DE69601290D1 - Kompakte elektrohydraulische Einheit - Google Patents

Kompakte elektrohydraulische Einheit

Info

Publication number
DE69601290D1
DE69601290D1 DE69601290T DE69601290T DE69601290D1 DE 69601290 D1 DE69601290 D1 DE 69601290D1 DE 69601290 T DE69601290 T DE 69601290T DE 69601290 T DE69601290 T DE 69601290T DE 69601290 D1 DE69601290 D1 DE 69601290D1
Authority
DE
Germany
Prior art keywords
hydraulic unit
compact electro
electro
compact
hydraulic
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
DE69601290T
Other languages
English (en)
Other versions
DE69601290T2 (de
DE69601290C5 (de
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.)
ITEKT HPI S.A.S., CHENNEVIERES-SUR-MARNE, FR
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=DE69601290(D1) "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 DE69601290D1 publication Critical patent/DE69601290D1/de
Publication of DE69601290T2 publication Critical patent/DE69601290T2/de
Publication of DE69601290C5 publication Critical patent/DE69601290C5/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
    • 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)
DE69601290T 1995-08-30 1996-07-25 Kompakte elektrohydraulische Einheit Expired - Lifetime DE69601290C5 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9510219A FR2738302B1 (fr) 1995-08-30 1995-08-30 Groupe electro-hydraulique compact
FR9510219 1995-08-30

Publications (3)

Publication Number Publication Date
DE69601290D1 true DE69601290D1 (de) 1999-02-18
DE69601290T2 DE69601290T2 (de) 1999-06-02
DE69601290C5 DE69601290C5 (de) 2010-10-28

Family

ID=9482168

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69601290T Expired - Lifetime DE69601290C5 (de) 1995-08-30 1996-07-25 Kompakte elektrohydraulische Einheit
DE0761970T Pending DE761970T1 (de) 1995-08-30 1996-07-25 Kompakte elektrohydraulische Einheit

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0761970T Pending DE761970T1 (de) 1995-08-30 1996-07-25 Kompakte elektrohydraulische Einheit

Country Status (9)

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

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 (de) 1998-09-18 2003-11-26 Koyo Seiko Co., Ltd. Elektrisch angetriebene Pumpe
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
KR870700121A (ko) * 1985-01-15 1987-03-14 발터어·라이문트 라우에 날개구간형 펌프
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
US5692883A (en) 1997-12-02
EP0761970B1 (de) 1999-01-07
DE69601290T2 (de) 1999-06-02
DE761970T1 (de) 1997-09-11
EP0761970A1 (de) 1997-03-12
FR2738302B1 (fr) 1997-10-10
JP4115548B2 (ja) 2008-07-09
CN1146963A (zh) 1997-04-09
DE69601290C5 (de) 2010-10-28
AR003377A1 (es) 1998-07-08
BR9603535A (pt) 1998-05-12
JPH09105385A (ja) 1997-04-22
FR2738302A1 (fr) 1997-03-07
ES2127609T3 (es) 1999-04-16

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: KOYO - HPI (SAS), CHENNEVIERES SUR MARNE, FR

8328 Change in the person/name/address of the agent

Representative=s name: TERGAU & POHL, 60322 FRANKFURT

8310 Action for declaration of annulment
8327 Change in the person/name/address of the patent owner

Owner name: ITEKT HPI S.A.S., CHENNEVIERES-SUR-MARNE, FR

8312 Partial invalidation
8394 Patent changed during the nullification procedure (changed patent specification reprinted)