FR2922274B1 - Agencement de pompe hydraulique a engrenage externe et pourvue de moyens d'isolation acoustique - Google Patents

Agencement de pompe hydraulique a engrenage externe et pourvue de moyens d'isolation acoustique

Info

Publication number
FR2922274B1
FR2922274B1 FR0758289A FR0758289A FR2922274B1 FR 2922274 B1 FR2922274 B1 FR 2922274B1 FR 0758289 A FR0758289 A FR 0758289A FR 0758289 A FR0758289 A FR 0758289A FR 2922274 B1 FR2922274 B1 FR 2922274B1
Authority
FR
France
Prior art keywords
hydraulic pump
external gear
pump arrangement
acoustic insulation
acoustic
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.)
Active
Application number
FR0758289A
Other languages
English (en)
Other versions
FR2922274A1 (fr
Inventor
Francois Fischer
Laurent Graissaguel
Nicaise Lesther
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.)
JTEKT Europe SAS
Original Assignee
JTEKT HPI SAS
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 JTEKT HPI SAS filed Critical JTEKT HPI SAS
Priority to FR0758289A priority Critical patent/FR2922274B1/fr
Priority to EP08105497.5A priority patent/EP2048362B1/fr
Priority to US12/247,313 priority patent/US8133037B2/en
Publication of FR2922274A1 publication Critical patent/FR2922274A1/fr
Application granted granted Critical
Publication of FR2922274B1 publication Critical patent/FR2922274B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/12—Vibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
FR0758289A 2007-10-12 2007-10-12 Agencement de pompe hydraulique a engrenage externe et pourvue de moyens d'isolation acoustique Active FR2922274B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0758289A FR2922274B1 (fr) 2007-10-12 2007-10-12 Agencement de pompe hydraulique a engrenage externe et pourvue de moyens d'isolation acoustique
EP08105497.5A EP2048362B1 (fr) 2007-10-12 2008-10-06 Pompe hydraulique à engrenage externe et pourvue de moyens d'isolation acoustique
US12/247,313 US8133037B2 (en) 2007-10-12 2008-10-08 External gear hydraulic pump with acoustical insulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0758289A FR2922274B1 (fr) 2007-10-12 2007-10-12 Agencement de pompe hydraulique a engrenage externe et pourvue de moyens d'isolation acoustique

Publications (2)

Publication Number Publication Date
FR2922274A1 FR2922274A1 (fr) 2009-04-17
FR2922274B1 true FR2922274B1 (fr) 2009-12-04

Family

ID=39473248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0758289A Active FR2922274B1 (fr) 2007-10-12 2007-10-12 Agencement de pompe hydraulique a engrenage externe et pourvue de moyens d'isolation acoustique

Country Status (3)

Country Link
US (1) US8133037B2 (fr)
EP (1) EP2048362B1 (fr)
FR (1) FR2922274B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102017127675B4 (de) * 2017-11-23 2023-03-23 HAWE Altenstadt Holding GmbH Hydraulische Druckversorgungseinheit
US20230220840A1 (en) * 2022-01-11 2023-07-13 Gd Energy Products, Llc Sealing assembly with repositionable seal

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1425193A (en) * 1973-05-09 1976-02-18 Boc International Ltd Rotary compressors
US4093406A (en) * 1976-08-25 1978-06-06 Applied Power Inc. Fluid operated hydraulic pump including noise reduction means
DE4203619C2 (de) * 1992-02-07 1996-07-25 Rexroth Mannesmann Gmbh Hydrauliksystem
DE4416449A1 (de) * 1994-05-10 1995-11-16 Rexroth Mannesmann Gmbh Baueinheit aus einer Hydromaschine (Hydropumpe oder Hydromotor) und einem Träger
JP3667034B2 (ja) * 1996-07-17 2005-07-06 光洋精工株式会社 電動ポンプ
DE59802006D1 (de) * 1997-02-05 2001-12-13 Hoerbiger Hydraulik Hydraulisches Motorpumpenaggregat
EP0987439B1 (fr) * 1998-09-18 2003-11-26 Koyo Seiko Co., Ltd. Pompe entraínée par un moteur électrique
US6309187B1 (en) * 1999-03-17 2001-10-30 Visteon Global Technologies, Inc. Hydraulic gear pump power pack for a power steering system with an integral pressure wave attenuator for fluid noise reduction
US6305919B1 (en) * 1999-08-24 2001-10-23 Visteon Global Technologies, Inc. Hydraulic pump housing with an integral dampener chamber
JP2005133584A (ja) * 2003-10-29 2005-05-26 Hitachi Home & Life Solutions Inc 密閉形圧縮機
DE102004044070B3 (de) * 2004-09-11 2006-01-19 Pierburg Gmbh Unwuchtausgleichselement, Pumpe und Verfahren zum Auswuchten einer Pumpe
US7743694B2 (en) * 2004-11-20 2010-06-29 Lik Fahrzeug-Hydraulik GmbH & Co. KG Axial piston machine
FR2897399B1 (fr) * 2006-02-16 2013-11-15 Jtekt Hpi Pompe hydraulique, notamment de groupe electro-pompe en particulier pour la direction assistee de vehicule automobile

Also Published As

Publication number Publication date
EP2048362A3 (fr) 2013-05-08
EP2048362A2 (fr) 2009-04-15
FR2922274A1 (fr) 2009-04-17
US20090097992A1 (en) 2009-04-16
US8133037B2 (en) 2012-03-13
EP2048362B1 (fr) 2014-12-24

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