DE3766245D1 - Zahnradpumpe oder -motor fuer fluide. - Google Patents

Zahnradpumpe oder -motor fuer fluide.

Info

Publication number
DE3766245D1
DE3766245D1 DE8787106040T DE3766245T DE3766245D1 DE 3766245 D1 DE3766245 D1 DE 3766245D1 DE 8787106040 T DE8787106040 T DE 8787106040T DE 3766245 T DE3766245 T DE 3766245T DE 3766245 D1 DE3766245 D1 DE 3766245D1
Authority
DE
Germany
Prior art keywords
fluide
motor
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.)
Expired - Lifetime
Application number
DE8787106040T
Other languages
English (en)
Inventor
Horst Weidhaas
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.)
Haldex Hydraulics GmbH
Original Assignee
Vickers Systems 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 Vickers Systems GmbH filed Critical Vickers Systems GmbH
Application granted granted Critical
Publication of DE3766245D1 publication Critical patent/DE3766245D1/de
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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
DE8787106040T 1987-04-24 1987-04-24 Zahnradpumpe oder -motor fuer fluide. Expired - Lifetime DE3766245D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP87106040A EP0287698B1 (de) 1987-04-24 1987-04-24 Zahnradpumpe oder -motor für Fluide

Publications (1)

Publication Number Publication Date
DE3766245D1 true DE3766245D1 (de) 1990-12-20

Family

ID=8196942

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787106040T Expired - Lifetime DE3766245D1 (de) 1987-04-24 1987-04-24 Zahnradpumpe oder -motor fuer fluide.

Country Status (3)

Country Link
US (1) US4830592A (de)
EP (1) EP0287698B1 (de)
DE (1) DE3766245D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5022837A (en) * 1989-11-13 1991-06-11 Sta-Rite Industries, Inc. Seal arrangement for a gear machine
DE4209980A1 (de) * 1992-03-27 1993-09-30 Bosch Gmbh Robert Reversierbare Zahnradmaschine
US6152715A (en) * 1998-01-30 2000-11-28 Kaempe; Staffan I. Pressure clamped hydraulic pump
US6210138B1 (en) * 1999-07-08 2001-04-03 Tuthill Pump Group, A Subsidiary Of Tuthill Corporation Rotary pump apparatus and method
GB0114434D0 (en) * 2001-06-14 2001-08-08 Lucas Industries Ltd Bearing arrangement
DE20302535U1 (de) * 2003-02-17 2003-06-18 TRW Fahrwerksysteme GmbH & Co. KG, 40547 Düsseldorf Hydraulikpumpe für ein Servolenksystem
US9217430B2 (en) * 2011-01-06 2015-12-22 Eaton Corporation Semi-plugged star gerotor and method of assembling the same
WO2015026850A1 (en) * 2013-08-19 2015-02-26 Purdue Research Foundation Miniature high pressure pump and electrical hydraulic actuation system
US10000895B2 (en) 2016-10-06 2018-06-19 Caterpillar Inc. Rotating hydraulic gear motor
WO2021030710A1 (en) * 2019-08-14 2021-02-18 Viking Pump, Inc. High pressure pumping system
US11680567B1 (en) * 2020-02-27 2023-06-20 Parker-Hannifin Corporation Hydraulic gear pump with axial compensation
US11624361B1 (en) * 2022-02-16 2023-04-11 Caterpillar Inc. Anchored low pressure gear pump wear plate

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1216737A (fr) * 1958-02-28 1960-04-27 Bosch Gmbh Robert Machine hydraulique, notamment pompe à engrenages à haute pression
US3348492A (en) * 1966-12-05 1967-10-24 Borg Warner Reversible wear plate pump
US3371615A (en) * 1967-01-16 1968-03-05 Borg Warner Pressure loaded pump
DE2403319A1 (de) * 1974-01-24 1975-07-31 Bosch Gmbh Robert Zahnradmaschine
US4242066A (en) * 1978-08-24 1980-12-30 Commercial Shearing, Inc. Rotary pumps and motors and thrust plates therefor
GB2051241B (en) * 1979-06-16 1983-03-16 Dowty Hydraulic Units Ltd Rotary positive-displacement fluid-pressure machines
DE3217753A1 (de) * 1982-05-12 1983-11-17 Robert Bosch Gmbh, 7000 Stuttgart Reversierbare zahnradmaschine (pumpe oder motor)
FR2543229B1 (fr) * 1983-03-22 1985-08-16 Hydroperfect Int Dispositif pour la compensation hydrostatique de pompes et moteurs hydrauliques du type a engrenage
GB8415879D0 (en) * 1984-06-21 1984-07-25 Dowty Hydraulic Units Ltd Rotary positive displacement fluid-pressure machines
FR2585083B1 (fr) * 1985-07-16 1989-09-01 Hydroperfect Internal Hpi Dispositif a action hydraulique pure pour la compensation hydrostatique de pompes et moteurs hydrauliques du type a engrenage

Also Published As

Publication number Publication date
US4830592A (en) 1989-05-16
EP0287698B1 (de) 1990-11-14
EP0287698A1 (de) 1988-10-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: JOHN S. BARNES GMBH, 8670 HOF, DE

8327 Change in the person/name/address of the patent owner

Owner name: HALDEX BARNES GMBH, 95028 HOF, DE