EP0231429A3 - Gear pump - Google Patents

Gear pump Download PDF

Info

Publication number
EP0231429A3
EP0231429A3 EP86111453A EP86111453A EP0231429A3 EP 0231429 A3 EP0231429 A3 EP 0231429A3 EP 86111453 A EP86111453 A EP 86111453A EP 86111453 A EP86111453 A EP 86111453A EP 0231429 A3 EP0231429 A3 EP 0231429A3
Authority
EP
European Patent Office
Prior art keywords
gear pump
gear
pump
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.)
Granted
Application number
EP86111453A
Other languages
German (de)
Other versions
EP0231429B1 (en
EP0231429A2 (en
Inventor
Kurt Sickinger
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.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive GmbH
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 Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Publication of EP0231429A2 publication Critical patent/EP0231429A2/en
Publication of EP0231429A3 publication Critical patent/EP0231429A3/en
Application granted granted Critical
Publication of EP0231429B1 publication Critical patent/EP0231429B1/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/04Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for reversible machines or pumps
EP86111453A 1985-12-09 1986-08-19 Gear pump Expired EP0231429B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853543488 DE3543488A1 (en) 1985-12-09 1985-12-09 GEAR PUMP
DE3543488 1985-12-09

Publications (3)

Publication Number Publication Date
EP0231429A2 EP0231429A2 (en) 1987-08-12
EP0231429A3 true EP0231429A3 (en) 1987-11-19
EP0231429B1 EP0231429B1 (en) 1988-12-28

Family

ID=6288025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86111453A Expired EP0231429B1 (en) 1985-12-09 1986-08-19 Gear pump

Country Status (4)

Country Link
US (1) US4743180A (en)
EP (1) EP0231429B1 (en)
JP (1) JPS62142881A (en)
DE (1) DE3543488A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214987B (en) * 1988-02-05 1992-09-30 Petter Refrigeration Ltd Reversible unidirectional flow gear pump.
US5085187A (en) * 1991-03-11 1992-02-04 Chrysler Corporation Integral engine oil pump and pressure regulator
HU217275B (en) * 1994-02-24 1999-12-28 Rába Rt. Reverser closing slide-valve pump mainly for circulating of lubricant of driving devices
US5655983A (en) * 1995-04-28 1997-08-12 Dana Corporation Hydromechanical system for limiting differential speed between differentially rotating members
US5702319A (en) * 1995-10-13 1997-12-30 Dana Corporation Hydromechanical system for limiting differential speed between differentially rotating members
US5711408A (en) * 1996-05-09 1998-01-27 Dana Corporation Reversible gerotor pump
GB2342396B (en) * 1998-08-15 2002-04-24 Lucas Ind Plc Pumps
US6702703B2 (en) 2001-01-18 2004-03-09 Dana Corporation Lubrication pump for inter-axle differential
DE102014115548A1 (en) 2014-10-27 2016-04-28 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Internal gear pump and pumping method
DE102015112664C5 (en) 2015-07-31 2022-11-17 Ebm-Papst St. Georgen Gmbh & Co. Kg gerotor pump
DE102016121240A1 (en) * 2016-11-07 2018-05-09 Nidec Gpm Gmbh Electric gerotor pump and method of making same
CN110578685A (en) * 2019-10-21 2019-12-17 中车戚墅堰机车车辆工艺研究所有限公司 Transfer pump, gear box, vehicle and ship

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583839A (en) * 1969-08-20 1971-06-08 Emerson Electric Co Automatic distortion control for gear type pumps and motors
DE2742821A1 (en) * 1977-09-23 1979-03-29 Zahnradfabrik Friedrichshafen GEAR PUMP WITH CONSTANT CONVEYOR DIRECTION WHEN CHANGING DRIVE DIRECTION
US4171192A (en) * 1978-05-05 1979-10-16 Thermo King Corporation Eccentric positioning means for a reversible pump
US4193746A (en) * 1978-02-16 1980-03-18 Westinghouse Electric Corp. Reversible gerotor pump
DE2936066A1 (en) * 1978-09-12 1980-03-20 Concentric Pumps Ltd Gear pump with gear ring rotating in eccentric bush - has stops limiting its rotation and friction elements between ring and bush
US4222719A (en) * 1979-01-02 1980-09-16 Thermo King Corporation Reversible unidirectional fluid flow pump
EP0115559A1 (en) * 1983-01-21 1984-08-15 Victor Joseph Specht Variable capacity gear pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118387A (en) * 1964-01-21 Reveksible gear pump
DE1553281A1 (en) * 1963-04-30 1969-09-25 Zahnradfabrik Friedrichshafen Capsule plant, especially wheel capsule plant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583839A (en) * 1969-08-20 1971-06-08 Emerson Electric Co Automatic distortion control for gear type pumps and motors
DE2742821A1 (en) * 1977-09-23 1979-03-29 Zahnradfabrik Friedrichshafen GEAR PUMP WITH CONSTANT CONVEYOR DIRECTION WHEN CHANGING DRIVE DIRECTION
US4193746A (en) * 1978-02-16 1980-03-18 Westinghouse Electric Corp. Reversible gerotor pump
US4171192A (en) * 1978-05-05 1979-10-16 Thermo King Corporation Eccentric positioning means for a reversible pump
DE2936066A1 (en) * 1978-09-12 1980-03-20 Concentric Pumps Ltd Gear pump with gear ring rotating in eccentric bush - has stops limiting its rotation and friction elements between ring and bush
US4222719A (en) * 1979-01-02 1980-09-16 Thermo King Corporation Reversible unidirectional fluid flow pump
EP0115559A1 (en) * 1983-01-21 1984-08-15 Victor Joseph Specht Variable capacity gear pump

Also Published As

Publication number Publication date
US4743180A (en) 1988-05-10
DE3543488A1 (en) 1987-06-11
JPS62142881A (en) 1987-06-26
EP0231429B1 (en) 1988-12-28
EP0231429A2 (en) 1987-08-12
DE3543488C2 (en) 1989-04-13

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