EP0017519B1 - Trockenstaubsauger für Bodenflächen - Google Patents
Trockenstaubsauger für Bodenflächen Download PDFInfo
- Publication number
- EP0017519B1 EP0017519B1 EP19800400297 EP80400297A EP0017519B1 EP 0017519 B1 EP0017519 B1 EP 0017519B1 EP 19800400297 EP19800400297 EP 19800400297 EP 80400297 A EP80400297 A EP 80400297A EP 0017519 B1 EP0017519 B1 EP 0017519B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine
- tank
- bag
- suction
- brushes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010407 vacuum cleaning Methods 0.000 title 1
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 2
- 238000003754 machining Methods 0.000 claims 2
- 239000000428 dust Substances 0.000 description 18
- 238000005096 rolling process Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 2
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/165—Construction of inlets
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/10—Floor surfacing or polishing machines motor-driven
- A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4041—Roll shaped surface treating tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4044—Vacuuming or pick-up tools; Squeegees
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0009—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners with means mounted on the nozzle; nozzles specially adapted for the recovery of liquid
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0023—Recovery tanks
- A47L7/0028—Security means, e.g. float valves or level switches for preventing overflow
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
- A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
- A47L7/0042—Gaskets; Sealing means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
- A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1608—Cyclonic chamber constructions
Definitions
- the present invention relates to a machine for dry cleaning of floors or other walls by suction which functions as a dry vacuum cleaner and whose suction shoe is designed to perform a mechanical action on the wall to be cleaned.
- Known dry vacuum cleaners comprise on a frame, provided with rolling and / or sliding members, an enclosure or tank in which the vacuum is obtained by means of an extractor fan or turbine.
- a suction duct connects a suction shoe to the enclosure and discharges the air loaded with dust or other dirt.
- a removable dust receptacle or bag is fixed inside the enclosure to receive the dirt.
- the bag is made of a material impermeable to dust and breathable.
- the shape of the bag is in certain known vacuum cleaners adapted to the shape of the enclosure so that almost the entire internal volume of the enclosure is occupied by the bag and that its walls press against the internal walls of the enclosure.
- This patent describes a vacuum cleaner comprising an enclosure or tank under which is mounted a suction group in relation to the interior of said enclosure.
- a cover closes the upper opening of said enclosure.
- the discharge of the aspirated air flow takes place in the enclosure by means of a bent nozzle arranged transversely to the cover and along the axis of the enclosure.
- a receptacle or frustoconical perforated basket which receives a bag made of an air permeable material.
- the walls of the frustoconical receptacle are spaced from the internal walls of the enclosure to allow aspiration.
- the dust is discharged along the axis of the enclosure so that, as shown in fig. 2 of said patent they occupy the entire volume of the bag and the receptacle, which gradually tends to clog the latter and to brake or prevent satisfactory suction from being obtained.
- the present invention aims to overcome this drawback using a particularly simple combination of means.
- These bodies generally consist of one or more cylindrical brushes with a horizontal axis arranged transversely to the direction of advancement of the shoe and of which a generator is flush with the ground.
- the surface of the brush in contact with the ground is too small for an effective mechanical action to be obtained on it, in particular when the surface of the ground presents, due to its structure, level irregularities and the role of such brushes. is essentially to throw dust and dirt towards the squeegee.
- the present invention also aims to provide an apparatus of simple design provided with mechanical action members on the ground which due to their design are really effective.
- the present invention further aims to provide an apparatus which is particularly suitable for carrying out cleaning by mechanical action and aspiration on floors with differences in level as is the case with certain wear coatings whose configuration represents a succession of grooves or hollows.
- the machine of the dry vacuum cleaner type for cleaning floors and walls comprises a frame provided with rolling and operating means, a suction enclosure in relation to a vacuum cleaner group defined by a vertical tank. and its cover, a conduit connecting the enclosure to a suction shoe, the conduit opening into the enclosure at its upper part by a bent end pointing towards the bottom of the enclosure, and a bag housed in the tank having a wall which intercepts the flow of aspirated air which has a shape such that it remains spaced from the tank, said machine being characterized in that the bent end piece has a nozzle oriented according to an inclination at an angle to the axis of the tank or one of its generators and tangentially to the internal wall of the tank, and in that the cover of the tank is in the form of spherical cap, the assembly allowing to animate the air flow charged with dust in a swirling movement which avoids their distribution on the walls of the bag and during which the heaviest dusts, by cyclone effect, fall to the
- the suction shoe comprises, parallel to a transverse brush rotating in the vertical plane, one or more mechanical action members on the ground rotating in the horizontal plane, which increases the action of the suction shoe on the soil and the efficiency of the machine according to the invention.
- the machine according to the invention is constituted by a frame 1 with side walls 2 provided with rolling members 3. Under the frame is mounted a vacuum group 4.
- the upper wall of the frame 1 is provided with an orifice 5.
- the flange 2 of the frame is provided with an electrical connection box, not shown.
- an enclosure consisting of a tank 6 and its cover 7.
- peripheral tube 8 which acts as a bumper and which also makes it possible to fix the suction shoe.
- the bottom of the tank 6 has a preferably axial and circular orifice aligned with the orifice in the wall of the box and that of the housing of the vacuum cleaner group 4.
- the cover 7 cooperates with the upper edge of the tank by interlocking, any other arrangement can however be adapted to the machine according to the invention to obtain a sealed closure of the tank by the cover.
- the cover 7 is pierced in the vicinity of its edge with an orifice for the passage of the endpiece or sleeve 9 with a nozzle 10 for discharging dust onto which the suction duct 11 is connected.
- the cover 7 has the shape of a spherical cap.
- the end piece 9 is a tube bent at a right angle so that the nozzle is directed towards the bottom of the tank tangentially to the internal wall of said tank.
- the part of the endpiece oriented towards the bottom of the tank is inclined at an angle with respect to the axis of the tank and to one of the generatrices of said tank or to one of the sides of said tank at an angle of around 15 to 75 °.
- This arrangement of the invention allows, as will be explained above, to direct the flow of fluid aspirated tangentially to the tank according to a theoretical turn which is wound on the internal wall of the tank so that the dust is discharged tangentially. to the wall of the tank giving it a swirling motion.
- a dust receptacle 12 which is constituted by a bag made of a textile material impermeable to dust and breathable.
- the bag is provided with a known device for fixing on the upper edge of the enclosure which can be as shown consisting of a washer 13 to which the wall of the bag is welded and which rests on the edge of the enclosure.
- the wall of the bag is separated from the internal wall of the enclosure by a spacing 14, the volume of the bag being of dimension smaller than the internal volume of the enclosure.
- the volume delimited by the wall of the bag is closed by a bottom 15.
- the width or diameter of the bottom 15 is less than the width or diameter of the orifice of the bag delimited by the washer 13 so that the bag has the shape of an inverted truncated cone, the lower section of which is delimited by the bottom and is disposed opposite the suction orifice of the turbine and the wall of which is inclined relative to the axis of the enclosure and to its wall.
- the bag in the case of a non-cylindrical enclosure or tank, is adapted to the conformation of the internal volume of the enclosure by having the same characteristic of decreasing width, giving it a tighter shape at its bottom than 'to its orifice.
- This shape can for example be a pyramidal trunk.
- This arrangement of the invention makes it possible to prevent the wall of the bag from being pressed against the wall of the enclosure during suction.
- the tank is preferably removable and fixed to the frame 1 by means of quick couplers.
- the vacuum cleaner group 8 is also fixed under the upper wall of the frame 1 by means of a system, for example of quick couplers intended to facilitate its removal.
- a system of articulated screws 18 with an operating wheel makes it possible to lock the group in position.
- the suction shoe of the machine according to the invention which is fixed at the end of the flexible conduit 11 can be either movable independently of the machine as defined above, or fixed in front of it to the box or to the tube 3 in a known manner.
- the suction shoe comprises a chassis receiving the various shaped organs substantially rectangular made by welding tubular beams and crosspieces.
- the chassis 11 is covered by a protective cover in the form of a box fixed to said chassis preferably by bolting so as to be removable.
- the suction shoe of the machine according to the invention can be provided with rolling members which can be adjustable in height.
- the rolling members may consist of rollers, one of the rollers may be motor, the other or the others being freely rotatable.
- the chassis of the device as described receives mechanically acting members on the ground to detach dirt and impurities and one or more suction nozzles connected to the machine by the conduit 11 shown diagrammatically.
- the mechanically acting soil cleaning members on this comprise a cylindrical brush, substantially median to the chassis, at least one generator of which is in contact with the ground, mounted transversely to the chassis and in the direction of travel of the apparatus.
- the shaft of the brush 20 is rotatably mounted in two bearings fixed respectively on each of the frame rails.
- the brush is driven by a belt as will be described later.
- a horizontal plate 21 raised relative to the parallel uprights 22 of the chassis by means of brackets or gussets welded along an axis transverse to the chassis on each of the side members respectively .
- Under the plate 21 is mounted in an alignment preferably parallel to the axis of the brush 20 a series of brushes with vertical axis actuated in rotation in the horizontal plane, each of them being driven on a closed path.
- the plate is provided with holes aligned on the same axis.
- each of the bores is wedged a pin 23 by a shoulder 24 and a nut 25.
- a rotary toothed wheel 28 is mounted between the abutment shoulder of the journal and the fixed gear 26 between the abutment shoulder of the journal and the fixed gear 26.
- the toothed wheel 28 is provided with a bore through which the rotary axis 29 of the brush 30 passes, wedged into the bore by a stop shoulder, a ring made of a self-lubricating material facilitates the rotation of the axis 29.
- One of the toothed wheels is actuated around the journal 23 in rotation by a tangent motor pinion 32 actuated by means of a bevel gear shown diagrammatically at 33 engaged on the output shaft of the electric motor 34 fixed on the plate.
- An output shaft 35 of the bevel gear 33 in the extension of the output shaft of the motor receives a grooved pulley which, by a belt, rotates a grooved pulley wedged on the shaft of the brush 20.
- the toothed wheel 28 drives the brush 30 along a circular closed circuit trajectory and by gear of the pinion 31 and of the fixed gear the brush is animated during this trajectory of a continuous rotational movement.
- the circular trajectory with rotation of each of the brushes 30 in parallel plane contributes by increasing the surface of the ground in contact with each of the brushes to detach the dirt from the ground and to make the machine according to the invention more efficient.
- the timing of each of the brushes is identical on each of the toothed wheels.
- Rotating the brushes in a horizontal plane along a closed path makes it possible to increase the surface swept by each brush whatever the differences in level of the soil to be cleaned.
- the fibers of each of the brushes are of increasing length from their center to their periphery.
- the suction shoe has one or more suction nozzles located before and / or after the brushes with mechanical action on the floor.
- the shoe has electrical supply and control wiring for its various components.
- the control can be carried out either from the operating bar provided with brush control devices, or from the control panel of the vacuum cleaner as stated above provided with a wiring connection to that of the shoe.
- the shoe according to the invention is fixed to the front of the vacuum cleaner by any known means so that by pushing one, the user pushes the other.
- FIG. 6 shows another embodiment of the suction shoe intended to be connected to the vacuum cleaner as defined.
- the chassis constituted by the assembly of beams and crosspieces covered by a cover is provided with a rolling member 18 freely rotatable transversely to the chassis.
- the brush rotates in bearings fixed to the frame. Its axis is provided with a grooved pulley rotated by a belt cooperating with the output shaft of an electric motor of known type fixed to the chassis.
- the suction shoe has two suction tips 39 and 40 transverse to the frame joined to the suction duct 11 by forming a bypass 41.
- the suction nozzle 39 comes in front of the cylindrical brush, the suction nozzle 40 is placed at the rear of the cylindrical brush.
- each of the nozzles are above the level of the floor to be cleaned.
- an articulated valve 42 is actuated by a solenoid valve 43 connected to the valve by a rigid rod.
- An axis transverse to the bypass and the ends of which are fixed on either side of the shoe, for example in holes in the sides of the cover, makes it possible to tilt the assembly 39, 40 so that one or the other of the nozzles are in contact with the ground.
- an electromagnet 44 is used fixed to the chassis and connected to one of the nozzle ends by a rigid rod.
- each of the end pieces is provided with a flexible accordion sleeve which allows by means of a screw, rack or chain system to raise one or the other of the end caps.
- the turbine when the turbine is started, it extracts the air contained in the enclosure by producing a vacuum and a dust suction through the duct fixed to the lid.
- the air flow is directed tangentially to the cylindrical wall of the enclosure. and following a turn.
- Said air flow is intercepted by the frustoconical wall of the bag and by the bottom curved in a cap so that it is returned towards the cover which by its conformation in a spherical cap plays a role of deflector of said air flow which inside the bag an elliptical swirling motion.
- This arrangement of the invention avoids clogging of the pores of the bag which would slow down the suction.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT80400297T ATE8963T1 (de) | 1979-03-05 | 1980-03-04 | Trockenstaubsauger fuer bodenflaechen. |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7906307A FR2450593A1 (fr) | 1979-03-05 | 1979-03-05 | Machine a nettoyer les sols ou autres parois du type aspirateur |
FR7906306 | 1979-03-05 | ||
FR7906308A FR2450592B1 (fr) | 1979-03-05 | 1979-03-05 | Appareil de nettoyage des sols du type sabot suceur |
FR7906308 | 1979-03-05 | ||
FR7906306A FR2450591A1 (fr) | 1979-03-05 | 1979-03-05 | Machine pour le nettoyage des sols par projection de liquide et/ou de vapeur et par aspiration |
FR7906307 | 1979-03-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0017519A2 EP0017519A2 (de) | 1980-10-15 |
EP0017519A3 EP0017519A3 (en) | 1981-05-13 |
EP0017519B1 true EP0017519B1 (de) | 1984-08-15 |
Family
ID=27250905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19800400297 Expired EP0017519B1 (de) | 1979-03-05 | 1980-03-04 | Trockenstaubsauger für Bodenflächen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0017519B1 (de) |
DE (1) | DE3068929D1 (de) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5918344A (en) | 1996-07-12 | 1999-07-06 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
US5920955A (en) | 1996-07-12 | 1999-07-13 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
US5966775A (en) | 1996-07-12 | 1999-10-19 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
US6009596A (en) | 1996-07-12 | 2000-01-04 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
US6112366A (en) | 1999-01-20 | 2000-09-05 | Shop Vac Corporation | Outlet priming self-evacuation vacuum cleaner |
US8170221B2 (en) | 2005-03-21 | 2012-05-01 | Harman Becker Automotive Systems Gmbh | Audio enhancement system and method |
US8571855B2 (en) | 2004-07-20 | 2013-10-29 | Harman Becker Automotive Systems Gmbh | Audio enhancement system |
DE202012010450U1 (de) * | 2012-10-30 | 2014-01-31 | Wetrok Ag | Bodenreinigungsvorrichtung |
DE202012010452U1 (de) * | 2012-10-30 | 2014-01-31 | Wetrok Ag | Bodenreinigungsvorrichtung |
US9014386B2 (en) | 2005-05-04 | 2015-04-21 | Harman Becker Automotive Systems Gmbh | Audio enhancement system |
US9107556B2 (en) | 2012-10-30 | 2015-08-18 | Wetrok Ag | Floor cleaning apparatus |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1154703B (it) * | 1980-01-14 | 1987-01-21 | Novum Novita Elettrodomestica | Macchina per lavare superfici |
DK172087A (da) * | 1987-04-03 | 1988-10-04 | Rotowash Scandinavia | Apparat til vaadrensning af gulv- eller vaegflader |
FR2661339B1 (fr) * | 1990-04-26 | 1992-08-21 | Galliot Bernard | Nettoyeur autolaveur ondulatoire a vapeur. |
DE4202987C2 (de) * | 1992-02-03 | 1995-12-07 | Hako Gmbh & Co | Fahrbare Naßreinigungsmaschine |
EP0800783B1 (de) * | 1996-03-01 | 2001-08-08 | Unilever N.V. | Bodenreinigungsgerät |
ES2247755T3 (es) * | 1998-04-22 | 2006-03-01 | Johnsondiversey, Inc. | Maquina limpiadora de suelos. |
EP1044645A3 (de) * | 1999-04-15 | 2002-12-04 | Alto U.S. Inc. | Maschine zur Absaugung von Flüssigkeiten und Verfahren zur Reinigung von Bodenflächen |
DE10018666A1 (de) | 2000-04-14 | 2001-10-18 | Harman Audio Electronic Sys | Vorrichtung und Verfahren zum geräuschabhängigen Anpassen eines akustischen Nutzsignals |
DE602004004242T2 (de) | 2004-03-19 | 2008-06-05 | Harman Becker Automotive Systems Gmbh | System und Verfahren zur Verbesserung eines Audiosignals |
DE102017121208A1 (de) * | 2017-09-13 | 2019-03-14 | Alfred Kärcher SE & Co. KG | Flächenreinigungsgerät |
CN109157155A (zh) * | 2018-08-31 | 2019-01-08 | 珠海格力电器股份有限公司 | 一种吸尘器及其控制方法 |
CN113171035B (zh) * | 2021-04-25 | 2022-11-22 | 喜洋洋科技服务(广东)有限公司 | 一种医疗用过道消毒装置 |
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FR435755A (fr) * | 1910-10-31 | 1912-03-09 | Eberhard Seger | Appareil de nettoyage par le vide |
GB113089A (en) * | 1917-01-30 | 1918-10-17 | Halla Floyd Gray | Improvements in Carpet Washing and Rinsing Machines. |
US1975380A (en) * | 1932-05-31 | 1934-10-02 | Charles A Streich | Portable rug washing and cleaning device |
US2030133A (en) * | 1934-02-14 | 1936-02-11 | Gladys C Baxter | Vacuum cleaner |
DE894308C (de) * | 1943-01-01 | 1953-10-22 | Siemens Ag | Staubsauger |
DK67806C (da) * | 1947-01-17 | 1948-10-18 | Arthur Lau | Maskine til brug såvel ved kemisk rensning af gulvtæpper som ved vask, rensning og boning af gulve. |
US2539195A (en) * | 1950-05-02 | 1951-01-23 | Gen Electric | Inlet dirt deflector and filter arrangement for suction cleaners |
US2731659A (en) * | 1952-12-08 | 1956-01-24 | Coplen George | Floor scrubbing machine |
FR1083663A (fr) * | 1953-06-29 | 1955-01-11 | Poche fongible pour aspirateurs de poussières | |
US3540072A (en) * | 1964-08-03 | 1970-11-17 | Sunbeam Corp | Floor conditioner |
US3262146A (en) * | 1964-09-08 | 1966-07-26 | Fred E Hays | Steam-vacuum generator for rug and upholstery cleaning |
US3343199A (en) * | 1965-01-18 | 1967-09-26 | Louis C Nolte | Cleaning device |
US3496592A (en) * | 1969-04-24 | 1970-02-24 | Judson O Jones | Portable apparatus for cleaning and partially drying carpets |
US4114229A (en) * | 1971-06-30 | 1978-09-19 | Clarke-Gravely Corporation | Surface cleaning apparatus |
US3951597A (en) * | 1971-12-08 | 1976-04-20 | Steamatic, Inc. | Method of dry cleaning fabrics |
US3774260A (en) * | 1972-01-31 | 1973-11-27 | Carpetech Corp | Vacuum pick-up system |
DE2227935A1 (de) * | 1972-06-08 | 1973-12-20 | Rolf Reichert | Sauggeraet insbesondere fuer industrielle zwecke |
GB1445093A (en) * | 1972-08-26 | 1976-08-04 | Carpetronic Ltd | Machines for cleaning carpets and the like |
US3896521A (en) * | 1973-03-27 | 1975-07-29 | Parise & Sons Inc | Home cleaning system |
FR2264510A1 (en) * | 1974-03-18 | 1975-10-17 | Chazalon Jacques | Water spray cleaner and vacuum cleaner - has pump connected to air or spray circuit controlled by electromagnetic valve |
CH575748A5 (en) * | 1974-12-17 | 1976-05-31 | Baehni Heinz | Multi purpose cleaning machine - has drum containing dual suction motors and liquid container suspended above shampoo |
US4014067A (en) * | 1975-06-20 | 1977-03-29 | Charles Ross Bates | Carpet cleaning implement |
FR2328439A1 (fr) * | 1975-10-23 | 1977-05-20 | Juif Gilbert | Perfectionnements aux machines pour traiter des surfaces planes, notamment pour nettoyer des sols |
NL7513513A (en) * | 1975-11-19 | 1977-05-23 | Rossen Arie Van | Carpet cleaning machine with spray head - uses detachable vacuum cleaner to serve suction device |
US4046989A (en) * | 1976-06-21 | 1977-09-06 | Parise & Sons, Inc. | Hot water extraction unit having electrical immersion heater |
US4167800A (en) * | 1977-03-28 | 1979-09-18 | Herbert Tribolet | Unitary wet and dry vacuum cleaner |
US4139922A (en) * | 1977-08-19 | 1979-02-20 | Chester Fitch | Carpet cleaning device |
-
1980
- 1980-03-04 EP EP19800400297 patent/EP0017519B1/de not_active Expired
- 1980-03-04 DE DE8080400297T patent/DE3068929D1/de not_active Expired
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5918344A (en) | 1996-07-12 | 1999-07-06 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
US5920955A (en) | 1996-07-12 | 1999-07-13 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
US5966775A (en) | 1996-07-12 | 1999-10-19 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
US6009596A (en) | 1996-07-12 | 2000-01-04 | Shop Vac Corporation | Self-evacuating vacuum cleaner |
US6112366A (en) | 1999-01-20 | 2000-09-05 | Shop Vac Corporation | Outlet priming self-evacuation vacuum cleaner |
US8571855B2 (en) | 2004-07-20 | 2013-10-29 | Harman Becker Automotive Systems Gmbh | Audio enhancement system |
US8170221B2 (en) | 2005-03-21 | 2012-05-01 | Harman Becker Automotive Systems Gmbh | Audio enhancement system and method |
US9014386B2 (en) | 2005-05-04 | 2015-04-21 | Harman Becker Automotive Systems Gmbh | Audio enhancement system |
DE202012010450U1 (de) * | 2012-10-30 | 2014-01-31 | Wetrok Ag | Bodenreinigungsvorrichtung |
DE202012010452U1 (de) * | 2012-10-30 | 2014-01-31 | Wetrok Ag | Bodenreinigungsvorrichtung |
US9107556B2 (en) | 2012-10-30 | 2015-08-18 | Wetrok Ag | Floor cleaning apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP0017519A3 (en) | 1981-05-13 |
EP0017519A2 (de) | 1980-10-15 |
DE3068929D1 (en) | 1984-09-20 |
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