EP0817916A4 - Multiple piston pump - Google Patents

Multiple piston pump

Info

Publication number
EP0817916A4
EP0817916A4 EP96910484A EP96910484A EP0817916A4 EP 0817916 A4 EP0817916 A4 EP 0817916A4 EP 96910484 A EP96910484 A EP 96910484A EP 96910484 A EP96910484 A EP 96910484A EP 0817916 A4 EP0817916 A4 EP 0817916A4
Authority
EP
European Patent Office
Prior art keywords
piston pump
multiple piston
pump
piston
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.)
Withdrawn
Application number
EP96910484A
Other languages
German (de)
French (fr)
Other versions
EP0817916A1 (en
Inventor
Carl D Beckett
Kevin D O'hara
Daniel B Olsen
Steven E Soar
Glenn E Siemer
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.)
Micropump Inc
Original Assignee
Micropump Inc
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 Micropump Inc filed Critical Micropump Inc
Publication of EP0817916A1 publication Critical patent/EP0817916A1/en
Publication of EP0817916A4 publication Critical patent/EP0817916A4/en
Withdrawn legal-status Critical Current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
    • 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
    • F04B11/0058—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control
    • F04B11/0066—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons with piston speed control with special shape of the actuating element
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B1/141—Details or component parts
    • F04B1/146—Swash plates; Actuating elements
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B1/18—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having self-acting distribution members, i.e. actuated by working fluid
EP96910484A 1995-03-20 1996-03-20 Multiple piston pump Withdrawn EP0817916A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US406399 1989-09-12
US40639995A 1995-03-20 1995-03-20
PCT/US1996/003777 WO1996029515A1 (en) 1995-03-20 1996-03-20 Multiple piston pump

Publications (2)

Publication Number Publication Date
EP0817916A1 EP0817916A1 (en) 1998-01-14
EP0817916A4 true EP0817916A4 (en) 2000-05-24

Family

ID=23607820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96910484A Withdrawn EP0817916A4 (en) 1995-03-20 1996-03-20 Multiple piston pump

Country Status (4)

Country Link
EP (1) EP0817916A4 (en)
JP (1) JPH11502581A (en)
CA (1) CA2213194C (en)
WO (1) WO1996029515A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0976927A3 (en) * 1998-07-27 2000-10-04 Walu Labortechnik GmbH Metering or titrating device, especially burette
US6514569B1 (en) * 2000-01-14 2003-02-04 Kenneth Crouch Variable volume positive displacement dispensing system and method
JP2001263580A (en) * 2000-03-21 2001-09-26 Lube Corp Micro discharge pump device
DE60018183D1 (en) * 2000-09-26 2005-03-24 Nu Image Packaging Clwyd Ltd A Device for dispensing liquids
KR100920359B1 (en) * 2008-04-03 2009-10-20 다이킨 고교 가부시키가이샤 Piston pump
JP4268658B1 (en) * 2008-04-03 2009-05-27 ダイキン工業株式会社 Piston pump
EP2189658B1 (en) * 2008-11-24 2017-11-22 Delphi International Operations Luxembourg S.à r.l. Fluid Pump Assembly
WO2012022924A1 (en) 2010-08-17 2012-02-23 Artemis Intelligent Power Limited Fluid-working machine with multi-lobe ring cam
GB2484890A (en) 2010-08-17 2012-05-02 Artemis Intelligent Power Ltd Ring cam ensuring smooth follower handover between segments
CN103104432A (en) * 2013-02-28 2013-05-15 上海舜宇恒平科学仪器有限公司 Liquid chromatograph constant flow pump
KR101408943B1 (en) * 2013-03-04 2014-06-17 안동대학교 산학협력단 Plunger pump
KR101408963B1 (en) * 2013-03-07 2014-06-17 안동대학교 산학협력단 Plunger pump

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB161403A (en) * 1920-02-25 1921-04-14 John Fanning Improvements in pumping machinery
DE515359C (en) * 1929-07-05 1931-01-02 Feinmaschb G M B H Pump, especially spinning pump, for viscous liquids with parallel pistons arranged in a circle
DE818607C (en) * 1949-09-04 1951-10-25 Karl Schrader Multi-cylinder piston pump
US2969810A (en) * 1955-12-27 1961-01-31 Edward C Dudley Wobble plate pump
FR1522530A (en) * 1967-03-17 1968-04-26 Hydrostatic Balancing Pump
DD258446A1 (en) * 1987-03-16 1988-07-20 Orsta Hydraulik Veb K axial piston

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2010377A (en) 1930-12-26 1935-08-06 Cincinnati Milling Machine Co Hydraulic power unit
US2600099A (en) * 1944-08-05 1952-06-10 Detrez Rene Valve device
US2458294A (en) * 1945-01-17 1949-01-04 Lenious G Parker Oil distributing system
US3702143A (en) * 1971-08-30 1972-11-07 Norman L Van Wagenen Kidney valve for fluid motor and other uses
US3816029A (en) 1972-10-03 1974-06-11 Duriron Co Pumping unit for constant pulseless flow
GB1481043A (en) 1974-06-10 1977-07-27 Paterson Candy Int Non-pulsing pumping apparatus
US4359312A (en) 1978-08-15 1982-11-16 Zumtobel Kg Reciprocating pump for the pulsation-free delivery of a liquid
US4705458A (en) 1982-07-30 1987-11-10 Bellofram Corporation Fluid operated pump
US4556371A (en) 1983-07-18 1985-12-03 Fmc Corporation Constant flow positive displacement pump
US4687426A (en) 1984-07-31 1987-08-18 Fuji Techno Kogyo Kabushiki Kaisha Constant volume pulsation-free reciprocating pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB161403A (en) * 1920-02-25 1921-04-14 John Fanning Improvements in pumping machinery
DE515359C (en) * 1929-07-05 1931-01-02 Feinmaschb G M B H Pump, especially spinning pump, for viscous liquids with parallel pistons arranged in a circle
DE818607C (en) * 1949-09-04 1951-10-25 Karl Schrader Multi-cylinder piston pump
US2969810A (en) * 1955-12-27 1961-01-31 Edward C Dudley Wobble plate pump
FR1522530A (en) * 1967-03-17 1968-04-26 Hydrostatic Balancing Pump
DD258446A1 (en) * 1987-03-16 1988-07-20 Orsta Hydraulik Veb K axial piston

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9629515A1 *

Also Published As

Publication number Publication date
CA2213194C (en) 2004-07-13
JPH11502581A (en) 1999-03-02
CA2213194A1 (en) 1996-09-26
WO1996029515A1 (en) 1996-09-26
EP0817916A1 (en) 1998-01-14

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Legal Events

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