DE69121913D1 - Vorrichtung zur wiederholten abgabe eines definierten flüssigkeitsvolumes - Google Patents

Vorrichtung zur wiederholten abgabe eines definierten flüssigkeitsvolumes

Info

Publication number
DE69121913D1
DE69121913D1 DE69121913T DE69121913T DE69121913D1 DE 69121913 D1 DE69121913 D1 DE 69121913D1 DE 69121913 T DE69121913 T DE 69121913T DE 69121913 T DE69121913 T DE 69121913T DE 69121913 D1 DE69121913 D1 DE 69121913D1
Authority
DE
Germany
Prior art keywords
liquid
piston pump
dosing piston
chamber
accumulator chamber
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 - Fee Related
Application number
DE69121913T
Other languages
English (en)
Other versions
DE69121913T2 (de
Inventor
Stig Lundbaeck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Humanteknik AB
Original Assignee
Humanteknik AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Humanteknik AB filed Critical Humanteknik AB
Application granted granted Critical
Publication of DE69121913D1 publication Critical patent/DE69121913D1/de
Publication of DE69121913T2 publication Critical patent/DE69121913T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/021—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms the plate-like flexible member is pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the plane of the plate-like flexible member and each having its own driving mechanism
    • 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
    • F04B11/0075—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons connected in series
    • 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
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • External Artificial Organs (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Steroid Compounds (AREA)
DE69121913T 1990-06-07 1991-06-07 Vorrichtung zur wiederholten abgabe eines definierten flüssigkeitsvolumes Expired - Fee Related DE69121913T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9002050A SE9002050L (sv) 1990-06-07 1990-06-07 Doseringspump
PCT/SE1991/000411 WO1991019099A1 (en) 1990-06-07 1991-06-07 Apparatus for repetitively dispensing a measured volume of liquid

Publications (2)

Publication Number Publication Date
DE69121913D1 true DE69121913D1 (de) 1996-10-10
DE69121913T2 DE69121913T2 (de) 1997-04-03

Family

ID=20379713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121913T Expired - Fee Related DE69121913T2 (de) 1990-06-07 1991-06-07 Vorrichtung zur wiederholten abgabe eines definierten flüssigkeitsvolumes

Country Status (11)

Country Link
EP (1) EP0592411B1 (de)
JP (1) JPH05507780A (de)
AT (1) ATE142310T1 (de)
AU (1) AU660279B2 (de)
BR (1) BR9106635A (de)
CA (1) CA2084675A1 (de)
DE (1) DE69121913T2 (de)
DK (1) DK0592411T3 (de)
NO (1) NO924631D0 (de)
SE (2) SE9002050L (de)
WO (1) WO1991019099A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9023552D0 (en) * 1990-10-30 1990-12-12 Domino Printing Sciences Plc A two-stage pump for a continuous ink jet printer
WO2000064770A2 (en) * 1999-04-27 2000-11-02 Stumler Irvin H Dispensing machine with portion control
EP1757807A1 (de) * 2005-08-24 2007-02-28 Mario Voland Mikrodosiersystem
US9249796B2 (en) 2007-03-16 2016-02-02 Robert Bosch Packaging Technology, Inc. Disposable positive displacement dosing pump
US9217427B2 (en) 2007-03-16 2015-12-22 Robert Bosch Packaging Technology, Inc. Disposable positive displacement dosing system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8504362D0 (sv) * 1985-09-20 1985-09-20 Astra Tech Ab Pump med kontinuerligt inflode och pulsativt utflode
SE9002051L (sv) * 1990-06-07 1992-01-07 Astra Tech Ab Ventilanordning och foertraengningspump

Also Published As

Publication number Publication date
EP0592411B1 (de) 1996-09-04
CA2084675A1 (en) 1991-12-08
SE9101745L (sv) 1991-12-08
DE69121913T2 (de) 1997-04-03
WO1991019099A1 (en) 1991-12-12
NO924631L (no) 1992-12-01
AU8096891A (en) 1991-12-31
ATE142310T1 (de) 1996-09-15
EP0592411A1 (de) 1994-04-20
AU660279B2 (en) 1995-06-22
JPH05507780A (ja) 1993-11-04
SE9101745D0 (sv) 1991-06-07
BR9106635A (pt) 1993-06-08
DK0592411T3 (de) 1997-02-24
SE9002050L (sv) 1992-01-07
SE9002050D0 (sv) 1990-06-07
NO924631D0 (no) 1992-12-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee