 70 and beyond, finally being returned, to be expelled to through the front prefilter assembly 48 as shown in Figure 10.

Appearance and General Layout This clean air supply assembly that is adjustable, which can pass through doors, rotatably placed, improved, 30 has the overall overall appearance as illustrated in Figures 1 to 8, when the telescopic structure tube of Adjustment height 58 is in its lowest position. In Figures 9, 10 and 22, this adjustably directed clean air supply assembly 30 has the upper filter cover assembly 66 thereof located at a higher elevation, when the height adjustable telescopic structure tube 58 is in a of the various adjustable height positions 76, rotary positions 77 about the vertical axis and angularly adjustable 75 about the horizontal axis. As illustrated in Figure 1, across dashed lines, and in Figure 7, the upper filter cover assembly 66 is rotated downwardly to a non-operating position, the filter cover assembly 66 resting against the rubber cover receiving cushion 320, referred to as "stored position" 78, for storage convenience and / or passing through a door 82, the entire clean air supply assembly 30. Also, as shown in FIG. Figure 9, the upper filter cover assembly 66 is conveniently raised and rotated to direct clean air through a rear site of this assembly 30. In Figure 8, the upper filter cover assembly 66 is positioned directly in straight form, termed as "straight deck position" 80, to provide a clean area for a larger area within a room through a greater separation between the filter outlet of the ire 34 and the inlet of the prefilter 48. At other times of operation, the upper filter cover assembly 66 can be placed at an angle, as shown in Figures 1 to 3. After, during many operating moments, the upper filter cover assembly 66 is arranged horizontally as shown in Figures 10 and 22. Also, as shown in Figure 22, a surrounding insulation coating of transparent plastic material 84, is secured through the lower portions 86 of the upper filter cover assembly 66, for directing clean air 34 downwards and through an attached support work tray 88, which has multiple separate air passages 90.

As illustrated in Figure 20, an enlarged upper filter cover housing assembly 94 is normally rectangular, with its horizontal axis being longer than its transverse axis. When an elongated upper filter cover housing assembly 94 is installed, as shown in FIG. 12, counterweights 96 are placed in a weight compartment 98 of the lower hollow housing 50 of this adjusently directed clean air supply assembly 30. At all times, as illustrated in Figures 1 to 10 and Figure 22, the lower rotary support assembly 74 is disposed near the floor-to-ground level 40, to pass under many obstructions. There are four horizontally extended limbs 100, each having at its ends 102, a hinged, tilting handle 104. This arrangement of the rotatable support assembly 74, together with the use, as necessary, of the counterweights 96, ensures total stability of this clean air supply assembly 30, during its clean air operations, and during its moments of movement and storage.

Lower Hollow Housing The lower hollow housing 50 of this clean air supply assembly 30, which is supported on the lower rotary support assembly 74, serves as a lower hollow body plenum 108 for receiving, near the floor or at ground level 40, horizontally flowing air 38 through a sharp aperture of front inlet radius 110 thereof, and to discharge into a lower hollow housing outlet 112 at its top 114, vertically flowing air 116, as shown in Figure 2. This housing 50 also serves as a support for: the front pre-filter assembly 48; an interior activated air movement assembly 52; and a hollow tower housing 56, which serves as a plenum 118 for receiving air flowing through the outlet 112 in the upper portion 114 of this lower housing 50. Preferably, as illustrated in Figure 11, this housing lower recess 50 is made of two molded plastic housings, one being the central hollow housing 122 for receiving, positioning and maintaining the front prefilter assembly 48, and the other being the lower rear hollow housing 124 for receiving, placing and maintaining the assembly. in motion of inner driven air 52. Also the rear part 126 of this rear housing 124 receives and maintains the electrical components, such as the electrical receptacle 128 and the electric cord receiving panel 130 with the upper and lower surrounding electric cord supports respective, 132, 134.

Front Prefilter Assembly The front prefilter assembly 48, which is supported on the central hollow housing 122 of the lower hollow housing 50, to receive the inlet horizontally flowing air 38, as shown in Figure 11, has: a pre-filter door housing 138 with separate consumption blinds 140; an activated carbon prefilter 142 fitted within the door housing of the prefilter 138; a prefilter retaining spring 144 for holding the activated carbon prefilter 142 within the prefilter door housing 138; an air consumption baffle and sound baffle 146 placed on the front portion 122 just above the front inlet opening 110 to ensure a more uniform flow of inlet air through an increased area of the activated carbon prefilter 142; an integral transverse bottom hinge action flange 148 for insertable in a lower transverse flange 150 on the central portion 122 of the lower hollow housing 50, as shown in Figures 12 and 12A. In this way, the prefilter door housing 138 is supported in its lower part; and then in the upper part of the prefilter door housing 138, multiple separate compression clamp assemblies 152 are used to complete the installation of the prefilter door housing 138.

Internal Powered Air Movement Assembly The movement of air through this clean air supply assembly 30 occurs when the interior driven air movement assembly (blower / motor) 52 is operating. This air movement assembly 52 is secured to the rear housing 124 of the lower hollow housing 50, as shown in Figures 12 and 13. A mounting structure 156, together with fasteners, not shown, is used to secure in a non-rotating manner both an electric motor arrow 158 and an armature 160, in turn secured to this arrow 158. Then, a rearwardly inclined impeller 162 is rotatably positioned around the electric motor shaft 158, and an electric coiled field 164 is secured to this impeller 162. When electric power is applied to the respective armature 160 and field 164, the backward-leaning impeller 162 is rotated at revolutions per minute selected by the operator, to move the air through this clean air supply assembly 30 Hollow Tower Housing The prefiltered air 54, after exiting the rearwardly inclined impeller 162, moves upwardly through the lower hollow housing outlet 112 in the upper portion 114 of the lower hollow housing 50 to enter the hollow tower housing 56. In the upper part 114 of the lower hollow housing 50, a receiving structure 168 is formed to receive and support, in part, the hollow tower housing 56. Preferably, this hollow tower housing 56 is formed on the assembly of a front housing 170 and a rear housing 172, as shown in Figure 11. After assembling and placing, in part, in the reception structure 168, the tower housing 56 serves: as a plenum 118, as shown in FIG. Figure 12, to guide the upward flow 116 of the prefiltered air 54; as a front control panel receiving structure 176; as a desirably receiving structure 178 for positioning the height adjustable telescopic tube 56 during its ascending and descending and rotational movements; as a clamping assembly receiving structure 180, as shown in Figure 21, having a stop tab reception hole 181 and, optionally, as an electrically operated lifting and reduction assembly receiving structure 182, as shown in Figures 11 and 12. To facilitate relative movement between the height adjustable telescopic structural tube 58 and the hollow tower housing 56, strips of separate vertical interior support material 240 are mounted, such as ultra high molecular weight plastic, vertically on the back and both sides, in the hollow tower housing 56, below the ring seal in the shape of or air 234, which can be placed in the receiving groove in the shape of o 236, as shown in Figure 21. In addition, a band of upper horizontal inner edge of ultra high molecular weight plastic, to form a surface of horizontal interior support 239, is secured to the upper part of the hollow tower housing 56 to provide a complete upper circumferential support surface 239.

Adjustable Fitting Sub-Assembly An adjustable fitment subassembly 184 has, in the manual lift mode, not shown, a holding brake assembly 188 positioned in the holding assembly receiving frame 180 of the hollow housing of towers 56, as illustrated in Figures 11 and 21. This fastening assembly 188 has an adjustable circumferential fastening ring 190 with fins 191 for inserting through fin receiving hole 181. An inner lining material of fastening ring 193, which is used to provide both a surface with sliding capabilities when not clamped, and when clamped closes the telescopic structural tube 58 without undue pressure on the tube structure. An adjustable rocker clamp assembly 192 having: a rocker lever operated by cams 194 with aligned holes 199; a threaded arrow 196, passing through the tower arrow reception hole 201 of the housing 56 and hole 197 of the fins 191; a pivot pin connector 198 with a hole 195 for passing through this threaded arrow of hole 196; passing through aligned holes 199 of similar diameter on the lever 194 for attaching the lever 194 to the arrow 196 and a length adjustment notch 200, operated to securely fasten the adjustable circumferential clamping ring 190, around the structure tube telescopically adjustable height 58, in one of the many selectable height positions, which in turn places the upper filter cover assembly 66 in its corresponding selectable height position.

The adjustable positioning subassembly 184 has, in the electric powered lifting assembly 204 or its mode 204, as illustrated in Figures 11, 14, 15 and 16: a power lifting housing 206 positioned in an assembly receiving structure. electrically operated lifting and reduction 184 of the hollow tower housing 56; and an electric lift motor 208 secured to the energy housing 206; the energy housing is secured to the hollow front tower housing 56 with the mounting bracket 207; a drive arrow gear assembly 210 is secured to the energy housing 206 and connected to the electric motor 208; a straight drive screw arrow 212 secured to the arrow gear assembly 210 through a machined coupler hub 211; a support drive arrow bushing 214 secured to the hollow tower housing 56 to receive the straight drive screw arrow 212, at its top; a support guide block 216 having a threaded center hole 218, which in this way receives the straight drive screw arrow 212 and also has a restricted input arched receiving channel 220 to receive a lower section of the structure tube telescopically adjustable height 58, so that in this way this tube 58 is not raised free of its placement in the hollow tower housing 56; a straight guide channel of the torsion support 224, positioned within the hollow tower housing 56 to guide the upward and downward movement of the support guide block 216, while preventing its rotation. When the electric lift motor 208 is operating and the straight drive screw arrow 212 is then rotated, the support guide block 216, depending on the rotation of the arrow 212, will raise or lower the height adjustable telescopic structural tube. 58 and consequently, either raise or lower the upper filter cover assembly 66. The support guide block has a captive tube receiving channel 220 having a tube containment lip 222, which locks this captive action with the structural tube containment groove 233 of the telescopic structural tube 58, as illustrated in Figure 15, to securely maintain the structural tube 58 to the support guide block 216. In a mode 226 of the clean air supply assembly 30, illustrated in Figure 11, the adjustable positioning subassembly 184 includes both the lift stop fastener assembly 188 and the electrically actuated lifting assembly 204. Each of these assemblies 188 and 204 are used independently, or are used together to maintain the height adjustable telescopic structure tube 58 at a selectable height, and in this manner to maintain the upper filter cover assembly 66 at a selectable height.

Adjustable Height Telescopiable Structure Pipe The height adjustable telescopic structural tube 58 as shown in Figures 11 and 12 serves as an adjustable height plenum 230 for receiving the prefiltered air 54 exiting the hollow tower housing 56 and its plenum 118 and directs this air upwards while being movably supported by the hollow tower housing 56, for ascending and descending adjustments and also for partial rotational adjustments. This telescopic structure tube 58 also serves as a support, both for an inclination adjustment support 62, which is used to move, stop and exactly hold a filter cover assembly 66, as well as for a self-sealing bellows 60 surrounding the tilt adjustment assembly 62. In order to maintain an air seal between this height adjustable telescopic structure tube 58 and the hollow tower housing 56, an air seal o-ring 234 is placed in a receiving slot 236 which is formed in the hollow tower housing 56 near its upper part as shown in Figures 11, 12 and 21.

The Tilt Adjustment Assembly Utilizing Left and Right Friction Clutch Placement Assemblies The tilt adjustment assembly 62 is mounted on the height adjustable telescopic structural tube 58, as illustrated in Figures 11 and 17. This assembly 62 it is used when the position of the final filter cover assembly 66 is moved to angularly modify the final filter output direction of the clean air flow 34 or to bend the final filter cover assembly 66, for example, in the position of storage or transportation 78 as shown in Figure 7. At that time, this tilt adjustment assembly 62 is used during exact positioning and support of the upper filter cover assembly 66 without the use of any mechanical closure device. In its preferred embodiment, as shown in Figure 17, there are two subassemblies 244 and 246, referred to as left and right friction clutch positioning assemblies 244, 146. These allow a balanced rigid structural support arching operation. Due to the use of these two separate friction clutch positioning assemblies 244, 246 placed on the sides of the air flow plenum, there is minimal obstruction of air flow. If one of the friction clutch subassemblies 244, 246 undergoes any reduction in bearing capacity, each is sufficiently independent of the other to provide some safety in tilting operations. In the perspective view, which is also a partial exploded view of Figure 17, a subassembly 244 is shown assembled, and the other subassembly 246 is shown with its components separated, ie, exploded, to illustrate the most clearly and its disposition. With respect to the components of the tilt adjustment assembly 62 as shown in Figure 17, these are: Vertical, chamfered, separate support arms 248 and 250, which are permanently mounted to the lower circular hinge bracket 242, which has holding holes 252 • 5 to be fixed, with fasteners not shown, to the corresponding tube holes 254 in the telescopic structural tube 58; Assembled together are: the chamfered vertical support arms 248 and 250, each having alignment holes 256 easily unobserved; both the assemblies of full adjustable friction fitting left as rights • 44 and 246; together with the pivot bracket 260 located centrally. All are held in place by passing a bolt 258 through its entire resulting combination structure. Bolt 258, which serves as the pivot shaft is also referred to as a main pivot bolt 258. It extends through the left lateral friction assembly 244 with the internal support housing 281, then through the pivot bracket 260 and then through the right side friction assembly 246 with another internal support bushing 281. Next, the pin 258 is tightened using the self-locking notch 290 with appropriate flat compression washers 272 and compression lids 274. This clamping friction extends the load across the entire face of the fiber friction plates 262 to increase the capacity of the friction plates 262. load support of these plates fiber friction 262 with the steel notch plate assemblies 264. The convex, convex spring washers 278 provide tension to the friction inrush assemblies 244 and 246, when the self-locking notch 290, which is supported against the external compression flat washer 272 is tightened and in this way the convex spring washers 278 are then flattened. This allows the tension of the convex spring washers 278 to maintain a constant tension during any wear on the friction inlet assemblies 244, 246 through use. The convex spring washers 278 are compressed when they are in contact with the external compression cap 274, on one side and are in contact with the internal compression flat washer 280 on the other side. The total axial compression force or load, through the washers 278, is spread to load all surfaces of each respective friction clutch subassembly 244, 246, is fitted around the main bolt shaft 258. The spring washers convex 278 are positioned around the bolt shaft 268 on the respective sides of the entire array of alternating separating fiber friction plates 262 and steel friction plates 264. The selected portion of the counterbalanced force or the force of pivotal lifting load required to hold the upper filter cover assembly 66 in place at any desired angle 75 for work or storage, is transferred from the lower mounting arm brackets 248 and 250, through the sub-assembly friction 244 and 246, towards the upper pivot bracket 260, through the use also of the grooves 284, machined in the plates 264 steel grooved friction plates, which intercept the pivot plate bracket receptacle surfaces 285 of the upper pivot bracket 290 to in turn transfer the holding capacity directly to the upper filter cover housing 94. Also attached to the chamfered vertical support arms 248 and 250 in their mounting holes 282 are the torsion toothed springs assembly 268 using mandrels 276, which are secured with fasteners 267 and washers 286 for anchoring the central coil portion 268 of the assembly. toothed torsion springs 268. The torsion toothed spring assemblies 268 each have an arm 266 and each arm 266 has a free running roller 265 at each end 270 thereof, which with pressure by the torsion spring is fixed in the corresponding dimensioned notches 263 of the steel friction plates 264 to create an additional force to assist the closure instead, the filter cover assembly 60, together with the force created by alternating steel plates 264 and fiber 262. When these forces are applied, the friction of the heating-free plates that rotate with each other is created to provide all the desired frictional forces.

Alternative and / or Supplement Tilt Adjustment Assemblies Using a Counterbalance Voltage Spring Assembly In addition to the holding capacity of the friction inrush subassemblies 244, 246, the filter head assembly or top filter assembly 66 is also held in place in any desired angled position 75, without any additional mechanical closing device, incorporating an upper counterbalance tension spring assembly 288. This assembly utilizes a higher tension spring connecting wire 298 and tension springs 296. The cable assembly 288, which is attached at one end to the bottom of the telescopic structural tube 58 with the lower tension spring mounting fastener 292, which is secured with fasteners 267, washer 293 and secured with a self-locking notch 194. tension 296 extend upwardly towards the rear interior of tube 58, thereby minimizing air obstruction and attaching to cable 298. This cable 298 then passes over and above a cable pulley roller or wheel 300, which is mounted on the rear side of the lower hinge mounting bracket 242, using the pulley wheel mounting bracket 302. The cable 298 is then connected to the upper counterweight cover mounting anchor pin 304, which is secured to the rigid rigid joint strut of pivot bracket 261 which is located in the air flow inlet of the upper filter cover assembly 66. When the tension cable 298 is thus sure, this has passed over the upper center of the pivot bracket 260. Therefore, when the upper final or upper filter assembly 66 is to be placed in the stored or folded position 78 shown in Figure 7, during the movement at least 90 ° of the upper assembly 66, the cable 298 is subsequently moved in a roll-up manner, thus not increasing the tension of the spring, while allowing the upper filter upper assembly 66 to remain in the fixed down position shown in FIG. Figure 7. When the upper upper filter assembly is completely folded into a transport storage position, the weight of this upper filter cover assembly 66 deviates the tension of the counterweight springs 296. The portions of the cable 298 are then an out-of-center positioning wire position passing over pivot arm bracket 260.

The Operation of the Clean Air Supply Assembly Listen and Feel the Tilt Adjustments being Made The ratchet rollers 265, locked in their lock on the respective spring ends 270 of the torsion spring assembly * 268, provide the operator, when adjusting the adjusting assembly inclination 62, the ability to hear and feel the ratchet adjustments that are being made, since these ratchet rollers 265 create sounds and forces as they move in and out of the ratchet notches 263.

Adjust the Friction Resistance Amount Created in the Tilt Adjustment Assembly. Full Hinge Assembly During the union of the tilt adjustment assembly 62, the locking notch 290 is positioned on the bolt arrow 258, also referred to as the main pivot bolt 258 at its threaded end 258. When the notch 290 is tightened , the right positioning assembly 246 is held together, as is the left positioning assembly 244. The degree of clamping of this notch 290 determines the amount of frictional resistance created through the tilt adjustment assembly 62, then , when the left and right positioning assemblies 244, 246 have thus been assembled and tightened, the pivot bracket 260 in this manner is ready to be adjusted in a controlled manner from a vertical position, through all the selected angular positions. . In this way, consequently, the fi lter cover assembly 66 thereof, to which the pivot bracket 260 is secured, is also ready to be controllably placed through similar selected angular positions 75 between any of the operational positions, comb is shown in Figures 8, 9 and 10, and for the mobile and / or stored position shown in Figure 7.

Was it tile to Se llar v Guide the Fluio del Aire P? refiltered from the Tube Portable Height-Adjustable Phone Cross-section Around the 1-way Adjustment Assembly v F lacia the Filter Cover Assembly Upper As indicated in Figure 11, the self-sealing bellows 60 is positioned to encircle the tilt adjustment assembly 62 and portions of the upper counterweight and friction spring assembly 288, while providing an adequate clearance for the pre-filtered air flow 54 which comes from the height adjustable telescopic structural tube 58 and which flows past these assemblies 62 and 288, and further towards the upper filter cover assembly 66, at each end of the bellows 60, a respective seal is maintained through of an integral circumferential lip 238 or end 238, which is sealingly seated with the respective receiving grooves 231, 232 both on the telescopic structural tube 58 and the upper cover assembly 66. This sealing is very effective since the internal diameter in each end 238 of the bellows is slightly undersized. When each end 238, i.e. the integrated circumferential lip 238 is installed and thus extended on the corresponding upper filter head housing 326 with the corresponding slot 232 and the adjustable interconnect tube 58 with its corresponding slot 231, thereby eliminating the need to use any additional restraint.

Cover Assembly < Filt ro S upior srior to receive air from Prefilter that exits the Fuel Filter from Auto to finally Filter the Air and then Directs the Filter and Completes the Filter in a Flow Direction Determined For the Arched Position of this Upper Filter Cover Assembly The upper filter cover assembly 66 is secured in an inclined manner to the height adjustable telescopic tube 58, also referred to as the telescopic structural tube assembly 58, using the tilt adjustment assembly 62. The tube assembly 58 having the tube rotational limit pin 346, as shown in Figure 16, provides a controlled stopping rotation position through 345 ° of arcuate positioning of this upper filter cover assembly 66, with respect to a horizontal plane. This upper filter upper assembly 66, as shown in Figure 11, has a top cover housing 326 contoured and sized to receive the prefiltered air 54 that arrives through the self-sealing bellows 60, together with a partial cover bottom 330 the which likewise receives the prefiltered air 54. These cover portions 326 and 330 are permanently joined together which serves to direct all the pre-filtered air 54 through the "D" shaped inlet neck 329, as uniformly as possible , through an efficiency particle recovery filter 68, also briefly referred to as a high efficiency particle reclaimer air filter, serving as a filter 68 and to form the final filter equalization distribution plenum 333. The full 33, wherein the prefiltered air 54 has its matched flow is of a size and shape that allows the total air pressure to equalize before passing through. The high efficiency particle recovery air filter 68, which maintains an airflow within plus or minus 10% across the entire face of the high efficiency particle recovery air filter 68 by filtering the air into the flow of air. final clean air 34. The internal air distribution and baffle deflectors 332 are optimally and selectively positioned and secured within the upper cover assembly area 328 to further ensure even distribution of the prefiltered air 54 to and through the recirculating air filter High Efficiency Particle 68. To protect to protect and support the final high efficiency particle recovery air filter 68, a grid 334 is placed downstream to this final filter 68. Preferably, the structure of the 334 grid only occupies 40% of its total cross-sectional area, leaving 60% for clean air flow 34. This size and structure of the grid 3 34 creates the last turbulence of the clean air flow 34, while maintaining the security required to prevent a person's finger or fingers from touching the final filter 68, which can destroy the integrity of the final filter 68. This grid 334, made of perforated metal, has an electrical grounding conductor 335, as indicated in Figure 23, extending to a floor, not shown, through ground wires incorporated in this clean air supply assembly 30. This ground system eliminates the possibility of any static electric charge, which could have developed during the movement of the prefiltered travel air 54 and the final filtered clean air flow 34 through the clean air supply assembly 30 of carrying a static electric charge, when exiting the upper filter cover assembly 66. The grid 334 is the last component where the clean air flow 34 passes before leaving this clean air supply assembly 30. If said static charge. Even slightly of one, remain, could create problems, when leaving around vulnerable electronic objects. Still, a very low static electric charge can destroy electronic chips or other objects, seriously interfering with the production of quality electronic components. A joint is provided in this clean air supply assembly 30, not shown, to receive in the form of jump strips of operator static strip and cords to ground used during manufacturing processes, to integrate the ground connection of this system of Clean air supply 30 for the circuit connected to the complete ground of the entire work area. To maintain the grate 334 and a high efficiency particle retriever final air filter 68 in place, a filter cover bevel assembly 336 is secured to the upper cover housing 326, while partially surrounding the final filter 68 and the grid 334. The preferred way of securing the filter cover bezel 336 to the upper cover assembly 66 utilizes a transverse receiving channel 340, or flange 340, integrally formed on the lower partial cover bottom 330, which is pendulously attached to the housing of upper cover filter 326, at the trailing edge away from the front face of the filter 68, which receives a rearwardly-fitting, transverse reception channel of complementary fit 348, or flange 348, also referred to as an extension of the rear attachment lip upper filter cover bezel 348, placing the upper filter cover bevel assembly 336, thus creating a goz-type position ne of the filter bezel assembly 336 on the cover bottom 330, also referred to as the lower air consumption cover housing 330. Then, when this filter cover bevel assembly is pivoted in place, fasteners are used. screw 341 to removably terminate the assembly of this cover bevel 326 and the partial cover anchor 330 and thereby complete the entire assembly of the upper filter cover assembly 66. During this assembly of the upper filter cover assembly 66, a sealing gasket 338 on the upstream edges and corners of the final filter 68, which is an efficient particle recovery air filter or one equal to that shown in Figures 11, 22, 23, 23A, and 24, and compressed in its sealant receptacle 339 The Preferred Confi cted Material and Installation of the Sealing Board, Preco Preco locada Ali About the Air Filter High Efficiency Particle Retriever: Ensuring that the Air Flow goes through the filter. Figure 23 illustrates the partial cross-sectional view of the disassembled upper filter cover assembly 66 having upper cover assembly 326: the high efficiency particle recovery air filter 68; sealing seal 338; the high efficiency particle recovery air filter retainer frame 331; the filter cover bezel assembly 336. In Figure 23A, a partially exploded cross-sectional area prior to assembly of the components, is illustrated, by centering over the presetting of the sealing gasket 338. After assembly, the position of the gasket 338 is illustrated in Figure 24, since the assemblies are then secured in bolt positions. The upper filter cover assembly 66 or upper cover assembly 94 has the sealing gasket receptacle 339, molded in the upper cover housing 326, to accept the sealing gasket 338 positioned around the filter 68. This sealing gasket receptacle 339 High efficiency particle reclaimer air filter is configured to allow three positions of its surfaces 411, 413 and 415 to coincide with the surface positions of the sealing gasket 338 at sites 410, 412 and 414, thus providing three sites of Separate sealing for the high efficiency particle recovery air filter 68 with a suitable sealing function at each circumferential sealing site. This level of safety of the high efficiency particle reclaimer air filter seal is required and preferred due to the diversified types of clean air flow 34 in work area applications, where this clean air supply assembly 30 most likely will be used, and filter 68 will be easily changed with absolute frequency. The sealing gasket material is an extrusion made with skin-like outer surfaces around the entire outer circumferential shape, thus including the sealing surface sites 410, 412 and 414 and the sites where the sealing gasket 338 makes contact with the surfaces Seal Filter Seal 406 and 408, as shown in Figure 23A. This seal joint 338 is preferably attached to the outer inlet edge of each HEPA / ULPA 68 filter. The seal gasket 338 is disposed and installed in a final contiguous part around the four outer entrance edges of the high particle recovery air filter. Efficiency 68 since the two ends of the sealing gasket material are permanently bonded to form a safety filter seal union. The interior of the sealing gasket 338 is a smooth, interleaved cell foam design, thus allowing reduced compression pressures to be applied during clamping in place of the final filter 68, when the sealing gasket 338 is placed to create a seal of positive absolute safety air 338 without distorting the upper filter cover housing 326. This sealing gasket 338 is preferably fixed at the factory in each high efficiency particle recovery air filter 68 to facilitate filter replacement operations. Since the high efficiency particle recovery air filter 68 is first placed in the receptacle 339 of the high efficiency particle reclaimer air filter seal, the outer sides of the seal gasket at site 414 first contact the angled alignment surface 416 den upper filter cover assembly 66 and 94, which guides the high efficiency particle recovery air filter attached 68 to the correct position for compression and sealing phases to secure the air recovery filter united high efficiency particle 68. During the next portion of the bonded high efficiency particle recovery air filter 68 entering the receptacle, the outer side of the sealing gasket 338 slides along the angled receptacle alignment surface 416 towards the vertical side wall sealing surface 415, which is higher than the uncompressed depth of the gasket non-compressed ltro 338 to provide an assured surface contact. Then, when the filter seal board 338 is slightly compressed, an initial seal is created around the outer perimeter of the bonded high efficiency particle recovery air filter 68. In the final phase of the particle recovery air filter insertion process united efficiency air 68, in the upward direction, the high efficiency air particle reclaimer air filter junction joint 338 at its surface location 410 is compressed when pressure is applied, during clamping, to the filter frame assembly 331 in the same upward direction, since this frame assembly 331 is tightly fixed around the four outer output edges and the four side faces of the efficiency particle recovery air filter 68. Since the frame assembly 331 moves upwards, the pressure is applied to the sealing joint 338, which by its design, compresses and expands the filling of the receptacle cavity 339 through the receptacle surface 411. Since the sealing joint surface location 410 is being compressed, the joint material expands towards the outer corner 413 of the receptacle 339 and fills the corner portion 413 of the cavity or receptacle 339. When the sealing gasket 338 is in the final compression stage, the last portion of the sealing gasket expands more tightly against the side wall 415 of the receptacle 339 of the upper cover housing 326, thus creating the third location or sealing position of the gasket sealing system providing three sealing sites creating what is termed as safety seal redundancy. The inner wall surface 418 of the receptacle 339 in the upper cover housing 326 becomes the retainer for any potential retainer frame assembly 331 that exhibits the deformation of the high efficiency particle particle retriever air filter 68 due, in part, possibly because the long filter frame side walls in the assembly 331 without welding, possibly distort and cause a break in the total sealing function of the filter seal board 338. The filter retainer frame assembly 331 is Make it so that it fits tightly around and keep the high efficiency particle recovery air filter 68 centrally secured. It also provides a filter retaining structure 337 for permanently attaching the perforated security static collection grille 334 and thus stiffening the filter retaining frame assembly 331. The filter retaining frame assembly 331 has about 20 cm. the outer part, a number of compression latches 342 which are connected to the corresponding locking hooks 334, which are installed on the upper cover housing 326. When this combination of the filter frame assembly 331 is completely installed and secured around of the four sides of the filter, then the sealing system of the high efficiency particle recovery air filter 68 is completed.

The Fixture Fixture Bevel Housing Provides an easy Fi Itro Replacement Access and Lim piece. Coating v Assembly Light. The filter cover bezel assembly 336, when attached to the air outlet side of the upper filter cover assembly 66 and 94, creates a complete external surface lining to facilitate cleaning of contamination, provides a receptacle retention housing lightweight and an external surface for the cover binding strip. This filter cover bezel assembly 336 is attached at its front and rear ends only providing • 5 so an easy filter replacement. At the rear of the filter bevel assembly 336 is an extension of the integral lip 348, which extends outwardly. During installation with the upper filter cover housing 326, this lip locks with the receptacle groove 340 in the consumer housing. lower cover 330, which has previously been permanently attached to the upper filter cover housing 326. The front part of the filter cover bevel assembly 336 is then rotated upward towards the front of the upper housing housing 326 and It is secured with two or more screw fasteners of front bezel 341, depending on the size of the upper cover assembly 66 and 94.

The Many Positions of the Filter Head Assembly The upper filter cover assembly 66 is then ready for its angular adjustment 75, using the tilt adjustment assembly 62 for controlled movement, capable of 90 ° stopping, from vertical to horizontal during the clean air supply functions. Then, for handling and storage, and some other operations, the upper filter cover assembly 66 undergoes a continuous angular adjustment from the horizontal position, the clean air flow 34 downwards, to an ascending vertical position with the clean air flow 34 horizontally, thus completing the angular adjustment of a total of 180 °. Also the upper filter cover assembly 66 is • 5 raised and lowered using the ascending and descending positioning of the height adjustable telescopic structural tube 58 relative to the hollow housing of support tower 56. Also by rotating this tube 58 relative to the hollow housing of towers 56, within certain limits by the rotational limit pin of tube 346, also referred to as the rotational limit pin of tube 346, located within tube 58, filter cover assembly 66 can rotate about a vertical axis, as shown by the arrows of motion in Figures 2, 3 , 4 and 22 and the limit pin 346 in Figure 16. The rotational limit pin 346 connects a respective side of the support guide block 216 to prevent a complete revolution, in any direction, of the tube 58 relative to the hollow tower housing 56 as illustrated in Figure 16. This limited articulated movement ensures that no system of circuit will be twisted. 20 A Dependent Plastic Coating Supported by the Upper Filter Cover Assembly When it is necessary to remove potentially contaminated surrounding air currents 44, which may otherwise cause In case of undesired mixing with the clean air flow 34, a dependent plastic coating 84 is secured around the cover bevel assembly 336 of the upper filter cover assembly 68 / upper filter cover housing assembly 94 as shown. in Figure 22, with respect to the upper filter cover assembly 66. The outer surface of the filter cover bevel assembly 336 provides an external surface for securing a Sailboat-type hook strap 394, to be locked with a plastic strip. closing loop Sailboat 395, which is secured to a plastic working coating 84 of any size and shape that is required. As shown in Figure 22, in plastic coating 84 may preferably be sized to encircle a work support tray 88, or other device such as a hospital bed, and extend below this tray 88 or other device, thus eliminating any interference with air currents. external 398 of the surrounding air 44 that occurs outside of the plastic coating 84. In this manner, the clean air flow 34 exiting the high efficiency particle recovery air filter 68, remains so, as it flows through and beyond of the specific site 70, such as in the tray 88 or other device, with respect to the associated area or volume where the clean air flow 34 is specified. The plastic coating 84 is also referred to as a curtain or cover. This plastic coating 84 can also be used when no tray or other support is used.

When a complete surrounding plastic coating 84 is used to avoid any interference with external air currents 398, then the clean air flow 34 exiting the upper filter cover assembly 66 continues to be certifiable clean air within the surrounding plastic coating 84 When the upper filter cover assembly 66 is positioned to extend outwards, as far as possible from the height adjustable telescopic structural tube 58 and the plastic coating 84 extends below the level of the floor 40, so that the air certifiable clean 34 continues to flow absolutely at the 40th floor level.

Circuits Components, Electric Microproces, Electronics and Selective Controls With respect to the embodiments of this clean air supply assembly 30, various arrangements of circuits, components, electrical, electronic and selective controls are used. In a block diagram 361, in Figure 18 a very complete arrangement is illustrated, centered around the use of a microproce control unit 350. Most operators throughout the time of operation will use the front panel controls 352 and presentations 354 located on the front of the hollow tower housing 56 as illustrated in Figures 1, 11 and 22, and as shown in this Figure 18. However, there is also a remote control and presentations 356 and a remote control and 358 additional presentations. In addition, an external computer system 360 is made available. The use of an AC 362 power source of an alternating current preferably of 100 and 10 volts, i.e. electrical power of 110 AC, the filter by an AC line filter 364, the clean air supply assembly 30, in a very complete mode is operated as the front panel controls 352 provide signals to the microproce control unit 350, which in turn directs the signal through a circuit system low voltage direct current 366 to an AC power distribution unit and digital switching 368. These signals are selectively used to: switch the alternating current power on and off, 370; for controlling the motor speed 372 of the blower motor 374; to control the elevation and reduction direction 376 of the electric lifting and reduction motor 208 when it is used. The filtered alternating current power 378 is directed through a circuit system 380 of 110 AC to the AC power distribution and digital switching unit 368, and selectively beyond the blower motor 374 and to the electric motor 208 used for raising and lowering the height-adjustable telescopic structural tube 58, thereby raising and lowering the upper filter cover assembly 66. The AC switching and digital switching power block 368 also serves as a lamp lighting system 386 low-on-off control signal on / off 389 of the microproce control unit 350 which controls the switched AC power to a low-voltage power supply of illumination 381. The microproce unit 350 receives the current power Low voltage AC 369 of the AC power distribution unit and digital switching 368. The microproce unit 350 ti It has an internal circuit system to convert the low-voltage AC power to all the low-voltage DC power needed to operate and control the total electrical system used in the clean air supply assembly. the power line AC 362 is directed to the power distribution block AC 368, the operation of this AC power distribution block and digital switching 368 is controlled by the microproce control unit 350 which sends DC signals through circuits 366. Direct current is DC, the signals direct the AC power distribution block 368 to supply low voltage electrical DC power to the lighting system through the supply 381. The DC power switched through the circuit system 366 is directed to a light buffer unit 382 which controls the intensity of the lamp 390 in discrete steps controlled by digital switched commands received through the circuit system 366 of the microprocessor control unit 350. The digitally controlled DC output of the light-absorbing system 382 supplies power to the lighting system 386 of the optional cover lights 388 as shown in Figures 1, 2, 3, 6 and 20, located at the respective corners of the upper filter cover assemblies 66 and 94. The lights 388 direct the illumination in the same direction as the direction of clean air flow 34 as shown in Figure 20. The electrical connections in the lighting circuit The downward direction to the lights 388 are made through a lower electric spring copper fastener assembly 385 and its corresponding copper contact plate assembly 384 as shown in Figure 19. This electrical contact system automatically disconnects the Low voltage DC power adjustable to 388 lights, when the upper filter cover bezel 336 is opened by the operator for the replacement of high efficiency particle recovery air filter 68. Copper spring fastener assemblies 385 are mounted on an electrical contact mounting plate 345 that is securely fastened to the filter cover bezel assemblies 336. The matching electric copper contact plate assemblies 384 are securely fastened to the upper cover assembly 326 within small depressions in the molded upper cover assembly 326 and electric contacts are welded, not shown, respectively. amines to its backside, not shown, and are sealed in place using an epoxy-containing material, not shown. This epoxy material safely holds those electrical contacts and also the electrical contact plates 384 in place and also provides a complete air seal between these electrical contact plate assemblies 384 and the upper cover housing 326.

Other References to the Components and Operation of the Specific Modes of the Clean Air Supply Assemblies The backward inclined impeller 162 through the electric motor 374 thereof, also referred to as the blower motor 374, is operated to preferably move to a 200 feet per minute square foot filter air clean filter area through one mode of this 330 clean air supply assembly. When using, for example, a high particle recovery air filter efficiency of 60.96 x 60.96 cm, the clean air is directed in a selected direction, which is chosen from many available directions with a selectable face velocity, not exceeding 200 fpm, to thereby produce a zone or zone of ultra-clean air or site volume 32, slightly narrow, while extending to approximately 1.82 m, when no coating 84 is used. The collection grid Safety static 334 of the upper filter cover assembly 66 is electrically connected through a conductor 335, shown in Figure 23, to a ground terminal, not shown, to reduce the potential for any development of static electric charge. Low voltage bearing controls are used with respect to the front panel controls 352 to reduce the possibility of receiving a shock of static electric charge and facilitate the easy sterilization of this clean air supply assembly 30. When the housing assembly of Enlarged upper filter cover 94 is used, clean air velocities are slightly reduced, while clean air flows through larger cross filter areas 68. When lower noise levels are desired and / or delicate operations are being taken, the electric blower motor 374 is operated at a lower speed, usually being adjusted downward to produce only 200 cfm of the prefiltered air 54 leaving the face final filter 68. When the clean air supply assembly 30 is arranged, as shown in Figure 10, with the upper filter cover assembly 66, positioned horizontally, to direct the clean air 34 directly downward and further Beyond a work table 399, or similar device, the flow of clean air remains laminar. Also, the quality of the cleaner air flow remains very clean where the air 38 is taken in a horizontal manner towards the front prefilter assembly 48, above the floor level or floor 40 to pass through the intake port of the air. front air 110 of the lower hollow housing 50 after being pre-filtered as shown in Figure 11. Any dependent plastic coating 84 is disposed around an upper filter cover assembly 66 / upper filter cover housing assembly 94, the Clean air flow 34, under positive pressure, is improved in quality and in effective volume, due to the elimination of another type of interference from external air currents 398. Also when a plastic coating 84 is used, it is it wraps over a portion of a larger piece of equipment, so that the wrapped portion can be worked, surrounded by clean air 34, under reduced pressure, flowing beyond this portion of the equipment that is confined within the coating 84. Also when a plastic coating 84 is used, while being arranged at an angle to direct clean air 34 diagonally over a work area, the particles are prevented from another way fall on the work area. When the clean air supply assembly 30 has the upper filter cover assembly 66 very high, a standing person can stand on the work table 399 or a work tray 88 or stand on its own assembly frame. Using the rotation of the height adjustable telescopic tube 58, the upper filter cover assembly 66 / upper filter cover housing assembly 94 can be moved in any direction approximately through a 345 ° frame. This exact movement allows the placement of an upper filter cover assembly 66 / filter cover housing assembly 94 on the rear site 400 of the clean air supply assembly 30 to improve air quality in this rear site 400 as shown in FIG. shown in Figure 9. Since the hollow tower housing 56 and the height adjustable telescopic structural tube 58 are closer to this rear site 400, when an upper filter cover assembly 66 / upper filter cover housing assembly 94 is thus placed in this rear site 400, then either of them, 66 or 94, extends further over a given work area in an ultra clean zone 32 located in this rear site 400. A person located in this rear site 400 it experiences a significantly lower operational sound, since internal noises are enormously transmitted through the front prefilter assembly 48, where air surrounds nte 44 is being taken for prefiltration. Preferably, the high intensity lights 388 operated using low voltage energy are arranged to be chamfered slightly inward from the four corners of the filter cover bezel assembly 336, as an optional lighting system 386, thus preventing the creation of many shadows at a specific selected work site 70, wherein the clean air flow 34 is required or specified. The high intensity lighting system 386 also provides means for temporarily attaching colored lenses to the lights 388 which allow certain wavelengths of light to be filtered as desired.

Preferably, when many selections of the overall height are made for relatively short periods, the optional electric power lifting assembly 204, used to move the height adjustable telescopic structural tube 58, upwards or • 5 downwards, it is included in one embodiment of this clean air supply assembly 30. When an activated elevation 204 is not used, an arrow is used, similar to the straight drive screw arrow 212, but not threaded, to guide a support block 216, to turn guiding the height adjustable telescopic structure tube 58, while being maintained within the hollow tower housing 56. With respect to the inner size of the lower hollow housing 50, there is no obstruction in most directions from the movement assembly of inner driven air 52, and essentially its rearwardly inclined impeller 162, for a distance of at least 1.3 times the diameter of the rearwardly inclined impeller 162 and the surrounding open volume and the continuation of an unobstructed flow path of the air that It is leaking. During operations of this clean air supply assembly 20, there is no obstruction of air flow, and the plenums are always pressurized. Also, this lower hollow housing 50 has, in many places as practical, a sound absorbing liner material 402, preferably made of a foam material of plastic with a thickness of 1,905 cm, having a skin type coating to prevent the collection of bacteria. In other places, such as the inner air consumption deflector side 124, a sound damping or sound attenuation cover material 404 is used, which preferably is made of a plastic foam material with a thickness of 0.3175. cm. Also to reduce sound and vibration, rubber or rubber separation vibration joint materials 166 are used when mounting the inner activated air movement assembly 52 in the lower hollow housing 50. The prefilter 142 preferably has a cover made of polyethylene type fiber arranged as a bag, and inside this bag is a hemp material impregnated with carbon.

With respect to electrical wiring, each time a cable enters or leaves an air flow plenum, air sealing rings are installed. When the height adjustable telescopic structural tube 58 moves after the operation of the electric lift motor 208, the electrical circuit includes respective upward and downward path limit sensors. With reference to the support tray 88, it is preferably arranged: to be conveniently removed after the operation of a pin release mechanism, not shown; to be pivoted out of the way; and / or to be installed using a clamping assembly, which surrounds a portion of the hollow tower housing 56.

With respect to all the embodiments of this clean air supply assembly 30, a person using a respective mode has many options of how his components will be arranged and how he will control the speed of clean air supply and how he will direct the air paths. clean towards, around and beyond specific sites 70, where ultra clean air is required.

Claims (58)

1. - A tightly steerable clean air supply assembly, which can pass through doors, rotatably placed, for use in any climate controlled environment, which directs a controlled amount of clean grade air through a tightly fitting top cover assembly oriented, which contains a sealed final filter that filters the air and allows the discharge of air at minimum turbulence creating air velocities for air quality levels, which creates certifiable clean rooms, clean areas, improved recirculated air quality within a given area, where an activity is presented, which requires very clean air by strict specifications, which includes: a) a lower hollow housing that serves as a plenum to receive, near the level of the floor, air that flows horizontally, through an entrance in the front part of the same for discharge, in an outlet in the upper part of it, air flowing vert only, and that also serves as a support for a front pre-filter assembly, an inner powered air movement assembly, a lower rotatable support assembly, and a tower housing, in turn serving as a plenum to receive the air flowing through the outlet in the upper part of this lower hollow housing; b) a front prefilter assembly positioned on the lower hollow housing opposite the inlet thereof to filter the air from the inlet room; c) an internally driven air movement assembly positioned in and supported by the lower hollow housing for expelling air through the prefilter and for re-directing prefiltered air through the outlet of this lower hollow housing, serving as a plenary session; d) a lower rotatable support assembly secured to the lower hollow housing at its bottom; e) a hollow tower housing which serves as a plenum for receiving, guiding and discharging the pre-filtered air flowing through the outlet in the upper part of the lower hollow housing, and which is firmly supported by the lower hollow housing and which also it serves as a support for: a telescopic structural tube, which in turn serves as a plenum for receiving the prefiltered air exiting the hollow tower housing; also for an adjustable positioning subassembly used to maintain the selected telescopic height and any partially rotated position of a telescopic structural tube; and also for an electrical control subassembly used to selectively operate the inner powered air movement assembly; f) a telescopic structural tube that serves as an adjustable height plenum for receiving prefiltered air exiting the hollow tower housing and for directing this air upward, while being movably supported on the tower recess housing for up and down adjustments and partial rotational adjustments, and also serves as a support for both a tilt adjustment assembly, used to move, stop and maintain accurately, an upper filter head assembly, and for a self-sealing bellows surrounding a tilt adjustment assembly; g) an adjustable fitting subassembly used to determine the telescopic height of the telescopic structural tube that serves as an adjustable height plenum and thus serves to change the height and any partially rotated position of a top filter head assembly; h) an electrical control subassembly used to selectively operate the inner powered air movement assembly; i) a tilt adjustment assembly secured in part to the telescopic structural tube also partially secured to a top filter head assembly, and selectively adjusted to move, stop and / or accurately maintain a top filter head assembly; j) a self-sealing bellows, which serves as a plenum, surrounding the tilt adjustment assembly and secured at its lower end to the telescopic structural tube, and arranged to be secured at its upper end to an upper filter head assembly, for guiding the flow of pre-filtered air around the tilt adjustment assembly which is directed towards a top filter head assembly; k) an upper filter head assembly secured to the tilt adjustment assembly and also to the bellows, and having a high efficiency particle recovery filter, to receive prefiltered air from the bellows, and to filter this prefiltered air cleanly , before this finely cleaned air is specifically directed in a desired flow path through a designated volume, where specific clean air is needed.

2. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the upper filter head assembly comprises, in addition to the filter of high efficiency particle recovery joint by joint: a contoured top part to receive the prefiltered air in a 90 ° direction; a frame for the high efficiency particle recovery filter and with the filter partially set on the top of the cover to receive, filter and positively seal the final filter and pass over the prefiltered air; an attached fixed grid fixed to the high efficiency particle recovery filter, which serves to maintain and protect the filter, and to further disperse the flow of the filtered air; a cover bezel fitted around portions of the high efficiency particle recovery filter and its frame and grid and secured to the top of the cover; and a contoured partial cover bottom to receive the prefiltered air that arrives through the bellows and distribute this air towards the upper part of the cover, when this partial cover bottom is secured to the upper part of the cover, and when the self-sealing bellows its upper part is secured to this upper filter head assembly and to the partial cover bottom.

3. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the tilt adjustment assembly comprises, in turn: a) vertical support arms separated, having arrow holes, secured "to the telescopic structural plenum assembly; b) a bolt that serves as an arrow to extend through the arrow holes of the separate vertical support arms; c) a pivot bracket; to rotate about the bolt serving as an arrow, and d) at least one positioning assembly for moving and maintaining the pivot bracket in selected angled positions, comprising, in turn, plates of

• friction of separate fibers arranged along the bolt that serves as an arrow; separate steel friction plates located in the spaces between the separate fiber friction plates and also arranged along the bolt that serves as a

10 arrow, with interfragmented steel friction plates

• with the pivot bracket to rotate with it; a torsion spring having a coil portion thereof fixed around the bolt, serving as an arrow and an extension arm for making contact

15 movable with all the steel friction plates to restrain them as a group, when this group is frictionally opposite to the rotary movement of the pivot bracket; a bushing either to be placed around the bolt, serving as an arrow, or to receive

20 the separate fiber friction plates and the separate steel friction plates; a mandrel to be placed around the bolt, serving as an arrow and being fixed on the coil portion of the torsion spring; concave washers that serve as spring washers

25 conical, fixed around the bushing fixed around the pin, serving as an arrow and placed on the respective sides of the total grouping of the separated fiber friction plates and the separate steel friction plates; compression washers for placement on the bolt, serving as an arrow and one of them is located between the pivot bracket and one of the separate support arms, and the other is located between the concave washer and one of the friction plates of steel separated; a compression cap to be placed on the bolt, serving as an arrow and located adjacent to one of the concave washers; a washer to be placed on the bolt serving as an arrow and located adjacent to the compression cap; a self-locking tension adjustment notch to be placed on the bolt, serving as an arrow and located adjacent to the washer to hold together this tilt adjustment assembly, when assembling it around the bolt, serving as an arrow, has been completed, whereby the pivot bracket is controlled in a controlled manner from a vertical position through selectable angular positions towards a horizontal position.

4. An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 1, wherein the tilt adjustment assembly is disposed in a counterbalanced tension spring assembly. cover, comprising: a) a cable secured at one end to the head assembly

• Top filter and secured to the other end at

5 minus a coil spring; b) a coil spring secured at one end to the cable and secured at the other end to the telescopic tube of adjustable height, at its lower portion; and c) a cable direction change assembly having a cable pulley wheel for receiving and guiding the cable, and a cable pulley mounting bracket that is secured to the height adjustable telescopic structural tube, at its top, and that rotatably supports the cable pulley wheel.

5. An assembly of an air supply that is adjustable, which can be passed through doors, rotatably placed according to claim 1, wherein the moving assembly of inner actuated air comprises, in turn: Mounting structure secured to lower hollow housing 20; b) an electric motor arrow secured to this mounting structure; c) an armature secured to this electric motor shaft; d) a rearwardly inclined impeller rotatably positioned around the electric motor shaft;

e) an electric coil field secured to this impeller to complete an electric motor, which is thus placed inside the impeller tilted backward, and secured to the mounting structure, for rotating the impeller tilted backward to extract the air in an axial fashion and to discharge the air radially, as the air passes through the lower hollow housing.

6. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the front prefilter assembly comprises in turn: a) a filter door housing with consumer blinds; b) a carbon pre-filter fitted within the filter door housing; c) a filter retainer that holds the carbon prefilter inside the filter door housing; and d) a baffle placed within the lower hollow housing for redirecting the air exiting the carbon prefilter around this baffle before entering the inner driven air movement assembly positioned in the lower hollow housing.

7. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the lower rotary support assembly comprises in turn: a) extremities that extend horizontally secured to the lower hollow housing in its bottom; and b) handles secured to and dependent on the extremities at their ends.

8. A clean-air supply assembly that is adjustable, which can pass through doors, rotatably placed according to claim 1, further comprising a surrounding curtain attached to the upper filter head assembly and depending on the same to provide, in effect, a clean room below the filter head assembly.

9. An adjustable air supply assembly, which can be passed through doors, rotatably positioned according to claim 2, further comprising a surrounding curtain attached to the upper part of the cover of the filter head assembly. and that it depends on it to provide, in effect, a clean room below the upper filter head assembly.

10. An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 2, further comprising at least one lighting fixture and its circuit system installed in the upper part of cover to provide illumination below this upper filter head assembly.

11. An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 1, further comprising an electrical power supply cord wrap assembly secured to the lower hollow housing.

12. An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 1, further comprising strips of bearing material disposed at separate sites within the hollow tower housing to provide a supporting surface for the ascending, descending and surrounding movements of the telescopic structural tube.

13. An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 1, further comprising a hand-operated brake and support assembly mounted on the hollow tower housing , in its upper part, used to supplement the adjustable and used positioning subassembly in place of the adjustable positioning subassembly, when moving the telescopic structural tube, which serves as an adjustable height height for another relative site with respect to the hollow housing tower and then hold it in place through the retention force created.

14. A clean air supply assembly that is adjustable, which can pass through doors, rotatably positioned according to claim 1, wherein the lower hollow housing serving as a plenum has an internal volume that is dimensioned to provide a radial volume around the moving internally driven air assembly, which extends the same in any radial direction at least 1.3 times the diameter of the inner driven air movement assembly.

15. An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 1, further comprising

• a rotation limit assembly maintaining the rotation of the telescopic structural tube plenum smaller than 360 ° with respect to movements within the hollow tower housing.

16. A clean air supply assembly that is adjustable, which can be passed through doors, rotatably positioned according to claim 1, wherein the lower hollow housing serving as a plenum has a foam lining material. plastic sound absorption, in turn taking a

• skin type coating to prevent bacteria collection.

17. An adjustable air supply assembly that can pass through doors, rotatably positioned according to claim 6, wherein the baffle has a sound damping covering material.

18. An adjustable air supply assembly that is adjustable, which can pass through doors, rotatably positioned according to claim 6, wherein the carbon prefilter has a polyethylene fiber covering material that serves as a bag and a hemp material impregnated with carbon disposed within this cover material.

19. An adjustable air supply assembly, which can be passed through doors, rotatably placed according to claim 6, wherein the filter door is curved and its consumer blinds are arranged at an angle, for what sound waves emitted from the rotating backward inclined impeller are deflected to direct the noise heard on the outside of this clean air supply assembly.

20. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the lower hollow housing serves as the plenum, on the rear thereof has an assembly of reception and embobinamiento of cord of supply of electrical energy.

21. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the telescopic structural tube serves as the full adjustable height, has a stop located inside for contacting a stop associated with the hollow tower housing, serving as a plenum, to ensure that rotation of the telescopic structural tube can not access 360 °, when it is being supported by the hollow tower housing.

22. An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 2, wherein the grid is a perforated metal grid, wherein the perforated openings comprise 60% of the total area of the grid and these openings are formed to reduce any turbulence of the output filtered air, and are sized small enough to vary the input of a person's finger, and this grid is connected to ground to conduct the electricity, which otherwise, it may cause a subsequent static electric shock.

23. An adjustable air supply assembly that can be passed through doors, rotatably positioned according to claim 1, wherein the lower rotating support assembly, which is secured to the lower hollow housing, is maintained low in elevation so that this support assembly, as needed, can extend below tables, cabinets and other furniture.

24.- A supply assembly of clean air adjustable, which can pass through doors, rotatably placed according to claim 2, which has a sealing gasket placed between the upper part of the cover and the frame of the particle recovery filter of high efficiency, in the respective outer edge portions of the top of the cover and the filter frame.

25.- An adjustable air supply assembly that is adjustable, which can pass through doors, rotatably positioned according to claim 5, having rubber materials used to assemble the interior driven air movement assembly to isolate harmonics and vibrations.

26. An assembly of supply of clean air adjustable direction, which can pass through doors, rotatably placed according to claim 5, wherein the assembly of movement of inner driven air, having the impeller tilted back, is arranged so that no loss of air flow occurs and the plenums are always well pressurized.

27. A clean-air supply assembly that is adjustable, which can pass through doors, rotatably placed according to claim 1, having an O-ring seal in the hollow tower housing, wherein the O-ring and its receiving groove are positioned so that the O-shaped ring bears against the outside of the telescopic structural tube at all times during the lifting and reduction of this tube, which in turn causes the rise and lower the upper filter head assembly.

28.- An adjustable air supply assembly, which can be passed through doors, rotatably placed according to claim 1, wherein the adjustable positioning subassembly comprises an adjustable clamping ring internally placed in the hollow housing of tower, near its upper part, and having tongues extending radially outwardly through an opening in the hollow tower housing. Each tab having a reception hole; a threaded rod slidably connected through the receiving holes of the tabs; a threaded positioning notch on the threaded rod beyond the tabs; and a cam connection lever subassembly mounted for pivotal movement on the hollow tower housing and connected with pins to the threaded bar, whereby the operation of this sub-assembly is loosely placed, the telescopic structural tube is free of upward movement or down or about or is retained to remain in a position of selected height and direction relative to the hollow tower housing and thus determine the position of the upper filter head assembly.

29.- An adjustable air supply assembly, which can be passed through doors, rotatably placed according to claim 1, wherein the adjustable positioning subassembly comprises: an energy housing secured to the hollow tower housing near of your fund; an electric motor secured to this energy housing; a drive arrow gear assembly secured to this energy housing and connected to the electric motor; a straight drive screw arrow secured to the drive shaft gear assembly; a bushing secured to the hollow tower housing to receive the screw arrow of

• 5 straight drive, in its upper part; a support guide block having a threaded center hole, threadedly receiving the straight drive screw arrow, and also having a restrictive input arched reception channel for receiving a complementary dimensioned bottom portion of the structural tube

10 telescopiable, so that this tube always remains, in part, inside the hollow tower housing; and a straight guide channel positioned within the hollow tower housing to guide the upward and downward movement of the support guide block, while preventing its rotation; so, when the electric motor

15 is operated and the straight drive screw arrow is rotated, the support guide block, depending on the rotation of this arrow, either raise or lower the telescopic structural tube and consequently raise or lower the head assembly. upper filter. 20

30. An air-tightly regulated supply assembly for clean air that can pass through doors, rotatably positioned according to claim 29, wherein the adjustable positioning subassembly also comprises: limit switches and its circuit system for your contacts

25 respectively with the support guide block, at the top or bottom of the path of the support guide block, within the straight guide channel, to stop the supply of electrical energy to the electric motor, when any of these respective ends of travel is achieved.

31. An assembly of supply of clean air adjustable, which can pass through doors, rotatably placed according to claim 1, further comprising a support support on the lower housing on its back to receive a portion dependent on the upper filter head assembly, when the tilt adjustment assembly has been used to place the upper filter head assembly along the telescopic structural tube and partially along the hollow tower housing, in a total position of this clean air supply assembly, allowing it to pass through a door or other narrow passages.

32.- A supply assembly of clean air adjustable, which can pass through doors, rotatably placed according to claim 1, wherein both the front prefilter assembly and upper filter head assembly, each has a filter protective member and a filter support member, which have respective integral hinge portions, whereby the filter protective members are pivoted to gain access to the respective filters.

33.- An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 32, wherein both the front prefilter assembly and the upper head filter assembly have fastener assemblies separated for the repeated securing and release of the protective filter members, when their respective integral hinge portions are being used.

34.- An adjustable air supply assembly that can be routed through doors, rotatably positioned according to claim 1, wherein the hollow tower housing has vertical interior plastic support materials of ultra molecular weight. high, against which the outer portions of the telescopic tube pass slidably during the up and down movements and the partial rotational movements of the telescopic structural tube, when it is supported and retained by the hollow tower housing.

35. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the hollow tower housing has a straight guide bar and a guide channel assembly , and the telescopic structural tube has a support guide block, with a central hole to receive the straight guide bar, and opposite sides that will be slidably guided in the guide channel, so that the telescopic structural tube is guided in a controlled during the ascending and descending movements thereof with respect to the hollow tower housing.

36. - An adjustable air supply assembly, which can be passed through doors, rotatably positioned according to claim 35, wherein the hollow tower housing has vertical interior support materials separated from ultra-high molecular weights, against which outer portions of the telescoping tube slide pass during the up and down movements, and partial rotational movements of the telescopic structural tube, when it is supported and retained by the hollow tower housing.

37. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the upper filter head assembly has a lighting system comprising, in turn , lights, its circuit system, its switches, and its electric power to provide light in the work area through which filtered air is directed. 38.- An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the lower hollow housing further comprises a receiving volume compartment to selectively receive loads of different sizes to counterbalance, for example, a larger filter head assembly of larger size. 39.- An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the electric control assembly has its controls manipulated by touch with the finger, in turn having a sealed full membrane cover for convenient cleaning in sterile form. 40.- An assembly of clean air supply adjustable, which can pass through doors, rotatably placed according to claim 1, wherein the sub-assembly of electrical control with respect to the cables entering or leaving the plenums, It has wires around air sealing connections. 41.- An adjustable air supply assembly that can be routed through doors, rotatably placed, to be used in climate controlled environments to direct clean air through a designated volume of air, where an activity is presented , which requires very clean air due to strict specifications, which includes: a. a lower hollow housing which in turn has: i. a central vertical section of this lower hollow housing; ii. a vertical rear section of this lower hollow housing, which iii. is secured to the central vertical section to provide a plenum structure of indoor reception volume positively sealed to the air for an indoor moving air movement assembly and to provide air flow passages for the inlet air to be introduced to this housing of lower air and so that between the consumption of an internally operated air movement assembly, and for the air coming out of a moving assembly of inner driven air and coming out of this lower hollow housing; a carbon pre-filter assembly secured outside the front of the vertical front section of the lower hollow housing comprising, in turn: i. a filter door housing with consumer blinds; ii. a carbon pre-filter fitted inside the filter door housing; iii. a filter retainer for maintaining the carbon prefilter inside the filter door housing; and iv. a baffle placed on the front vertical section of the lower hollow housing for redirecting the air exiting the carbon pre-filter around this baffle before it enters the airflow passage in the lower hollow housing and continues for a consumption of one Internally operated air movement assembly, so the use of the baffle serves to deflect the sound level of an internally operated air movement assembly, and also serves to prevent the channeling of the inlet air through only the central area of the carbon pre-filter; an inner driven air movement assembly within the rear vertical section of the lower hollow housing, which in turn comprises: i. a mounting structure of the rear vertical section; ii. an electric motor arrow secured to this mounting structure; iii. an armature secured to this electric motor shaft; V. a rearwardly inclined impeller rotatably positioned around the electric motor shaft; v. an electric filter secured to this impeller to complete an electric motor; which is thus placed inside the impeller inclined backwards and secured to the mounting structure, whereby the impeller - inclined rearwards rotates to extract air in an axial form and to discharge the air in a radial form; horizontally extended limbs secured to the lower hollow housing at its bottom; handles secured to and depending on the extremities at the ends thereof; F. a hollow tower housing that has in turn; i. a vertical front section of this hollow tower housing; and ii. a vertical back section of this hollow tower housing, which is secured to the upper vertical section, and the secured vertical sections provide an interior reception volume structure, which serves as an air flow passage; and while this hollow tower housing receives, in part, a penole of vertically placed telescopic structural tube, places an assembly of energy used to raise and lower the telescopic structural tube plenum and places a control assembly; g. an energy assembly in the hollow tower housing used to raise and lower a telescopic structural tube plenum, and thereby raise and lower an upper filter head assembly having in turn: i. an electric motor; ii. a main screw driven by the electric motor; and iii. a guide block that can be moved over the main screw and is adapted to make contact with and move a telescopic structural tube plenum; a control assembly in the hollow tower housing, used to control the operation of the electric motor of the internally operated air movement assembly, and to control the operation of the electric motor of the power assembly used to raise and lower a plenum assembly. telescopic structural tube; a telescopic structural tube plenum assembly that can be received in a mobile form, in part, in the hollow tower housing for vertical movement by the power assembly after operations of the control assembly; an inclination adjustment assembly secured in part to the structural tube assembly, which in turn comprises: i. separate vertical support arms, having holes, secured to the telescopic structural tube plenum assembly; ii. a bolt that serves as an arrow that will be extended through the holes of the separate vertical support arms; iii. a pivot bracket for rotating around the bolt that serves as an arrow; iv. at least one locating assembly for moving and maintaining the pivot bracket at selected angular positions, which in turn comprises separate fiber friction plates disposed along the bolt serving as an arrow; Separate steel friction plates located in the spaces between the friction plates of separate fibers and also arranged along the bolt that serves as an arrow, with the steel friction plates interfusing with the pivot bracket to rotate with it; a torsion spring having a coil portion thereof fixed

10 around the bolt, serving as an arrow and an extension arm to movably connect all the steel friction plates to restrict them as a group, when this group is frictionally of opposite rotating movement of

15 the pivot bracket; a bushing both to be placed around the bolt, serving as an arrow, to receive the separate fiber friction plates and steel friction plates; a mandrel for

• be placed around the bolt, serving as a

20 arrow, and looking at the coil portion of the torsion spring; concave washers serving as conical spring washers fixed around the bushing fixed around the pin, serving as an arrow and placed on the respective sides of

25 the total grouping of the separated fiber friction plates and the separate steel friction plates; compression washers to be placed on the bolt, serving as an arrow, and one of them is located between the pivot bracket and one of the separate support arms, and the other is located between the concave washer and one of the friction plates of steel separated; a compression cap to be placed on the bolt, serving as an arrow and located adjacent to one of the concave washers, a washer to be placed on the bolt, serving as an arrow and located adjacent to the compression cap; a self-locking torsion adjustment notch to be placed on the bolt, serving as an arrow and located adjacent to the washer to stay together with this tilt adjustment assembly when its assembly around the bolt, serving as an arrow, has been completed , so that the pivot bracket is controllably adjusted from a vertical position, through selectable angular positions to a horizontal position; a self-sealing bellows to be fixed on the inclination adjustment assembly and secured at its lower end to the telescopic structural tube plenum assembly at its upper part, and arranged to be secured on its upper part to an upper filter head assembly, This way to direct the prefiltered air through the inside of this bellows, when this air is flowing between respective filters; k. a self-sealing bellows to be fixed on the inclination adjustment assembly and secured at its lower end to the telescopic structural tube plenum assembly at its upper part, and arranged to be secured on its upper part to an upper filter head assembly, for so direct the prefiltered air through the interior of this bellows, when this air is flowing between the respective filters; and I. a top filter cover assembly, secured in an inclined manner to the telescopic structural tube plenum assembly, using the tilt adjustment assembly, and this upper filter head assembly comprises: a contoured top portion for receiving the prefiltered air that arrives through the bellows and equally distribute this air through the upper part of the cover, and then direct this final filtered air in a 90 ° direction; a high efficiency particle recovery filter attached by a tip partially fixed to the upper part of the cover to receive, filter and pass on the final filtered air; a grid fixed adjacent the adjacent fixed grid reclaimer filter attached to the high efficiency particle recovery filter, which serves to maintain and protect the filter, and to further disperse the flow of the filtered air; a cover bezel fitted around the grate and the high efficiency particle recovery filter and secured to the top of the cover and the bellows on top is secured to this upper filter head assembly 42.- A supply assembly of clean air adjustable, which can pass through doors, rotatably positioned, according to claim 41, wherein the grate serving to hold and protect the high efficiency particle recovery filter is a perforated metal grid having a circuit connected to ground to conduct any static electricity, which otherwise way it can be carried in the flow of clean air to a workplace, where a static electric shock can interfere with the quality of the work being done.

43.- An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 3, wherein the tilt adjustment assembly, in at least one assembly assembly thereof , has notches formed along a portion of the circumference of the steel friction plates, and a ratchet follower to contact these notches during angular adjustments of this tilt adjustment assembly, so that the person change the angular position of the tilt adjustment assembly, and thus change the angular position of the upper filter head assembly, both listen and feel the adjustments that are being made.

44. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 28, wherein the sub-assembly of adjustable positioning also comprises, in addition: a) a straight line arrow ensured at the bottom and its upper part inside the hollow tower housing; b) a support guide block having a central bore hole receiving the straight line arrow, and also having a restrictive input arched reception channel for receiving and maintaining a complementary complementary dimensioned portion of the telescopic structural tube, so that this tube always it remains, in part, within the hollow tower housing; and a straight guide channel positioned within the hollow tower housing to guide the upward and downward movement of the support guide block, while preventing its rotation.

45.- A supply assembly of clean air adjustable, which can pass through doors, rotatably placed, according to claim 8, further comprising a work support tray having multiple separate air passages arranged within the surrounding curtain.

46. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 45, wherein the work support tray is adjustable and removably secured to the hollow tower housing, allowing easy movement and storage of the clean air supply assembly.

47. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 7, wherein the handles of the lower rotating support assembly have closures on them to prevent movement unwanted from each shooter.

48. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 1, wherein the upper filter head assembly further comprises a filter gasket having a total continuous surrounding body configuration, where: a) it is fixed on and around the high efficiency particle recovery air filter; b) has respective wings disposed at 90 °; c) has an inner 90 ° corner of the respective wings;

d) has the outside of each wing formed on an arched contour creating a gradual increase in the thickness of each wing, reaching a maximum thickness, where the wings meet at the site, where the inner corner of the wing

90 ° is placed through the entire filter gasket.

49. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 48, wherein the filter gasket is made using a stretch of a plastic foam extrusion of closed, easily compressible, soft skin-type cell disposed in a continuous continuous total body configuration that is fixed on and around the high efficiency particle reclaimer air filter.

50.- An adjustable air supply assembly that can be routed through doors, rotatably positioned, according to claim 48, wherein the upper filter head assembly has a top part of the cover, and the part The top of the cover has a total continuous receptacle, which is dimensioned to fully receive a respective wing of the filter seal, when the wing is subsequently compressed and to partially receive the other respective wing of the filter seal, when the other wing is Subsequently compressed.

51. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 50, wherein the total continuous receptacle has a substantially rectangular cross section having: a) an interior length arranged to be parallel to the high efficiency particle recovery air filter in its corner; b) an interior length disposed perpendicular to the interior length arranged to be parallel to the high efficiency particle recovery air filter, which extends at a perpendicular distance that is less than the original maximum thickness of a respective wing of the filter gasket , which is subsequently completely received in the receptacle, when the wing is subsequently compressed; and c) another internal length substantially disposed perpendicular to the inner length arranged to be parallel to the high efficiency particle recovery air filter, which extends at a perpendicular distance that is greater than the maximum thickness of the other respective wing of the filter seal, which is not completely received in the receptacle, when the other wing is compressed in part.

52. An adjustable-directed clean air supply assembly, which can pass through doors, rotatably positioned, according to claim 51, wherein the total continuous receptacle having the other interior length that is substantially perpendicular to the length interior arranged to be parallel to the high efficiency particle recovery air filter, has a portion of the other inner length disposed over an angle creating a wider entrance of tapered guide towards the receptacle, which is used when the air filter recuperator of High efficiency particle is installed on the upper filter head assembly.

53. An adjustable-directed, clean-air supply assembly that can pass through doors, rotatably positioned, according to claim 51, wherein the upper filter head assembly has multiple separate sub-assemblies and is used to secure The high efficiency particle reclaimer air filter to the top of the cover, the filter gasket being compressed, so that there are multiple sealing strips between the upper cover housing and the high air particle reclaimer air filter efficiency.

54.- An adjustable air supply assembly that can be adjusted through doors, rotatably positioned, according to claim 53, wherein each of the multiple securing assemblies has a portion thereof secured to the upper cover housing and its other portion adapted to be secured to a fixed grid adjacent to the recirculating air filter. high efficiency particle, so when the fastener is presented, the grid serves to maintain and protect the filter, and the filter gasket is compressed creating the complete seal around the installed high efficiency particle recovery air filter.

55. - An adjustable air supply assembly that can be routed through doors, rotatably positioned, according to claim 48, wherein the upper filter head assembly further comprises: a) a top cover portion, which has a total continuous receptacle that is dimensioned to receive the respective wing portions of the filter gasket; b) a grid fixed adjacent to the high efficiency particle recovery air filter; and c) multiple separate sub-assemblies and used to secure the grid to the top of the cover, whereby the grid serves to maintain and protect the filter, and the filter gasket placed partly in the total continuous receptacle is compressed creating the Total seal around the high efficiency particle reclaimer air filter installed.

56.- An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 55, wherein the filter gasket is manufactured to be soft and easily compressible, with the interior being of closed cell plastic, and the outer being of a smooth sealing skin type material, thus allowing the non-deformation of the upper filter head assembly, and allowing the necessary amount of compression of the filter gasket when it is fixed around the High efficiency particle reclaimer air filter, after having used the multiple sub-subassemblies, thus providing a completely sealed clean air supply system, which, when properly handled and used properly, results in the elimination of any requirement to have to go through a proof of rectification, each time the assembly supply a ire clean be transported and established for another use.

57. An assembly of clean air supply adjustable, which can pass through doors, rotatably placed, according to claim 1, wherein controlled climate environments are clean rooms of low grade, normal rooms, stores or vaults, so that weather-related items such as rain, wind and excessive dust are controlled.

58. An assembly of supply of clean air adjustable, which can pass through doors, rotatably placed, according to claim 1, further comprising a surrounding curtain attached to an upper part of the cover of the filter head assembly and that it depends on the same to effectively provide a clean room below the upper filter head assembly, where the filters serve to create a certifiable clean room, when covered by said curtain, governed by strict standards with related specifications; airborne particle count, air flow velocity, minimum filter airflow differential, filter contamination leakage, and external airborne interference, and when it is not coated creates a clean area, which within clean room standards is an area that has all the above restrictions except the external air specification that is relaxed, however, good operational practices must continue to be followed.