JP4328184B2 - オイルポンプ - Google Patents

オイルポンプ Download PDF

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Publication number
JP4328184B2
JP4328184B2 JP2003386128A JP2003386128A JP4328184B2 JP 4328184 B2 JP4328184 B2 JP 4328184B2 JP 2003386128 A JP2003386128 A JP 2003386128A JP 2003386128 A JP2003386128 A JP 2003386128A JP 4328184 B2 JP4328184 B2 JP 4328184B2
Authority
JP
Japan
Prior art keywords
oil
discharge port
oil chamber
communication hole
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 - Fee Related
Application number
JP2003386128A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005146995A (ja
JP2005146995A5 (https=
Inventor
秀明 大西
靖 渡辺
正二 盛田
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
Priority to JP2003386128A priority Critical patent/JP4328184B2/ja
Priority to US10/985,898 priority patent/US7361002B2/en
Priority to CNB2004100947281A priority patent/CN100526646C/zh
Publication of JP2005146995A publication Critical patent/JP2005146995A/ja
Publication of JP2005146995A5 publication Critical patent/JP2005146995A5/ja
Application granted granted Critical
Publication of JP4328184B2 publication Critical patent/JP4328184B2/ja
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)
JP2003386128A 2003-11-17 2003-11-17 オイルポンプ Expired - Fee Related JP4328184B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003386128A JP4328184B2 (ja) 2003-11-17 2003-11-17 オイルポンプ
US10/985,898 US7361002B2 (en) 2003-11-17 2004-11-12 Oil pump
CNB2004100947281A CN100526646C (zh) 2003-11-17 2004-11-17 油泵

Applications Claiming Priority (1)

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

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2008183297A Division JP2008248893A (ja) 2008-07-15 2008-07-15 オイルポンプ
JP2009069309A Division JP4933577B2 (ja) 2009-03-23 2009-03-23 オイルポンプ

Publications (3)

Publication Number Publication Date
JP2005146995A JP2005146995A (ja) 2005-06-09
JP2005146995A5 JP2005146995A5 (https=) 2008-08-28
JP4328184B2 true JP4328184B2 (ja) 2009-09-09

Family

ID=34567398

Family Applications (1)

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

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

Family Cites Families (10)

* 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
JPS56129795A (en) * 1980-03-12 1981-10-12 Nippon Soken Inc Rotary compressor
DE3542659A1 (de) * 1985-01-15 1986-07-17 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Fluegelzellenpumpe
JPH0243482U (https=) 1988-09-19 1990-03-26
JP3155642B2 (ja) * 1993-02-22 2001-04-16 株式会社ユニシアジェックス 内接型オイルポンプ
JP3943826B2 (ja) * 2000-11-09 2007-07-11 株式会社日立製作所 オイルポンプ
US6739850B2 (en) * 2001-10-25 2004-05-25 Kyosan Denki Co., Ltd. Motor-type fuel pump for vehicle
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

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
CN100526646C (zh) 2009-08-12

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