CA2229056C - Regulation de la pression de sortie pour pompe a engrenage interieur - Google Patents

Regulation de la pression de sortie pour pompe a engrenage interieur Download PDF

Info

Publication number
CA2229056C
CA2229056C CA002229056A CA2229056A CA2229056C CA 2229056 C CA2229056 C CA 2229056C CA 002229056 A CA002229056 A CA 002229056A CA 2229056 A CA2229056 A CA 2229056A CA 2229056 C CA2229056 C CA 2229056C
Authority
CA
Canada
Prior art keywords
valve
outlets
discharge
pump
exhaust
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 - Lifetime
Application number
CA002229056A
Other languages
English (en)
Other versions
CA2229056A1 (fr
Inventor
Eric Cozens
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.)
Stackpole International Engineered Products Ltd
Original Assignee
Stackpole Ltd
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 Stackpole Ltd filed Critical Stackpole Ltd
Publication of CA2229056A1 publication Critical patent/CA2229056A1/fr
Application granted granted Critical
Publication of CA2229056C publication Critical patent/CA2229056C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/10—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C14/12—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
  • Multiple-Way Valves (AREA)
CA002229056A 1995-08-14 1995-08-14 Regulation de la pression de sortie pour pompe a engrenage interieur Expired - Lifetime CA2229056C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA1995/000481 WO1997007337A1 (fr) 1995-08-14 1995-08-14 Regulation de la pression de sortie pour pompe a engrenage interieur

Publications (2)

Publication Number Publication Date
CA2229056A1 CA2229056A1 (fr) 1997-02-27
CA2229056C true CA2229056C (fr) 2002-07-02

Family

ID=4173104

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002229056A Expired - Lifetime CA2229056C (fr) 1995-08-14 1995-08-14 Regulation de la pression de sortie pour pompe a engrenage interieur

Country Status (7)

Country Link
EP (1) EP0845080B1 (fr)
JP (1) JPH11510871A (fr)
AT (1) ATE197729T1 (fr)
AU (1) AU3159795A (fr)
CA (1) CA2229056C (fr)
DE (1) DE69519482D1 (fr)
WO (1) WO1997007337A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983109A (en) 1997-02-03 1999-11-09 Northern Telecom Limited Method and apparatus for using advanced positioning systems in cellular communications networks
US6113360A (en) * 1998-07-27 2000-09-05 Ford Motor Company Gerotor pump
DE102012207259A1 (de) * 2012-05-02 2013-11-07 Robert Bosch Gmbh Innenzahnradpumpe
JP6491514B2 (ja) * 2015-03-30 2019-03-27 株式会社Ｓｕｂａｒｕ オイルポンプ
JP6487749B2 (ja) * 2015-03-30 2019-03-20 株式会社Ｓｕｂａｒｕ オイルポンプ
CN109469528A (zh) * 2018-12-28 2019-03-15 杭州电子科技大学 一种变排量内转子式机油泵
US11795948B2 (en) 2022-01-21 2023-10-24 Hamilton Sundstrand Corporation Stacked gerotor pump pressure pulsation reduction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022551A (en) * 1972-06-13 1977-05-10 Aikoh Co., Ltd. Variable capacity type gear pump
GB2038931B (en) * 1978-12-13 1982-12-22 Hobourn Eaton Ltd Positive displacement pump systems
US4750867A (en) * 1985-05-09 1988-06-14 Siegfried Hertell Regulating pump
DE3824398C2 (de) * 1987-07-23 1993-11-18 Barmag Barmer Maschf Schmierölpumpe
DE3913414A1 (de) * 1989-04-24 1990-10-25 Walter Schopf Mehrkreis-regelpumpe
JPH05263770A (ja) * 1992-03-24 1993-10-12 Unisia Jecs Corp オイルポンプ

Also Published As

Publication number Publication date
ATE197729T1 (de) 2000-12-15
JPH11510871A (ja) 1999-09-21
EP0845080B1 (fr) 2000-11-22
CA2229056A1 (fr) 1997-02-27
DE69519482D1 (de) 2000-12-28
AU3159795A (en) 1997-03-12
WO1997007337A1 (fr) 1997-02-27
EP0845080A1 (fr) 1998-06-03

Similar Documents

Publication Publication Date Title
US5722815A (en) Three stage self regulating gerotor pump
EP0785361B1 (fr) Appareil de pompe à huile
US8297943B2 (en) Pump control using overpressure source
US5490770A (en) Vane pump having vane pressurizing grooves
US20080247894A1 (en) Vane Pump Using Line Pressure to Directly Regulate Displacement
US3778198A (en) Meshing rotary piston machine with an internal shaft
JPH05507993A (ja) ラジアルピストン流体装置及び／又は調整自在ロータ
EP0681653B1 (fr) Pompe hydraulique cyclique
US3953153A (en) Multiple displacement pump system and method
CA2229056C (fr) Regulation de la pression de sortie pour pompe a engrenage interieur
JPH05263770A (ja) オイルポンプ
US20120328463A1 (en) Split discharge vane pump and fluid metering system therefor
GB1170090A (en) An improved piston pump.
US3788770A (en) Fluid pump with flow control means
US6672850B2 (en) Torque control oil pump with low parasitic loss and rapid pressure transient response
JPS63235680A (ja) 可変出力型オイルポンプ
US4405288A (en) Variable displacement hydraulic pump and controls therefor
US4522565A (en) Steering gear control valve for variable displacement pump
JP3371709B2 (ja) オイルポンプ装置
JP3608688B2 (ja) オイルポンプ装置
US5211544A (en) Hydraulic pump
US4850814A (en) Hydraulic gear pump
JPS5958186A (ja) パワ−ステアリング用可変容量形ポンプ
EP1252443A1 (fr) Pompe a palettes pour fluide hydraulique
MXPA98001204A (en) Output pressure control for an inte engine pump

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20150814