CN101379296B - 变排量变压叶片泵系统 - Google Patents
变排量变压叶片泵系统 Download PDFInfo
- Publication number
- CN101379296B CN101379296B CN2007800041974A CN200780004197A CN101379296B CN 101379296 B CN101379296 B CN 101379296B CN 2007800041974 A CN2007800041974 A CN 2007800041974A CN 200780004197 A CN200780004197 A CN 200780004197A CN 101379296 B CN101379296 B CN 101379296B
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- CN
- China
- Prior art keywords
- control
- pump
- slider
- control mechanism
- vane 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.)
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Links
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Classifications
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- 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
- F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C2/04—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of internal axis type
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
- F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
- F04C14/226—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam by pivoting the cam around an eccentric axis
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- 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
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
- F01M2001/0238—Rotary pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Rotary Pumps (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76372006P | 2006-01-31 | 2006-01-31 | |
US60/763,720 | 2006-01-31 | ||
PCT/CA2007/000118 WO2007087704A1 (en) | 2006-01-31 | 2007-01-31 | Variable displacement variable pressure vane pump system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101379296A CN101379296A (zh) | 2009-03-04 |
CN101379296B true CN101379296B (zh) | 2011-05-18 |
Family
ID=38327100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800041974A Active CN101379296B (zh) | 2006-01-31 | 2007-01-31 | 变排量变压叶片泵系统 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8444395B2 (zh) |
EP (1) | EP1979616B1 (zh) |
KR (1) | KR101320789B1 (zh) |
CN (1) | CN101379296B (zh) |
CA (1) | CA2637454C (zh) |
WO (1) | WO2007087704A1 (zh) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3165769B1 (en) | 2004-12-22 | 2018-12-12 | Magna Powertrain Inc. | Method of operating a variable capacity pump |
US9181803B2 (en) | 2004-12-22 | 2015-11-10 | Magna Powertrain Inc. | Vane pump with multiple control chambers |
FR2927942A1 (fr) * | 2008-02-25 | 2009-08-28 | Peugeot Citroen Automobiles Sa | Circuit de lubrification et pompe associee. |
CN103541898B (zh) * | 2008-04-25 | 2015-11-18 | 麦格纳动力系有限公司 | 具有增强的排出口的变排量叶片泵 |
JP5174720B2 (ja) | 2009-03-09 | 2013-04-03 | 日立オートモティブシステムズ株式会社 | 可変容量形ポンプ |
WO2012013232A1 (en) | 2010-07-29 | 2012-02-02 | Pierburg Pump Technology Gmbh | Variable-displacement lubricant vane pump |
KR101218457B1 (ko) * | 2010-10-18 | 2013-01-04 | 명화공업주식회사 | 오일펌프 |
KR101534878B1 (ko) * | 2010-12-01 | 2015-07-07 | 현대자동차주식회사 | 가변오일펌프 |
GB2486017B (en) * | 2010-12-02 | 2016-03-23 | Gm Global Tech Operations Inc | Lubrication circuit layout |
JP5278779B2 (ja) * | 2010-12-21 | 2013-09-04 | アイシン精機株式会社 | オイルポンプ |
JP5564450B2 (ja) * | 2011-02-17 | 2014-07-30 | 日立オートモティブシステムズ株式会社 | オイルポンプ |
WO2012113437A1 (en) | 2011-02-21 | 2012-08-30 | Pierburg Pump Technology Gmbh | A variable displacement lubricant pump with a pressure control valve having a preload control arrangement |
JP5950583B2 (ja) * | 2011-03-27 | 2016-07-13 | 株式会社山田製作所 | ポンプ装置 |
JP5620882B2 (ja) * | 2011-05-23 | 2014-11-05 | 日立オートモティブシステムズ株式会社 | 可変容量形ポンプ |
KR101339241B1 (ko) * | 2011-12-09 | 2013-12-09 | 현대자동차 주식회사 | 가변 베인 오일 펌프 제어회로 |
JP5688003B2 (ja) * | 2011-12-21 | 2015-03-25 | 日立オートモティブシステムズ株式会社 | 可変容量形オイルポンプ |
CN102537631A (zh) * | 2011-12-22 | 2012-07-04 | 湖南机油泵股份有限公司 | 一种变排量机油泵的三通式变量滑块控制结构 |
WO2013130497A1 (en) * | 2012-02-27 | 2013-09-06 | Magna Powertrain Of America, Inc. | Electric motor -driven pump |
JP6071121B2 (ja) * | 2012-03-19 | 2017-02-01 | Kyb株式会社 | 可変容量型ベーンポンプ |
CN103363279B (zh) * | 2012-04-05 | 2016-09-07 | 同济大学 | 一种步进电机控制的叶片式无级变量机油泵 |
WO2014038302A1 (ja) * | 2012-09-07 | 2014-03-13 | 日立オートモティブシステムズ株式会社 | 可変容量形オイルポンプ及びこれを用いたオイル供給システム |
KR101382073B1 (ko) * | 2012-09-28 | 2014-04-04 | 영신정공 주식회사 | 엔진 오일용 가변 베인 펌프 |
KR20140045183A (ko) * | 2012-10-08 | 2014-04-16 | 현대자동차주식회사 | 차량용 자동변속기의 유압공급시스템 |
JP5993291B2 (ja) * | 2012-11-27 | 2016-09-14 | 日立オートモティブシステムズ株式会社 | 可変容量形ポンプ |
DE102012112879B4 (de) * | 2012-12-21 | 2014-08-07 | Pierburg Gmbh | Ventilvorrichtung für einen Hydraulikkreislauf sowie Ölpumpenregelanordnung |
US9109597B2 (en) | 2013-01-15 | 2015-08-18 | Stackpole International Engineered Products Ltd | Variable displacement pump with multiple pressure chambers where a circumferential extent of a first portion of a first chamber is greater than a second portion |
JP5960616B2 (ja) * | 2013-01-21 | 2016-08-02 | トヨタ自動車株式会社 | 可変容量形オイルポンプ |
WO2014146675A1 (en) * | 2013-03-18 | 2014-09-25 | Pierburg Pump Technology Gmbh | Lubricant vane pump |
JP6177610B2 (ja) * | 2013-07-17 | 2017-08-09 | 日立オートモティブシステムズ株式会社 | 可変容量形ポンプ |
JP6165019B2 (ja) | 2013-10-21 | 2017-07-19 | 日立オートモティブシステムズ株式会社 | ベーンポンプ |
EP3071836B1 (en) * | 2013-11-21 | 2019-01-09 | Pierburg Pump Technology GmbH | Variable displacement lubricant pump |
CN103671093B (zh) * | 2013-12-05 | 2016-03-09 | 宁波圣龙汽车动力系统股份有限公司 | 一种变排量叶片泵 |
WO2015090311A1 (de) * | 2013-12-18 | 2015-06-25 | Schaeffler Technologies AG & Co. KG | Verstellpumpe |
KR101548432B1 (ko) | 2013-12-19 | 2015-08-28 | 영신정공 주식회사 | 가변 베인 펌프 |
KR101582615B1 (ko) * | 2013-12-19 | 2016-01-05 | 영신정공 주식회사 | 가변 베인 펌프 |
CN103742774B (zh) * | 2013-12-26 | 2017-02-08 | 东风汽车公司 | 具有泄压槽的变排量机油泵 |
US9874209B2 (en) * | 2014-02-11 | 2018-01-23 | Magna Powertrain Bad Homburg GmbH | Variable displacement transmission pump and controller with adaptive control |
JP6289943B2 (ja) * | 2014-03-10 | 2018-03-07 | 日立オートモティブシステムズ株式会社 | 可変容量形ポンプ |
CN103821580B (zh) * | 2014-03-12 | 2017-02-01 | 湖南机油泵股份有限公司 | 一种可变排量机油泵的变量控制方法及系统 |
KR101505775B1 (ko) * | 2014-04-15 | 2015-03-26 | 명화공업주식회사 | 하나의 챔버와 2방 밸브를 이용한 2단 가변 오일펌프 |
CN104047667B (zh) * | 2014-06-06 | 2016-08-31 | 湖南机油泵股份有限公司 | 一种单作用腔泵出口反馈可变排量叶片泵的控制系统 |
US9771935B2 (en) | 2014-09-04 | 2017-09-26 | Stackpole International Engineered Products, Ltd. | Variable displacement vane pump with thermo-compensation |
WO2016059490A1 (en) | 2014-10-15 | 2016-04-21 | Vhit S.P.A. | Control system and method for controlling a positive displacement pump |
JP6375212B2 (ja) * | 2014-11-26 | 2018-08-15 | Kyb株式会社 | 可変容量型ベーンポンプ |
CN104612967B (zh) * | 2014-12-01 | 2017-01-25 | 宁波圣龙汽车动力系统股份有限公司 | 可变排量机油泵控制回路 |
KR101637757B1 (ko) * | 2014-12-03 | 2016-07-07 | 현대자동차주식회사 | 오일공급압조절 타입 비례제어 가변오일펌프 및 이를 적용한 상용차량 엔진 |
US9534519B2 (en) | 2014-12-31 | 2017-01-03 | Stackpole International Engineered Products, Ltd. | Variable displacement vane pump with integrated fail safe function |
US10030656B2 (en) | 2014-12-31 | 2018-07-24 | Stackpole International Engineered Products, Ltd. | Variable displacement vane pump with integrated fail safe function |
CN104595679A (zh) * | 2015-01-28 | 2015-05-06 | 宁波圣龙汽车动力系统股份有限公司 | 压力控制的全程可变排量机油泵 |
KR101680646B1 (ko) | 2015-03-17 | 2016-11-30 | 명화공업주식회사 | 가변식 베인펌프 |
KR101691061B1 (ko) | 2015-04-02 | 2016-12-30 | 명화공업주식회사 | 밸브 조립체 및 이를 구비한 가변오일펌프 시스템 |
JP6622809B2 (ja) * | 2015-08-10 | 2019-12-18 | 日立オートモティブシステムズ株式会社 | 可変容量形オイルポンプ |
US10443457B2 (en) * | 2015-12-11 | 2019-10-15 | Miguel Alfonso POTOLICCHIO | Lubrication control in internal combustion engines |
CN105736366B (zh) * | 2016-04-20 | 2018-01-23 | 周丹丹 | 一种油路压力控制装置及其控制方法 |
US10253772B2 (en) | 2016-05-12 | 2019-04-09 | Stackpole International Engineered Products, Ltd. | Pump with control system including a control system for directing delivery of pressurized lubricant |
GB2558916B (en) * | 2017-01-19 | 2020-09-16 | Ford Global Tech Llc | A variable displacement oil pump including a filter for use in a motor vehicle |
JP6917517B2 (ja) | 2017-08-03 | 2021-08-11 | ピエルブルグ ポンプ テクノロジー ゲーエムベーハーPierburg Pump Technology Gmbh | 可変容量潤滑油ベーンポンプ |
DE102018206450A1 (de) * | 2018-04-26 | 2019-10-31 | Volkswagen Aktiengesellschaft | Ölpumpenanordnung für ein Kraftfahrzeug und Verfahren zur Regelung einer Ölpumpe |
CN109139176B (zh) * | 2018-10-23 | 2024-01-19 | 湖南机油泵股份有限公司 | 一种基于定排量机油泵的压力控制系统 |
JP2022529922A (ja) * | 2019-04-23 | 2022-06-27 | スタックポール インターナショナル エンジニアード プロダクツ,リミテッド. | 制御チャンバのための改良されたシールアセンブリを備えるベーンポンプ |
JP2022533946A (ja) | 2019-05-20 | 2022-07-27 | スタックポール インターナショナル エンジニアード プロダクツ,リミテッド. | 可変型ベーンポンプで使用されるスプールバルブ |
CN110529720A (zh) * | 2019-09-26 | 2019-12-03 | 淄博九洲润滑科技有限公司 | 一种全密封式润滑接力泵 |
DE102019215830A1 (de) * | 2019-10-15 | 2021-04-15 | Robert Bosch Gmbh | Verdrängerpumpe und Verfahren zum Betreiben einer Verdrängerpumpe |
KR102404110B1 (ko) * | 2020-09-09 | 2022-06-02 | 한온시스템이에프피코리아 주식회사 | 펌프 |
CN114215744B (zh) * | 2021-12-28 | 2023-04-07 | 湖南机油泵股份有限公司 | 采用滑阀和开关电磁阀联合控制的两级变量机油泵及系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4072443A (en) * | 1975-10-04 | 1978-02-07 | Lucas Industries Limited | Control valve arrangements for variable stroke pumps |
JP2863590B2 (ja) * | 1990-03-20 | 1999-03-03 | トーヨーエイテック株式会社 | 可変容量型ベーンポンプ |
US6619928B2 (en) * | 2000-12-15 | 2003-09-16 | Unisia Jkc Steering Systems Co., Ltd. | Variable displacement pump |
US6976830B2 (en) * | 2001-08-31 | 2005-12-20 | Unisia Jkc Steering Systems Co., Ltd. | Variable displacement pump |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3656869A (en) | 1970-04-02 | 1972-04-18 | Ford Motor Co | Variable displacement hydraulic pump |
US4342545A (en) | 1978-07-24 | 1982-08-03 | General Motors Corporation | Variable displacement pump |
JPS56143383A (en) | 1980-04-09 | 1981-11-09 | Nissan Motor Co Ltd | Variable-capacity vane pump |
US4510962A (en) * | 1983-06-30 | 1985-04-16 | Borg-Warner Corporation | Precise pressure regulator for a variable output pump |
JPS6035192A (ja) * | 1983-08-04 | 1985-02-22 | Nissan Motor Co Ltd | 可変容量型ベ−ンポンプ |
JPS61142373A (ja) * | 1984-12-13 | 1986-06-30 | Nippon Denso Co Ltd | 可変容量ポンプ |
US4711616A (en) | 1984-12-13 | 1987-12-08 | Nippondenso Co., Ltd. | Control apparatus for a variable displacement pump |
US4711619A (en) * | 1986-11-21 | 1987-12-08 | Colt Industries Inc. | Vane fuel pump having reduced displacement at high speeds |
US4851723A (en) | 1988-08-01 | 1989-07-25 | Westinghouse Electric Corp. | Coolant pump system for variable speed generators |
US5538400A (en) | 1992-12-28 | 1996-07-23 | Jidosha Kiki Co., Ltd. | Variable displacement pump |
DE4319200C1 (de) * | 1993-06-09 | 1994-07-21 | Glyco Metall Werke | Mehrstufenregler für Schmiermittelpumpen mit kontinuierlich veränderbarem Fördervolumen |
JP2932236B2 (ja) | 1994-02-28 | 1999-08-09 | 自動車機器株式会社 | 可変容量形ポンプ |
JPH09273487A (ja) | 1996-04-08 | 1997-10-21 | Jidosha Kiki Co Ltd | 可変容量形ポンプ |
US5876185A (en) | 1996-11-20 | 1999-03-02 | Caterpillar Inc. | Load sensing pump control for a variable displacement pump |
DE19854766A1 (de) | 1998-11-27 | 2000-05-31 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe |
DE19962554C2 (de) | 1999-12-23 | 2002-05-16 | Daimler Chrysler Ag | Regelbare Pumpe |
JP4601764B2 (ja) | 2000-04-18 | 2010-12-22 | 株式会社ショーワ | 可変容量型ポンプ |
WO2002001073A1 (en) * | 2000-06-29 | 2002-01-03 | Tesma International Inc. | Constant flow vane pump |
JP2002147374A (ja) * | 2000-11-13 | 2002-05-22 | Unisia Jecs Corp | 可変容量型ベーンポンプ |
JP3922878B2 (ja) * | 2000-12-04 | 2007-05-30 | 株式会社ジェイテクト | 可変容量形ポンプ |
US6790013B2 (en) * | 2000-12-12 | 2004-09-14 | Borgwarner Inc. | Variable displacement vane pump with variable target regulator |
DE10161131B4 (de) | 2000-12-12 | 2013-11-07 | Slw Automotive Inc. | Flügelpumpe veränderlicher Verdrängung |
US6470992B2 (en) | 2001-04-03 | 2002-10-29 | Visteon Global Technologies, Inc. | Auxiliary solenoid controlled variable displacement power steering pump |
US6558132B2 (en) | 2001-09-24 | 2003-05-06 | General Motors Corporation | Variable displacement pump |
US7726948B2 (en) * | 2002-04-03 | 2010-06-01 | Slw Automotive Inc. | Hydraulic pump with variable flow and variable pressure and electric control |
DE10239364A1 (de) | 2002-08-28 | 2004-03-18 | Dr.Ing.H.C. F. Porsche Ag | Einrichtung zur Regelung der Pumpleistung einer Schmiermittelpumpe für eine Brennkraftmaschine |
-
2007
- 2007-01-31 EP EP07719358.9A patent/EP1979616B1/en active Active
- 2007-01-31 CA CA2637454A patent/CA2637454C/en not_active Expired - Fee Related
- 2007-01-31 WO PCT/CA2007/000118 patent/WO2007087704A1/en active Application Filing
- 2007-01-31 KR KR1020087018827A patent/KR101320789B1/ko active IP Right Grant
- 2007-01-31 US US12/161,388 patent/US8444395B2/en active Active
- 2007-01-31 CN CN2007800041974A patent/CN101379296B/zh active Active
-
2013
- 2013-05-15 US US13/894,603 patent/US20130251570A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4072443A (en) * | 1975-10-04 | 1978-02-07 | Lucas Industries Limited | Control valve arrangements for variable stroke pumps |
JP2863590B2 (ja) * | 1990-03-20 | 1999-03-03 | トーヨーエイテック株式会社 | 可変容量型ベーンポンプ |
US6619928B2 (en) * | 2000-12-15 | 2003-09-16 | Unisia Jkc Steering Systems Co., Ltd. | Variable displacement pump |
US6976830B2 (en) * | 2001-08-31 | 2005-12-20 | Unisia Jkc Steering Systems Co., Ltd. | Variable displacement pump |
Also Published As
Publication number | Publication date |
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US8444395B2 (en) | 2013-05-21 |
CA2637454A1 (en) | 2007-08-09 |
KR101320789B1 (ko) | 2013-10-23 |
EP1979616B1 (en) | 2015-12-23 |
KR20080094902A (ko) | 2008-10-27 |
EP1979616A1 (en) | 2008-10-15 |
WO2007087704A1 (en) | 2007-08-09 |
CN101379296A (zh) | 2009-03-04 |
US20130251570A1 (en) | 2013-09-26 |
CA2637454C (en) | 2014-12-23 |
US20100221126A1 (en) | 2010-09-02 |
EP1979616A4 (en) | 2013-12-18 |
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