ES2127609T3 - Grupo electrohidraulico compacto. - Google Patents

Grupo electrohidraulico compacto.

Info

Publication number
ES2127609T3
ES2127609T3 ES96401657T ES96401657T ES2127609T3 ES 2127609 T3 ES2127609 T3 ES 2127609T3 ES 96401657 T ES96401657 T ES 96401657T ES 96401657 T ES96401657 T ES 96401657T ES 2127609 T3 ES2127609 T3 ES 2127609T3
Authority
ES
Spain
Prior art keywords
group
pump
caves
pump body
compact
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
ES96401657T
Other languages
English (en)
Inventor
H Jean-Yves Ollivier Vourc
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.)
Hydroperfect International Inc
Original Assignee
Hydroperfect International 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9482168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2127609(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hydroperfect International Inc filed Critical Hydroperfect International Inc
Application granted granted Critical
Publication of ES2127609T3 publication Critical patent/ES2127609T3/es
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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • 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
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • F04C15/0049—Equalization of pressure pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Hydraulic Motors (AREA)

Abstract

GRUPO ELECTROHIDRAULICO COMPACTO EN EL QUE UN MOTOR ELECTRICO (1) ARRASTRA UNA BOMBA HIDRAULICA (2) CUYO CUERPO DE BOMBA (12) LLEVA CAVIDADES DE AMORTIGUAMIENTO (36) DE LAS ONDAS SONORAS QUE RODEAN PARCIALMENTE AL MENOS LA CAVIDAD (11) QUE CONTIENE LOS PIÑONES (9, 10) DE LA BOMBA, CARACTERIZADO PORQUE AL MENOS ALGUNAS DE LAS CAVIDADES COMUNICAN POR UN CARA LATERAL DEL CUERPO DE BOMBA (12) CON UNA CAMARA (19) DE UNA TAPA (18) QUE LLEVA A UN RACOR (42) DEL CIRCUITO DE UTILIZACION (44).
ES96401657T 1995-08-30 1996-07-25 Grupo electrohidraulico compacto. Expired - Lifetime ES2127609T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9510219A FR2738302B1 (fr) 1995-08-30 1995-08-30 Groupe electro-hydraulique compact

Publications (1)

Publication Number Publication Date
ES2127609T3 true ES2127609T3 (es) 1999-04-16

Family

ID=9482168

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96401657T Expired - Lifetime ES2127609T3 (es) 1995-08-30 1996-07-25 Grupo electrohidraulico compacto.

Country Status (9)

Country Link
US (1) US5692883A (es)
EP (1) EP0761970B1 (es)
JP (1) JP4115548B2 (es)
CN (1) CN1146963A (es)
AR (1) AR003377A1 (es)
BR (1) BR9603535A (es)
DE (2) DE69601290C5 (es)
ES (1) ES2127609T3 (es)
FR (1) FR2738302B1 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3667034B2 (ja) * 1996-07-17 2005-07-06 光洋精工株式会社 電動ポンプ
US6158983A (en) * 1997-04-24 2000-12-12 Trw Inc. Pump having muffler for attenuating noise
US5961309A (en) * 1997-04-24 1999-10-05 Trw Inc. Gear pump with noise attenuation
DE19833372A1 (de) * 1998-07-24 2000-01-27 Zahnradfabrik Friedrichshafen Zahnradpumpe
EP0987439B1 (en) 1998-09-18 2003-11-26 Koyo Seiko Co., Ltd. Electric motor driven pump
FR2789446B1 (fr) † 1999-02-04 2002-03-08 Hydroperfect Internat Hpi Pompe hydraulique du type a engrenage et groupe electro-pompe equipe d'une telle pompe
US6305919B1 (en) * 1999-08-24 2001-10-23 Visteon Global Technologies, Inc. Hydraulic pump housing with an integral dampener chamber
US6419042B1 (en) 2000-10-03 2002-07-16 Trw Inc. Integrated electric power hydraulic steering system
US7124775B2 (en) * 2003-02-05 2006-10-24 Neng-Chao Chang Micro pump device with liquid tank
DE102004021885B4 (de) * 2004-05-04 2009-10-01 Zf Lenksysteme Gmbh Rotations-Hydropumpe
DE202005006414U1 (de) * 2005-04-21 2005-08-04 Trw Automotive Gmbh Motor-Pumpen-Aggregat, insbesondere für eine Fahrzeug-Servolenkung
US8122867B2 (en) * 2008-11-17 2012-02-28 GM Global Technology Operations LLC Engine with oil pump muffler and noise damper
DE102014221378B3 (de) * 2014-10-21 2015-09-24 Magna Powertrain Bad Homburg GmbH Vorrichtung zur Druckkompensation
CN107867323B (zh) * 2016-09-28 2019-11-22 比亚迪股份有限公司 电机油泵总成、转向系统和车辆
CN106438341B (zh) * 2016-10-21 2018-11-02 珠海格力电器股份有限公司 泵

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121529A (en) * 1962-05-02 1964-02-18 Polysius Gmbh Blower
US4174196A (en) * 1976-07-28 1979-11-13 Hitachi, Ltd. Screw fluid machine
GB2036873B (en) * 1978-12-01 1983-02-09 South Western Ind Res Silencing fluid pumps and motors
DE2922731A1 (de) * 1979-06-05 1980-12-18 Bosch Gmbh Robert Kraftstoff-foerderaggregat
GB2102074B (en) * 1981-07-18 1985-01-30 Dowty Group Services Positive-displacement fluid-machines
FR2522734B1 (fr) * 1982-03-04 1986-11-21 Hydroperfect Int Groupe electro-hydraulique et son application a l'assistance de dispositifs de direction, de freinage, de suspension et analogues, en particulier pour vehicules
FR2522824A1 (fr) * 1982-03-05 1983-09-09 Commissariat Energie Atomique Dispositif pour appliquer des signaux logiques de test a deux etats sur une entree d'un circuit logique et application aux tests automatiques d'une pluralite de circuits logiques
JPS603293U (ja) * 1983-06-21 1985-01-11 三菱電機株式会社 ポンプ装置
JPS6088886A (ja) * 1983-10-21 1985-05-18 Hitachi Ltd 燃料供給ポンプ
US4752195A (en) * 1985-01-15 1988-06-21 Zahnradfabrik Friedrichshafen, Ag. Rotary vane type of pump with elongated damping chambers
US5320501A (en) * 1991-04-18 1994-06-14 Vickers, Incorporated Electric motor driven hydraulic apparatus with an integrated pump
US5401150A (en) * 1994-02-28 1995-03-28 General Signal Corporation Noise reduced liquid sealed compressor
US5507151A (en) * 1995-02-16 1996-04-16 American Standard Inc. Noise reduction in screw compressor-based refrigeration systems

Also Published As

Publication number Publication date
BR9603535A (pt) 1998-05-12
DE69601290T2 (de) 1999-06-02
DE69601290D1 (de) 1999-02-18
DE761970T1 (de) 1997-09-11
US5692883A (en) 1997-12-02
FR2738302B1 (fr) 1997-10-10
JP4115548B2 (ja) 2008-07-09
CN1146963A (zh) 1997-04-09
AR003377A1 (es) 1998-07-08
EP0761970B1 (fr) 1999-01-07
FR2738302A1 (fr) 1997-03-07
JPH09105385A (ja) 1997-04-22
DE69601290C5 (de) 2010-10-28
EP0761970A1 (fr) 1997-03-12

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