DE69939049D1 - Pumpe mit Schalldämpfer - Google Patents

Pumpe mit Schalldämpfer

Info

Publication number
DE69939049D1
DE69939049D1 DE69939049T DE69939049T DE69939049D1 DE 69939049 D1 DE69939049 D1 DE 69939049D1 DE 69939049 T DE69939049 T DE 69939049T DE 69939049 T DE69939049 T DE 69939049T DE 69939049 D1 DE69939049 D1 DE 69939049D1
Authority
DE
Germany
Prior art keywords
silencer
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
DE69939049T
Other languages
English (en)
Inventor
George M Harpole
Michael B Petach
Henry C Sangret
Michael A Jones
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.)
ZF Active Safety and Electronics US LLC
Original Assignee
TRW Automotive US LLC
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 TRW Automotive US LLC filed Critical TRW Automotive US LLC
Application granted granted Critical
Publication of DE69939049D1 publication Critical patent/DE69939049D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/062—Details, component parts
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
DE69939049T 1998-11-23 1999-11-23 Pumpe mit Schalldämpfer Expired - Lifetime DE69939049D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/198,126 US6158983A (en) 1997-04-24 1998-11-23 Pump having muffler for attenuating noise

Publications (1)

Publication Number Publication Date
DE69939049D1 true DE69939049D1 (de) 2008-08-21

Family

ID=22732086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69939049T Expired - Lifetime DE69939049D1 (de) 1998-11-23 1999-11-23 Pumpe mit Schalldämpfer

Country Status (3)

Country Link
US (1) US6158983A (de)
EP (1) EP1004772B1 (de)
DE (1) DE69939049D1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE19942567A1 (de) * 1999-09-07 2001-03-22 Fluidtech Gmbh Vorrichtung zum Pumpen von Fluid
US6568920B2 (en) * 2001-08-21 2003-05-27 Delphi Technologies, Inc. Manifold assembly for a compressor
US6551070B2 (en) * 2001-08-22 2003-04-22 Micropump, Inc., A Unit Of Idex Corporation Devices and methods for noise suppression in pumps
DE20302535U1 (de) * 2003-02-17 2003-06-18 TRW Fahrwerksysteme GmbH & Co. KG, 40547 Düsseldorf Hydraulikpumpe für ein Servolenksystem
DE20302534U1 (de) * 2003-02-17 2003-06-18 TRW Fahrwerksysteme GmbH & Co. KG, 40547 Düsseldorf Motor-Pumpen-Aggregat
KR100524790B1 (ko) * 2003-07-18 2005-10-31 엘지전자 주식회사 밀폐형 회전식 압축기
DE202004009057U1 (de) * 2004-06-08 2004-10-14 Trw Automotive Gmbh Motor/Pumpen-Aggregat
EP1794456A1 (de) * 2004-07-30 2007-06-13 Pulsafeeder, Inc. Nichtmetallische zahnradpumpe mit magnetkupplungsanordnung
JP4576944B2 (ja) * 2004-09-13 2010-11-10 パナソニック株式会社 冷媒圧縮機
US7494328B2 (en) * 2005-07-06 2009-02-24 Visteon Global Technologies, Inc. NVH and gas pulsation reduction in AC compressor
FR2903459B1 (fr) * 2006-07-05 2013-11-15 Jtekt Hpi Pompe a engrenages comportant un dispositif d'amortissement de pulsations d'aspiration de fluide hydraulique
US20080014099A1 (en) * 2006-07-14 2008-01-17 Chun-Chu Chen Han Passage structure for air compressor
CN102808765B (zh) * 2011-06-01 2017-04-05 德昌电机(深圳)有限公司 流体泵送装置
KR101320325B1 (ko) * 2012-01-30 2013-10-23 영신정공 주식회사 완충부를 갖는 기어 타입 조향 펌프
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
WO2018101638A1 (ko) * 2016-11-29 2018-06-07 엘지이노텍 주식회사 커버 조립체, 모터 및 이를 포함하는 전동식 조향장치
DE102017127675B4 (de) * 2017-11-23 2023-03-23 HAWE Altenstadt Holding GmbH Hydraulische Druckversorgungseinheit

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434282A (en) * 1967-03-14 1969-03-25 Dura Corp Safety backup system for power steering
FR2215103A5 (de) * 1973-01-23 1974-08-19 Hydroperfect Int
US4174196A (en) * 1976-07-28 1979-11-13 Hitachi, Ltd. Screw fluid machine
GB2102074B (en) * 1981-07-18 1985-01-30 Dowty Group Services Positive-displacement fluid-machines
HU191726B (en) * 1984-11-29 1987-03-30 Energiagazdalkodasi Intezet Connection arrangement of damping dashpot
DE3542659A1 (de) * 1985-01-15 1986-07-17 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Fluegelzellenpumpe
JP2963519B2 (ja) * 1990-10-11 1999-10-18 豊田工機株式会社 ベーンポンプ
US5320501A (en) * 1991-04-18 1994-06-14 Vickers, Incorporated Electric motor driven hydraulic apparatus with an integrated pump
FR2681647B1 (fr) * 1991-09-24 1995-05-12 Hydroperfect Int Machine hydraulique du type a engrenage a corps flottant.
DE9113962U1 (de) * 1991-11-09 1992-02-27 Wilms, Peter, 4355 Waltrop Schalldämpfer für einen Schraubenverdichter
DE4413515A1 (de) * 1993-05-11 1994-11-17 Barmag Luk Automobiltech Hydraulikpumpe
US5411376A (en) * 1993-12-15 1995-05-02 Walbro Corporation Fuel pump with noise suppression
US5401150A (en) * 1994-02-28 1995-03-28 General Signal Corporation Noise reduced liquid sealed compressor
DK0742872T3 (da) * 1994-11-07 2000-04-17 Hobourn Automotive Ltd Rotationspumpe
FR2735534B1 (fr) * 1995-06-15 1997-08-29 Hydroperfect Int Ensemble moteur electrique et pompe hydraulique a grande compacite
DE19524965A1 (de) * 1995-07-08 1997-01-09 Bosch Gmbh Robert Zahnradmaschine (Pumpe oder Motor)
FR2738302B1 (fr) * 1995-08-30 1997-10-10 Hydroperfect Int Groupe electro-hydraulique compact
US5961309A (en) * 1997-04-24 1999-10-05 Trw Inc. Gear pump with noise attenuation

Also Published As

Publication number Publication date
EP1004772A3 (de) 2002-07-17
US6158983A (en) 2000-12-12
EP1004772B1 (de) 2008-07-09
EP1004772A2 (de) 2000-05-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition