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US3072296A - Pumping apparatus - Google Patents

Pumping apparatus Download PDF

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Publication number
US3072296A
US3072296A US784123A US78412358A US3072296A US 3072296 A US3072296 A US 3072296A US 784123 A US784123 A US 784123A US 78412358 A US78412358 A US 78412358A US 3072296 A US3072296 A US 3072296A
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Prior art keywords
pump
liquid
pumping
pumped
tube
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Expired - Lifetime
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US784123A
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English (en)
Inventor
Isreeli Jack
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Bayer Corp
Original Assignee
Technicon Instruments Corp
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Filing date
Publication date
Priority to NL107228D priority Critical patent/NL107228C/xx
Application filed by Technicon Instruments Corp filed Critical Technicon Instruments Corp
Priority to US784123A priority patent/US3072296A/en
Priority to GB40546/59A priority patent/GB920613A/en
Priority to FR813603A priority patent/FR1248167A/fr
Priority to BE585934A priority patent/BE585934A/fr
Priority to CH8241659A priority patent/CH387457A/de
Application granted granted Critical
Publication of US3072296A publication Critical patent/US3072296A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
    • B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
    • B67D1/045—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers using elastic bags and pistons actuated by air or other gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • F04B43/0072—Special features particularities of the flexible members of tubular flexible members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1292—Pumps specially adapted for several tubular flexible members
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/08—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a stream of discrete samples flowing along a tube system, e.g. flow injection analysis

Definitions

  • This invention relates to pumping apparatus.
  • One object of the present invention is to provide purnp ing apparatus which is especially well adapted to accurately measure and pump small quantities of uids having such characteristics as to require the use of special materials which are inert upon contract with said fluids, as for example, but without limitation, such fluids as acids, certain solvents, certain alkalis and reagents, etc.
  • Another object of the present invention is to provide means to permit the use of a proportioning pump, of the resiliently flexible tube type, for metering and pumping fluids which normally damage or destroy the tubes of the proportioning pump.
  • a furthetr object of the present invention is the provision of pumping apparatus wherein a proportioning pump may be used for pumping fluids which normally have adverse effects on the tubes and parts of ordinary pumps, and to provide for the pumping of such fluids either alone or concurrently with innocuous fluids in predetermined accurately measured relative portions, in either case, without any detrimental effects on the tubes or parts of the pump.
  • a still further object of the present invention is to provide a pumping apparatus having a first pump for pump ing one fluid, a second pump for pumping a different fluid, and means interconnecting said two pumps for operating said second pump under the control of said rst pump in proportion to the quantity of fluids pumped by said first pump.
  • Another object of the present invention is to provide, in a pumping apparatus, a pump comprising a rigid container or bottle providing a first chamber therein and a removable closure member or pump device mounted on said container to provide a second chamber for said pump isolated from said first chamber, and means for introducing liquids into said second chamber for pumping liquids from said first chamber in quantities equal to the liquids introduced into said second chamber.
  • a still further object of the invention is to provide improved pumping apparatus, for pumping proportionate quantities of various normally destructive fiuids, which is simple in construction and operation.
  • FIG. 1 is a diagrammatic view of a pumping apparatus, pursuant to the present invention, employed in a fluid processing or analysis system;
  • FIG. 2 is a vertical sectional view, on an enlarged scale, taken on line 2 2 ot FIG. 1, showing the pump of the present invention, ready to commence pumping of destructive fluids;
  • FIG. 3 is a vertical View, partly in section, showing the pump of the present invention near the completion of the pumping operation
  • FIG. 4 is a diagrammatic view, taken in the direction of line 4 of FIG. 1, showing the proportioning pump in the open position thereof to permit the venting of air from the pump of the persent invention;
  • FIG. 5 is a vertical view ⁇ of a container or bottle which provides a chamber for the pump of the present invention
  • FIG. 6 is a vertical View of a removable pump device for the bottle shown in FIG. 5;
  • FIG. 7 is an enlarged detailed view, in section, of a combined coupling and check valve for some of the lines.
  • the pumping apparatus of the present invention comprises a proportioning pump 1li which delivers pumped iluids to a second pump 12 for operating said second pump under the control of the proportioning pump.
  • Pump l2 includes a bottle or other suitable container 14, having a fluid therein, which is discharged therefrom in quantities equal to the pumped iiuids delivered by proportioning pump it) to pump l2, as will be more fully understood from the following detailed description of the invention.
  • Proportioning pump iti is provided with a platen i3 resiliently mounted on a base support 15 by springs 16.
  • a platen 13 Suitably mounted on platen 13 are a plurality of resiliently flexible tubing members 1d, Zd and 22, which are preferably made of a suitable plastic material, as for eX yample Vinylite
  • a plurality of pressure rollers 2d which are carried in spaced relation by sprocket chains 26 to which they are attached, at each end thereof.
  • the sprocket chains are supported on sprocket wheels 2S and 30 which are supported in a frame 32.
  • Suitable driving means (not shown) tare connected to a shaft 34 for driving sprocket wheels 28, said sprocket wheels being mounted on said shaft for causing the rollers 24 to progressively compress the tube members 1d, 20 and 22, simultaneously along their lengths for pumping fluids therethrough.
  • Driven sprocket wheels 3u are also mounted on a common shaft 36.
  • the assembly of rollers and sprocket chains may be lifted off the flexible tubing members, as shown in FiG. 4, by unlatching wing screw 38 and rotating the assembly about its hinged pivot di?.
  • a pump of this type is described in U.S. Patent No. 2,893,324 issued July 7, 1959, to the assignee of the present application.
  • the iiexible tubing members of the proportioning pump may be of different internal diameters in order to transmit fluids in correspondingly different quantities.
  • said tubes have the same wall thickness so that all of them are fully compressed by the same transversely extending pressure rollers 24'.
  • the tuhes are of very small diameter, for example, between 0.030 inch to about 0.081 inch, and the volumes of fluids pumped per minute are correspondingly small, ranging from about 0.32 ml. per minute to about 2.5 ml. per minute, the pumping rate varying according to the speed of the pump. It will be understood, however, that the subject invention is also useful for pumping fluids through larger diameter tubes and at various other rates.
  • System t2 may involve an analysis system for determining various substances contained in iiuids being analyzed such as the process system disclosed in U.S. Patent No. 2,797,149. As described in said patent, successive iiuid samples are processed by a system, as 42, to develop a coior therein indicative of a substance contained in sai-:i fluid being analyzed.
  • the colored fluids are delivered to a flow cell de, wherein gases are removed from said colored fluids and the colored fluids subsequently undergo colorimetric analysis in the colorimeter da, the results of said Si analysis being recorded on the recorder d8.
  • the fluids are discharged from the colorimeter at 50. Further discussion of the processing system, the colorirneter and the recorder, is not considered necessary since they do not, per se, :form part of the present invention.
  • tubing members Ztl and 22 contain innocuous fluids which are not harmful or destructive to the tubing members or parts ot the proportioning pump and, accordingly, are connected directly to the processing system 42 via tube member 52, coupling Se being provided to connect tube members Ztl and 22 to said tube member.
  • Tube member 2t ?
  • Tube member 1S would normally carry an acid or other liquid reagent for reacting with the iluid samples tlowing in tube 2%. However, since this acid or reagent would shortly corrode or destroy the flexible tube members of the proportioning pump, other pump means, as the previously mentioned pump l2, is employed for pumping these destructive fluids.
  • Pump l2 is interposed in ilexible tubing line i8 and is provided with an outlet tube 58 which is connected to tube member 2G by coupling ⁇ 60.
  • proportioning pump lll When corrosive or destructive lluids are required to be pumped, as well as innocuous fluids, in proportional quantities, proportioning pump lll will pump through tube member 20 the fluid samples, through tube members 22 air, both innocuous lluids, and other innocuous lluids, such as ethylene glycol, will be pumped through tube member 18, the corrosive or destructive acids or liquid reagents being pumped by pump l2, under the control of proportioning pump lll.
  • Proportioning pump l@ pumps an actuating lluid through tube member 18 to operate pump 12, which will. be more fully understood from the following description. It will be understood that the number of tubes shown in FlG. 1 is for illustrative purposes only and that more or less tubes may be employed as well as additional pumps, similar to pump l2, depending upon the process or analysis involved.
  • pump l2 comprises a rigid cylindrical container or bottle E4, previously mentioned, preferably mad-.e of glass, or other suitable material which is inert to corrosive liuids, having a wide mouth opening 64, at the neck thereof, said neck being provided with the usual threads 66.
  • Bottle 14 contains the liquid reagent or other destructive iluid 63 required to be pumped in i proportional quantities to react with the iluid samples in the process system 42.
  • a pump device Removably mounted on the threaded neck portion of container M is a pump device, generally designated by the reference numeral 68, which is preferably made from a suitable plastic, such as polyethylene.
  • Pump device 63 includes a cap or closure member 7b provided with threads 72 which engage the threads 66 of container 14 when pump device 63 is mounted thereon.
  • the upper part of cap 7G mounts a portion of a tube '71E- to which is mounted, at the lower part thereof,
  • Tube 74 is provided, at the lower end thereof, with a llange 7S to which the upper peripheral edge portion Sii or" bug 75 is fused, by heating, said bag being provided with a seal ring 82 to insure a good connection between said tube and said bag.
  • ri ⁇ he bag 75 is normally evacuated and the upper portion of tube 7e is closed, as at 84, to uc against loss or" vacuum.
  • the bag 76 In order to insure against any significant resistance to movement of actuating fluid from the proportioning pump l@ and to proportioning pump, the bag 76 should be nonetchable and flaccid. ln addition, it is necessary that e bag be chemically inert to the destructive fluids and sag-ents in contact therewith in container ld.
  • Accordbag 76 should be made from a material that is comic'ely insensitive to practically all iluids, er' mples ol' such materials being polyethylene and polytetranouroethylene.
  • cap 7G is also provided with an outlet tube S6 to which is connected the previously mentioned tube member 5S which goes to the processing system 42.
  • Said outlet tube is also preferably made of polyethylene.
  • Tube member 18 is in lluid communication with the interior of bag 76, through a hypodermic needle 88, to Which it is fastened, at one end thereof, the pointed end of said needle piercing the side Wall of tube 74, at 96, as clearly shown in FlG. 2.
  • Tube i8 is supplied with an innocuous fluid, such as ethylene glycol, which has no detrimental etects on the tubing members of the pump, the supply being shown in FlGS. l and 4 as a bottle 92 containing said liquid.
  • the innocuo-us fluid should preferably have a low vapor pressure.
  • the liquid supply in bottle 92 should also be of a type which does not react with the acid or liquid reagent contained in bottle ld. This is important because, during an extended period of operation of pump l2, some of the innocuous liquid which has been pumped into ⁇ bag 7o by proportioning pump itl may, because of the extended time said liquid is in said bag, diffuse through the bag and mix with the acid or liquid reagent in the bottle.
  • Ethylene glycol is a nonlimitative example of ⁇ such a suitable liquid.
  • Bottle 92 is provided with a two-hole stopper 94, the other end of tube 1S passing through one of said holes and being immersed in the innocuous fluid, the other of said holes providing an air vent 93 for the supply bottle 92.
  • Tube member 18 is also provided with a bulb or hand pump 96 which is provided with a stop cock or pinch clamp 98 which may be closed to isolate the hand pump from tube 1S.
  • the container 1d and the pump device 68 will be shipped separately, as shown in FIGS. 5 and 6, the acid or liquid reagent being furnished in said container, said ycontainer having the usual cap lili?. Since bag 76 will be evacuated, the pump device 6? for container 14' will preferably be packed in a receptacle that has been substantially evacuated to aid in the retention of the vacuum in bag 76 during long periods of storing or shipping.
  • Cap lili) is removed from container lll and pump device 63 is screwed on threads 66 of the neck portion of the container, the bag '76 being inserted through the mouth opening 64 of the container into liquid reagent d3.
  • bag 76 provides a iirst or inner chamber for pump i2, the container ld providing a second or outer chamber surrounding and enclosing said inner chamber.
  • pinch clamp 9S on hand pump @o will be opened and the pump and the tube l Will be filled with innocuous liquid, such as ethylene glycol, from supply 92,
  • hypodermic needle 83 may be inserted through the side wall portion ot' tube '74 to connect tube member i8 with the interior of bag 76, said tube then being in iluid communication therewith.
  • bag 76 since bag 76 has been evacuated, there is no air required to be removed therefrom. However, there will be a certain quantity of air contained in bottle ld which is required to be removed prior to any pumping -by proportioning pump l so that liquids introduced into bag 75 will displace or pump an equal quantity of acid or liquid reagent from bottle 14. This air may be easily removed by permitting innocuous Huid from supply bottle 92 to dow, by gravity, into bag 76, the supply bottle being. held in the elevated position shown in HG. 4.
  • positive pumping of uid into bag '76 may be accomplished by manual actuation of bulb 9d.
  • bulb 9d As uid from supply bottle 92. enters bag 76, an equal quantity of iiuid will be displaced or pumped from container i4 so that the liquid reagent in the container will rise and force out any air therein through outlet 86.
  • This manual venting operation may be continued until the liquid level in container 14 rises to the top of outlet 36, at which time all the air will have been vented from the pump.
  • pinch clamp 98 is closed and the roller and sprocket chain assembly is lowered by pivoting7 said assembly about hinged pivot dil whereupon the rollers will engage the flexible tube members of the pump and rest on platen i3 ready for the pumping operation.
  • innocuous tluid from supply bottle 92 will be pumped, by the proportioning pump, through tube member TLS into bag 7-5 of pump l2, wherein an equal quantity of liquid reagent 63, in container iai, will be displaced or pumped therefrom, through outlet 36, into tube member S8, wherein said liquid reagent will join the fluid samples being pumped through tube member Ztl, at coupling 6d.
  • the mixed fluids will be segmentized by the air stream. being pumped by proportioning pump l@ through tube member Z2, said segmentation being accomplished at coupling d wherein a segmented l'luid stream will iiow to the processing system d2 via conduit 52.
  • pump means wherein equal quantities of actuating liquid from a proportioning pump cause equal quantities of liquid in the pump means to be discharged from said pump means and wherein the pumped liquids do not corne in Contact with any of the tubing members of the propo-rtioning pump.
  • the quantity of liquid pumped by pump 12 is proportional to the quantity of Fluids being pumped by the proportioning pump.
  • the aforesaid pumping operation may be continued until bag 76 is iilled with innocuous iiuid so that the bag is in contact with the inner wall surfaces of container 14.
  • This condition of pump i?. is shown in FiG. 3, wherein the pumping operation has been nearly completed and bag 76, which is filled with the innocuous iiuid indicated as 196, is in Contact with the inner wall surfaces of container 14, except at the upper portion thereof.
  • bag 75 should be of the same size as the interior of container ld so that after having been iilled, additional duid attempted to be pumped therein will be resisted by the rigid walls of the container thereby precluding the possibility of breakage of the bag.
  • outlet tube 74 may be cut away, below the closed part 34 thereof, and the liquid in bag 76 may be drained therethrough.
  • pump device o3 may be removed from the pump, washed and stored away until further use is made of the pump, tube member it having been previously disconnected from tube 74.
  • pump device 68 When it is desired to use pump l2 again, pump device 68 may be remounted on container llt and tube member 18 may be reconnected to bag 76 by piercing the side wall of tube 7d, as previously described, by using hypodermic needle 3S. rthe air in bag '76 may be vented through the opening now existing in tube '74 by introducing uid therein from supply bottle 9.2, in the same manner as pre viously described, until the liquid level in bag 76 rises to the opening in tube 7d, wherein said opening may then be closed by a suitable clamp. The air may then be vented from container i4 inthe same manner as previously described in connection with PEG. 4.
  • pump 12 Upon completion of the venting of air from container lid, pump 12 is again ready for pumping operation. To avoid the steps of venting bag 76 and the necessary resealing of tube 7d, the pump device 68 may be discarded when removed from the container 14 and a new pump device may be employed, if desired.
  • each of said couplings having a check valve M4, similar to the one shown in FlG. 7, in the legs of the couplings connecting tube members 22 and 20, respectively.
  • proportioning pump ll is stopped by lifting the assembly or" rollers and sprocket chains o the iiexible tubing members i8, 2b and 22, as shown in FIG. 4, a suction will be created in said tube members due to the release of the pressure of the rollers 24 on these tube members thereby possibly causing destructive liquid reagents to back up into tube member Ztl or 22.
  • tube members it@ and 22 would normally be made from a suitable flexible vinyl plastic, as previously mentioned, which would be adversely aiiected by the destructive liquids in tube members 52 or 58.
  • This adverse condition is avoided by the provision ot' check valves 10din T couplings 54 and 60, coupling 5d being shown in FIG. 7.
  • These T couplings may preferably be made from glass. Accordingly, it will now be impossible for lluid to iiow back from tube member 52 into either tube member 2@ or 22 nor would it be possible for destructive fluids in tube member 53 to ow back into tube member 20.
  • Pumping apparatus comprising first pump means having a plurality of resiliently flexible tube members for pumping a plurality of fluids in proportional quantities, one of said fluids being a liquid, said first pump means having means for progressively corn-.pressing said tube members along their lengths or pumping said fluids respectively, therethrough, second pump means for pumping a liquid, and fluid passage means interconnecting the flexible tube member for the liquid from said first pump means and said second pump means for operating said second pump means under the control of said first pump means so that the quantity of the liquid pumped by said second pump means is the same as the quantity of said liquid pumped by said first pump means whereby the quantities of the fluids pumped by said first and second pump means are proportional.
  • Pumping apparatus comprising first pump means having a plurality of resiliently flexible tube members for pumping a plurality of fluids, respectively, said first pump means having means for progressively compressing said tube members simultaneously along their lengths for pumping said fluids therethrough in proportional quantities, second pump means for pumping a different fluid than said first pump means, and fluid passage means interconnecting said first pump means to said second pump means for oper-ating said second pump means under the control of said first pump means, whereby the quantity of fluid pumped by said second pump means is in proportion to the quantities of the fluids pumped by said first pump means.
  • Pumping apparatus comprising first pump means having a plurality of resiliently flexible tube members for pumping a plurality of fluids, respectively, said first pump 'means having means for progressively compressing said tube members simultaneously along their lengths for pumping said fluids therethrough in proportional quantities, second pump means for pumping a different fluid than said first pump means comprising a container providing a first chamber for said different fluid, means removably fastened to said container to provide a second chamber for said container isolated from said first chamber, and fluid passage means interconnecting one of said flexible tube members of said first pump means to said second chamber for operating said second pump means under the control of said first pump means, whereby the 'quantity of fluid pumped by said second pump means is in proportion to the quantities of the fluids pumped by said first pump means.
  • Pumping apparatus comprising first pump means for pumping one liquid and another fluid simultaneously in proportional quantities, second pump means for pumping a different liquid, and means interconnecting said two pump means for operating said second pump means under the control of said one liquid pumped by said first pump means, said second pump means comprising a rigid container, non-stretchable and flaccid means separating said .container into two chambers, said interconnecting means connecting one of said chambers to said first pump means vfor receiving said one liquid pumped by said first pump means, and outlet means in the other of said chambers for discharging liquid therefrom in quantities equal to the quantity of said one liquid flowing from said first pump means into said one chamber, whereby the quanti- Cil 8 ties of the fluids pumped by said first and second pump means are proportional.
  • Pumping apparatus comprising first pump means for pumping one liquid and another fluid simultaneously in proportional quantities, second pump means for pumping a different liquid, and means interconnecting said two pump means for operating said second pump means under the control of said one liquid pumped by said first pump means, said second pump means comprising a rigid contaner, means separating said container into two chambers, said interconnecting means connecting one of said chambers to said first pump means for receiving liquid pumped by said first pump means, and outlet means in the other of said chambers for discharging liquid therefrom in quantities equal to the quantity of said one liquid llowing from said first pump means into said one chamber, whereby the quantities of the fluids pumped by said first and second pump means are proportional, said separating means being non-stretchable and substantially completely flaccid and freely yieldable to the pressure of said one liquid from said first pump means.
  • Pumping apparatus comprising first pump means having a resiliently flexible tube member for pumping one liquid and means for progressively compressing said tube member along its length for pumping said one liquid therethrough.
  • second pump means for pumping a different liquid comprising a rigid container, non-stretchable and flaccid means separating said container into a first chamber defined by said non-stretchable and flaccid means and a second chamber surrounding said first chamber, liquid passage means interconnecting said flexible tube member and said first chamber to receive said one liquid transmitted through said flexible tube member, and outlet means in said second chamber for discharging said different liquid therefrom in quantities equal to said one liquid flowing from said first pump means into said first chamber.
  • Pumping apparatus comprising first pump means having a resiliently flexible tube member for pumping one liquid and means for progressively compressing said tube vmember along its length for pumping said one liquid therethrough, second pump means for pumping a different liquid comprising a rigid container, means separating said container into a first chamber defined by said nonstretchable and flaccid means and a second chamber surrounding said first chamber, liquid passage means interconnecting said flexible tube member and said first chamber to reecive said one liquid transmitted through said flexible tube member, and outlet means in said second chamber for discharging said different liquid therefrom in quantities equal to said one liquid flowing from said first pump means into said first chamber, said separating means being non-stretchable and substantially completely flaccid and freely yieldable to the pressure of the liquid from said first pump means.
  • Pumping apparatus comprising a nrrportioning pump having a plurality of resiliently flexible tubes for pumping a purality of fluids in proportional quantities through said tubes, respectively, one of said fluids being a liquid and pump means in fluid flow communication with said tube for said liquid to receive pumped liquid from said proportioning pump, said pump means comprising a rigid container, non-stretchable and flaccid means dividing said container into two chambers ⁇ one of said chambers being initially a vacuum, means for interconnecting said one chamber to said one tube for said liquid from said pronortioning pump ⁇ wherebv saidliquid from said one tube is pumped into said one chamber during the operation of said nroportioning pump, said other chamber having outlet means for discharging liquid therefrom in quantities which are equal to the quantities of said pumped liquid flowing into said one chamber. whereby said discharged liquid is pumped through said outlet means in quantities which are in proportion to the quantities of the fluids pumped by said proportioning pump.
  • Pumping apparatus comprising a proportioning pump having a plurality of resiliently ilexible tubes for pumping a plurality of fluids in proportional quantities through said tubes, respectively, one of said fluids being a liquid and pump means in fluid flow communication with said tube for said liquid to receive pumped liquid from said proportioning pump, said pump means comprising a rigid container, non-stretchable and accid means insertable into said container for dividing said container into two chambers, said non-stretchable and iiaccid means being formed of fluid-impervious material and being freely yieldable to the pressure of the pumped liquid from said proportioning pump, one of said chambers being initially a vacuum, means for interconnecting said one chamber to said one tube for said liquid from said proportioning pump, whereby said liquid from said one tube is pumped into said one chamber during the operation of said proportioning pump, said other chamber having outlet means for discharging liquid therefrom in quantities which are equal to the quantities of said pumped liquid ilowing into said one chamber, whereby said discharged
  • Pumping apparatus comprising a proportioning pump having a plurality of resiliently llexible tubes for pumping a plurality of uids in proportional quantities through said tubes, respectively, one of said tluids being a liquid, and pump means in fluid ow communication with one of said tube for said liquid to receive pumped liquid from said proportioning pump, said pump means comprising a rigid container for a liquid and having an opening therein, a pump device removably mounted to said container and having a bag-like receptacle depending therefrom and disposed in said container through said opening to form a rst chamber within said container surrounded by a second chamber formed by said container, said pump device having an outlet opening in liquid ow communication with said second chamber for the passage of liquid from said container and an inlet opening in liquid tlow communication with said first chamber for receiving the liquid pumped through said tube for said liquid from said proportioning pump, said last mentioned tube being connected to said inlet opening, whereby liquid pumped into said bag-like receptacle from said proportion
  • Pumping apparatus comprising a first pump for pumping at least one liquid and another fluid simultaneously in proportional quantities, a second pump for pumping a dilerent liquid, and liquid passage means interconnecting said rst and second pumps for operating said second pump'by said one liquid pumped by said first pump so that the quantity of the liquid pumped by said second pump is the same as the quantity of the liquid pumped by said first pump, whereby the quantitles of the uids pumped by said first and second pumps are proportional.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
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US784123A 1958-12-31 1958-12-31 Pumping apparatus Expired - Lifetime US3072296A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL107228D NL107228C (de) 1958-12-31
US784123A US3072296A (en) 1958-12-31 1958-12-31 Pumping apparatus
GB40546/59A GB920613A (en) 1958-12-31 1959-11-30 Pumping apparatus
FR813603A FR1248167A (fr) 1958-12-31 1959-12-19 Appareil de pompage
BE585934A BE585934A (fr) 1958-12-31 1959-12-22 Appareil de pompage.
CH8241659A CH387457A (de) 1958-12-31 1959-12-28 Einrichtung zur automatischen Behandlung von Flüssigkeiten für Analysen oder andere Zwecke

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US784123A US3072296A (en) 1958-12-31 1958-12-31 Pumping apparatus

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US (1) US3072296A (de)
BE (1) BE585934A (de)
CH (1) CH387457A (de)
FR (1) FR1248167A (de)
GB (1) GB920613A (de)
NL (1) NL107228C (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291151A (en) * 1963-11-06 1966-12-13 Selmer M Loken Fluid exchange system
US3306503A (en) * 1964-12-31 1967-02-28 Bristol Siddeley Engines Ltd Discharging fluid from a container
US3327898A (en) * 1964-10-19 1967-06-27 Bioconsultants Inc Titration means and method
US3343701A (en) * 1965-07-14 1967-09-26 Frank D Mahoney Sealing and exhausting device for containers
US4785974A (en) * 1985-08-26 1988-11-22 The Coca-Cola Company System for serving a pre-mix beverage or making and serving a post-mix beverage in the zero gravity conditions of outer space
US5257917A (en) * 1992-10-02 1993-11-02 Cole-Parmer Instrument Company Peristaltic pump having means for reducing flow pulsation
US20060076362A1 (en) * 2004-10-13 2006-04-13 Masatoshi Masuda Fluid-storing container and fluid discharge device
US20130056497A1 (en) * 2011-09-07 2013-03-07 Gojo Industries, Inc. Wiper foam pump, refill unit & dispenser for same
US20140224844A1 (en) * 2010-02-02 2014-08-14 Diversey, Inc. Liquid dispensng container and method
US9403632B1 (en) * 2013-06-17 2016-08-02 José Luis Marrero Ramos Fluid dispenser
US20190009973A1 (en) * 2017-07-06 2019-01-10 Provensis Limited Canister Device for Producing Sclerosing Foam
US10427927B2 (en) * 2011-05-05 2019-10-01 Leibinger Gmbh Method for filling a container with a liquid

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820517B2 (de) * 1978-05-11 1980-09-18 Sterimed Gesellschaft Fuer Medizinischen Bedarf Mbh, 6600 Saarbruecken Saugflasche zum Absaugen von Sekreten aus Wundhöhlen

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US233570A (en) * 1880-10-19 Marshall b
GB190115158A (en) * 1901-07-26 1902-05-29 Frederic Robert Campbell Improvements in connection with Casks or Receptacles for Beer or other Liquids liable to Damage from Contact with Air.
US1256127A (en) * 1916-08-10 1918-02-12 A E Kibble Pump.
US1939611A (en) * 1932-05-11 1933-12-12 Harry H Purvis Storage and dispensing apparatus for carbon dioxide
US1979605A (en) * 1930-01-28 1934-11-06 Charmat Eugene Method and apparatus for dispensing gas containing beverages and the like
GB429612A (en) * 1933-12-04 1935-06-04 Eric Mayland Francis Improvements in and relating to means for dispensing fluids
AT145716B (de) * 1934-03-06 1936-05-11 Friedrich Ing Mueller Vorrichtung zum Fördern von Flüssigkeiten.
US2063430A (en) * 1935-09-24 1936-12-08 Eugene D Lichtenberg Liquid dispenser
US2283100A (en) * 1941-02-28 1942-05-12 Harry C Shores Pressure regulating attachment for liquid containers
US2333451A (en) * 1941-12-23 1943-11-02 Sussman Philip Marking device
US2466618A (en) * 1945-09-18 1949-04-05 Stocks Ronald Kingsley Pump suitable for moving sludges and the like
US2529937A (en) * 1944-09-02 1950-11-14 Eastman Kodak Co Liquid metering device
US2659516A (en) * 1949-05-25 1953-11-17 William P C Smith Liquid dispenser
US2804018A (en) * 1953-12-17 1957-08-27 Stewart Warner Corp High and low pressure fuel system
US2807213A (en) * 1956-02-27 1957-09-24 Rosen Sidney Filling machine
US2876768A (en) * 1952-12-26 1959-03-10 Howard C Schultz Pressure-vacuum clysis unit

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US233570A (en) * 1880-10-19 Marshall b
GB190115158A (en) * 1901-07-26 1902-05-29 Frederic Robert Campbell Improvements in connection with Casks or Receptacles for Beer or other Liquids liable to Damage from Contact with Air.
US1256127A (en) * 1916-08-10 1918-02-12 A E Kibble Pump.
US1979605A (en) * 1930-01-28 1934-11-06 Charmat Eugene Method and apparatus for dispensing gas containing beverages and the like
US1939611A (en) * 1932-05-11 1933-12-12 Harry H Purvis Storage and dispensing apparatus for carbon dioxide
GB429612A (en) * 1933-12-04 1935-06-04 Eric Mayland Francis Improvements in and relating to means for dispensing fluids
AT145716B (de) * 1934-03-06 1936-05-11 Friedrich Ing Mueller Vorrichtung zum Fördern von Flüssigkeiten.
US2063430A (en) * 1935-09-24 1936-12-08 Eugene D Lichtenberg Liquid dispenser
US2283100A (en) * 1941-02-28 1942-05-12 Harry C Shores Pressure regulating attachment for liquid containers
US2333451A (en) * 1941-12-23 1943-11-02 Sussman Philip Marking device
US2529937A (en) * 1944-09-02 1950-11-14 Eastman Kodak Co Liquid metering device
US2466618A (en) * 1945-09-18 1949-04-05 Stocks Ronald Kingsley Pump suitable for moving sludges and the like
US2659516A (en) * 1949-05-25 1953-11-17 William P C Smith Liquid dispenser
US2876768A (en) * 1952-12-26 1959-03-10 Howard C Schultz Pressure-vacuum clysis unit
US2804018A (en) * 1953-12-17 1957-08-27 Stewart Warner Corp High and low pressure fuel system
US2807213A (en) * 1956-02-27 1957-09-24 Rosen Sidney Filling machine

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291151A (en) * 1963-11-06 1966-12-13 Selmer M Loken Fluid exchange system
US3327898A (en) * 1964-10-19 1967-06-27 Bioconsultants Inc Titration means and method
US3306503A (en) * 1964-12-31 1967-02-28 Bristol Siddeley Engines Ltd Discharging fluid from a container
US3343701A (en) * 1965-07-14 1967-09-26 Frank D Mahoney Sealing and exhausting device for containers
US4785974A (en) * 1985-08-26 1988-11-22 The Coca-Cola Company System for serving a pre-mix beverage or making and serving a post-mix beverage in the zero gravity conditions of outer space
US5257917A (en) * 1992-10-02 1993-11-02 Cole-Parmer Instrument Company Peristaltic pump having means for reducing flow pulsation
US20060076362A1 (en) * 2004-10-13 2006-04-13 Masatoshi Masuda Fluid-storing container and fluid discharge device
EP1647499A1 (de) * 2004-10-13 2006-04-19 Masuda Masatoshi Behälter mit Vorrichtung zur Abgabe von Flüssigkeiten
JP2006137491A (ja) * 2004-10-13 2006-06-01 Katsutoshi Masuda 流動体貯留容器および流動体流出装置
US20140224844A1 (en) * 2010-02-02 2014-08-14 Diversey, Inc. Liquid dispensng container and method
US8998042B2 (en) * 2010-02-02 2015-04-07 Diversey, Inc. Liquid dispensng container and method
US10427927B2 (en) * 2011-05-05 2019-10-01 Leibinger Gmbh Method for filling a container with a liquid
US20130056497A1 (en) * 2011-09-07 2013-03-07 Gojo Industries, Inc. Wiper foam pump, refill unit & dispenser for same
US9403632B1 (en) * 2013-06-17 2016-08-02 José Luis Marrero Ramos Fluid dispenser
US20190009973A1 (en) * 2017-07-06 2019-01-10 Provensis Limited Canister Device for Producing Sclerosing Foam

Also Published As

Publication number Publication date
CH387457A (de) 1965-01-31
NL107228C (de)
BE585934A (fr) 1960-06-22
FR1248167A (fr) 1960-12-09
GB920613A (en) 1963-03-13

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