CN100526646C - 油泵 - Google Patents

油泵 Download PDF

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Publication number
CN100526646C
CN100526646C CNB2004100947281A CN200410094728A CN100526646C CN 100526646 C CN100526646 C CN 100526646C CN B2004100947281 A CNB2004100947281 A CN B2004100947281A CN 200410094728 A CN200410094728 A CN 200410094728A CN 100526646 C CN100526646 C CN 100526646C
Authority
CN
China
Prior art keywords
oil
pump
oil pocket
oil pump
floss hole
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 - Fee Related
Application number
CNB2004100947281A
Other languages
English (en)
Chinese (zh)
Other versions
CN1637295A (zh
Inventor
大西秀明
渡边靖
盛田正二
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of CN1637295A publication Critical patent/CN1637295A/zh
Application granted granted Critical
Publication of CN100526646C publication Critical patent/CN100526646C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F04C15/0049—Equalization of pressure pulses
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/086—Carter
    • 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
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
CNB2004100947281A 2003-11-17 2004-11-17 油泵 Expired - Fee Related CN100526646C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP386128/2003 2003-11-17
JP2003386128A JP4328184B2 (ja) 2003-11-17 2003-11-17 オイルポンプ

Publications (2)

Publication Number Publication Date
CN1637295A CN1637295A (zh) 2005-07-13
CN100526646C true CN100526646C (zh) 2009-08-12

Family

ID=34567398

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100947281A Expired - Fee Related CN100526646C (zh) 2003-11-17 2004-11-17 油泵

Country Status (3)

Country Link
US (1) US7361002B2 (https=)
JP (1) JP4328184B2 (https=)
CN (1) CN100526646C (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005146994A (ja) * 2003-11-17 2005-06-09 Hitachi Ltd オイルポンプ
JP4755456B2 (ja) * 2005-07-08 2011-08-24 日立オートモティブシステムズ株式会社 オイルポンプ
JP4347859B2 (ja) * 2006-03-24 2009-10-21 本田技研工業株式会社 オイルポンプ
JP4593505B2 (ja) * 2006-03-29 2010-12-08 本田技研工業株式会社 オイル脈動圧低減構造が設けられた機械
JP4426542B2 (ja) * 2006-03-30 2010-03-03 株式会社山田製作所 リリーフバルブ
JP2007278183A (ja) * 2006-04-07 2007-10-25 Hitachi Ltd オイルポンプ
JP5468487B2 (ja) * 2010-07-26 2014-04-09 日立オートモティブシステムズ株式会社 オイルポンプ
KR101262559B1 (ko) * 2011-06-09 2013-05-08 현대자동차주식회사 엔진 오일펌프
EP3105456B1 (en) * 2014-02-14 2018-12-12 Starrotor Corporation Improved performance of gerotor compressors and expanders
CN107476842B (zh) * 2016-08-29 2019-12-20 北汽福田汽车股份有限公司 一种机油泵驱动结构、汽车发动机及车辆
GB201614962D0 (en) * 2016-09-02 2016-10-19 Thermofluidics Ltd Suction Pumps
JP2021085405A (ja) * 2019-11-29 2021-06-03 株式会社アイシン オイルポンプ

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887960A (en) * 1955-11-23 1959-05-26 Tobias Jordan Automatic hydraulic transmission
US4233003A (en) * 1978-10-10 1980-11-11 Jeng Wang Shing Rotary pump
US4408968A (en) * 1980-03-12 1983-10-11 Nippon Soken, Inc. Rotary compressor
US4752195A (en) * 1985-01-15 1988-06-21 Zahnradfabrik Friedrichshafen, Ag. Rotary vane type of pump with elongated damping chambers
US5362220A (en) * 1993-02-22 1994-11-08 Unisia Jecs Corporation Rotor-type oil pump
US6544021B2 (en) * 2000-11-09 2003-04-08 Unisia Jecs Corporation Oil pump
CN1414246A (zh) * 2001-10-25 2003-04-30 京三电机株式会社 用于车辆的电动型燃料泵

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0243482U (https=) 1988-09-19 1990-03-26
US6974315B2 (en) * 2003-02-18 2005-12-13 Harley-Davidson Motor Company Group, Inc. Reduced friction gerotor
US7637725B2 (en) * 2004-10-25 2009-12-29 Ford Global Technologies Variable output gerotor pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887960A (en) * 1955-11-23 1959-05-26 Tobias Jordan Automatic hydraulic transmission
US4233003A (en) * 1978-10-10 1980-11-11 Jeng Wang Shing Rotary pump
US4408968A (en) * 1980-03-12 1983-10-11 Nippon Soken, Inc. Rotary compressor
US4752195A (en) * 1985-01-15 1988-06-21 Zahnradfabrik Friedrichshafen, Ag. Rotary vane type of pump with elongated damping chambers
US5362220A (en) * 1993-02-22 1994-11-08 Unisia Jecs Corporation Rotor-type oil pump
US6544021B2 (en) * 2000-11-09 2003-04-08 Unisia Jecs Corporation Oil pump
CN1414246A (zh) * 2001-10-25 2003-04-30 京三电机株式会社 用于车辆的电动型燃料泵

Also Published As

Publication number Publication date
US7361002B2 (en) 2008-04-22
CN1637295A (zh) 2005-07-13
US20050106053A1 (en) 2005-05-19
JP2005146995A (ja) 2005-06-09
JP4328184B2 (ja) 2009-09-09

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090812

Termination date: 20201117