ATE142310T1 - DEVICE FOR REPEATED DISPENSING OF A DEFINED VOLUME OF LIQUID - Google Patents
DEVICE FOR REPEATED DISPENSING OF A DEFINED VOLUME OF LIQUIDInfo
- Publication number
- ATE142310T1 ATE142310T1 AT91910935T AT91910935T ATE142310T1 AT E142310 T1 ATE142310 T1 AT E142310T1 AT 91910935 T AT91910935 T AT 91910935T AT 91910935 T AT91910935 T AT 91910935T AT E142310 T1 ATE142310 T1 AT E142310T1
- Authority
- AT
- Austria
- Prior art keywords
- liquid
- piston pump
- dosing piston
- chamber
- accumulator chamber
- Prior art date
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)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Medicines Containing Plant Substances (AREA)
- Steroid Compounds (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
An apparatus for delivering measured liquid volumes comprises a dosing piston pump (13) having an outlet (53/54) for the measured liquid volumes, and a liquid accumulating device (12) including an accumulator chamber (17) having an inlet for liquid to be dispensed. The accumulator chamber (17) communicates with the pump chamber (30) of the dosing piston pump through a transfer passage (31) having a valve (14) for controlling the transfer of liquid from the accumulator chamber to the pump chamber. The accumulator chamber (17) is expandable to accommodate constantly inflowing liquid through the inlet when the transfer passage (31) is blocked and is contractable as a result of the displacement of a movable wall member (18) so as when the transfer passage is open to transfer accumulated liquid to the dosing piston pump while inflowing liquid flows direct to the dosing piston pump.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9002050A SE9002050L (en) | 1990-06-07 | 1990-06-07 | Dosing pump |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE142310T1 true ATE142310T1 (en) | 1996-09-15 |
Family
ID=20379713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT91910935T ATE142310T1 (en) | 1990-06-07 | 1991-06-07 | DEVICE FOR REPEATED DISPENSING OF A DEFINED VOLUME OF LIQUID |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0592411B1 (en) |
JP (1) | JPH05507780A (en) |
AT (1) | ATE142310T1 (en) |
AU (1) | AU660279B2 (en) |
BR (1) | BR9106635A (en) |
CA (1) | CA2084675A1 (en) |
DE (1) | DE69121913T2 (en) |
DK (1) | DK0592411T3 (en) |
NO (1) | NO924631L (en) |
SE (2) | SE9002050L (en) |
WO (1) | WO1991019099A1 (en) |
Families Citing this family (5)
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 |
AU4686600A (en) * | 1999-04-27 | 2000-11-10 | Michael C. Johnson | Dispensing machine with portion control |
EP1757807A1 (en) * | 2005-08-24 | 2007-02-28 | Mario Voland | Micrometering system |
US9217427B2 (en) | 2007-03-16 | 2015-12-22 | Robert Bosch Packaging Technology, Inc. | Disposable positive displacement dosing system |
US9249796B2 (en) | 2007-03-16 | 2016-02-02 | Robert Bosch Packaging Technology, Inc. | Disposable positive displacement dosing pump |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE8504362D0 (en) * | 1985-09-20 | 1985-09-20 | Astra Tech Ab | PUMP WITH CONTINUOUS INFLUENCE AND PULSATIVE OUTflow |
SE9002051L (en) * | 1990-06-07 | 1992-01-07 | Astra Tech Ab | VALVE DEVICE AND SUPPLY PUMP |
-
1990
- 1990-06-07 SE SE9002050A patent/SE9002050L/en not_active Application Discontinuation
-
1991
- 1991-06-07 DE DE69121913T patent/DE69121913T2/en not_active Expired - Fee Related
- 1991-06-07 WO PCT/SE1991/000411 patent/WO1991019099A1/en active IP Right Grant
- 1991-06-07 BR BR919106635A patent/BR9106635A/en not_active IP Right Cessation
- 1991-06-07 DK DK91910935.5T patent/DK0592411T3/da active
- 1991-06-07 JP JP91510795A patent/JPH05507780A/en active Pending
- 1991-06-07 EP EP91910935A patent/EP0592411B1/en not_active Expired - Lifetime
- 1991-06-07 SE SE9101745A patent/SE9101745L/en not_active Application Discontinuation
- 1991-06-07 CA CA002084675A patent/CA2084675A1/en not_active Abandoned
- 1991-06-07 AU AU80968/91A patent/AU660279B2/en not_active Ceased
- 1991-06-07 AT AT91910935T patent/ATE142310T1/en not_active IP Right Cessation
-
1992
- 1992-12-01 NO NO92924631A patent/NO924631L/en unknown
Also Published As
Publication number | Publication date |
---|---|
DK0592411T3 (en) | 1997-02-24 |
SE9101745L (en) | 1991-12-08 |
CA2084675A1 (en) | 1991-12-08 |
AU8096891A (en) | 1991-12-31 |
EP0592411B1 (en) | 1996-09-04 |
AU660279B2 (en) | 1995-06-22 |
BR9106635A (en) | 1993-06-08 |
DE69121913D1 (en) | 1996-10-10 |
DE69121913T2 (en) | 1997-04-03 |
SE9101745D0 (en) | 1991-06-07 |
JPH05507780A (en) | 1993-11-04 |
SE9002050L (en) | 1992-01-07 |
SE9002050D0 (en) | 1990-06-07 |
NO924631D0 (en) | 1992-12-01 |
WO1991019099A1 (en) | 1991-12-12 |
NO924631L (en) | 1992-12-01 |
EP0592411A1 (en) | 1994-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |