JPS6155502U - - Google Patents

Info

Publication number
JPS6155502U
JPS6155502U JP1984139397U JP13939784U JPS6155502U JP S6155502 U JPS6155502 U JP S6155502U JP 1984139397 U JP1984139397 U JP 1984139397U JP 13939784 U JP13939784 U JP 13939784U JP S6155502 U JPS6155502 U JP S6155502U
Authority
JP
Japan
Prior art keywords
valve
hydraulic motor
pressure
pilot
selector valve
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.)
Pending
Application number
JP1984139397U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1984139397U priority Critical patent/JPS6155502U/ja
Priority to US06/776,016 priority patent/US4712377A/en
Publication of JPS6155502U publication Critical patent/JPS6155502U/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a pump
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/423—Motor capacity control by fluid pressure control means
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP1984139397U 1984-09-17 1984-09-17 Pending JPS6155502U (US06368395-20020409-C00050.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1984139397U JPS6155502U (US06368395-20020409-C00050.png) 1984-09-17 1984-09-17
US06/776,016 US4712377A (en) 1984-09-17 1985-09-13 Control apparatus for hydraulic motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984139397U JPS6155502U (US06368395-20020409-C00050.png) 1984-09-17 1984-09-17

Publications (1)

Publication Number Publication Date
JPS6155502U true JPS6155502U (US06368395-20020409-C00050.png) 1986-04-14

Family

ID=15244328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984139397U Pending JPS6155502U (US06368395-20020409-C00050.png) 1984-09-17 1984-09-17

Country Status (2)

Country Link
US (1) US4712377A (US06368395-20020409-C00050.png)
JP (1) JPS6155502U (US06368395-20020409-C00050.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990010757A1 (en) * 1989-03-16 1990-09-20 Kabushiki Kaisha Komatsu Seisakusho Parking brake circuit of hydraulically driven vehicle
CN102297339A (zh) * 2011-07-29 2011-12-28 奇瑞汽车股份有限公司 一种可变加注压力的控制回路及其控制方法

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3733677A1 (de) * 1987-10-05 1989-04-13 Rexroth Mannesmann Gmbh Lastunabhaengige steuereinrichtung fuer hydraulische verbraucher
DE3733679A1 (de) * 1987-10-05 1989-04-13 Rexroth Mannesmann Gmbh Steuerschaltung fuer einen mit einer verstellpumpe betriebenen hydraulischen kraftheber
EP0329860A1 (en) * 1988-02-25 1989-08-30 RIVA CALZONI S.p.A. Apparatus for the feed and the speed and torque control of a hydraulic motor with variable displacement at constant pressure
US4907408A (en) * 1988-04-22 1990-03-13 Allied-Signal Inc. Variable displacement hydraulic servomotor system
DE3935068A1 (de) * 1989-10-20 1991-04-25 Sauer Sundstrand Gmbh & Co Einrichtung fuer druckgeregelte verstellmotoren mit drehzahlabhaengiger einstelldruckkompensation
US5018935A (en) * 1989-11-09 1991-05-28 Deere & Company Automatic pressure relief system for a hydraulic motor
US5036659A (en) * 1989-11-13 1991-08-06 Sundstrand Corporation Swash plate type pump with flow path through cavity containing swash plate
WO1991008395A1 (en) * 1989-12-04 1991-06-13 Hitachi Construction Machinery Co., Ltd. Hydraulic motor driving circuit device
KR930010906B1 (ko) * 1989-12-14 1993-11-17 니뽄 에어브레이크 가부시끼가이샤 유압 모터의 제어 회로
DE4129667A1 (de) * 1991-09-06 1993-03-18 Hydromatik Gmbh Hydrostatisches getriebe mit offenem kreislauf und bremsventil
US5307630A (en) * 1991-12-16 1994-05-03 Sundstrand Corporation System pressure compensated variable displacement hydraulic motor
US5293746A (en) * 1992-12-28 1994-03-15 Caterpillar Inc. Hydraulic control system
KR100328218B1 (ko) * 1996-04-30 2002-06-26 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압식건설기계의조작방식선택장치및방법
JPH10169605A (ja) * 1996-12-05 1998-06-23 Samsung Heavy Ind Co Ltd アキシアルピストンタイプ油圧モーターの油圧システム
JP3891630B2 (ja) * 1997-02-10 2007-03-14 株式会社小松製作所 油圧駆動変速装置の緊急停止装置
JP4067596B2 (ja) * 1997-03-07 2008-03-26 日立建機株式会社 建設機械の油圧制御装置
DE19850162C1 (de) * 1998-10-30 2000-09-07 Brueninghaus Hydromatik Gmbh Hydrostatisches Getriebe
US20040177610A1 (en) * 2003-03-11 2004-09-16 Hendrickson Barry M. Broad range speed control for hydraulic motors
DE102004061861B4 (de) * 2004-12-22 2008-06-19 Brueninghaus Hydromatik Gmbh Druckabschneidungsventileinheit und damit versehener hydraulischer Kreislauf
US8661804B2 (en) * 2009-12-11 2014-03-04 Caterpillar Inc. Control system for swashplate pump
CN102102692A (zh) * 2010-11-22 2011-06-22 长沙瑞巢机械有限公司 液压油路自动切换装置
CN103206419B (zh) * 2013-04-18 2015-04-22 三一汽车起重机械有限公司 回转液压系统及工程机械
CN105134685A (zh) * 2015-09-16 2015-12-09 凯盛重工有限公司 一种用于保护油缸的液压回路系统
CN112112869B (zh) * 2020-08-27 2022-06-17 中联重科股份有限公司 控制模块和液压系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH502948A (de) * 1968-12-04 1971-02-15 Aufzuege Ag Schaffhausen Hydraulische Antriebseinrichtung für einen Seil-Aufzug
US3625637A (en) * 1970-04-13 1971-12-07 Caterpillar Tractor Co Conversion of variable delivery pump to fixed delivery pump
DE2017771A1 (de) * 1970-04-14 1971-11-04 Robert Bosch Gmbh, 7000 Stuttgart Hydrostatischer Antrieb
US3736753A (en) * 1971-09-22 1973-06-05 Deere & Co Hydraulic drive
US3788075A (en) * 1972-07-13 1974-01-29 Borg Warner Valve mechanism
JPS5743002A (en) * 1980-08-28 1982-03-10 Kayaba Ind Co Ltd Automatic speed changeover valve for two-speed motor
US4364230A (en) * 1980-10-07 1982-12-21 J. I. Case Company Hydrostatic transmission overspeed prevention circuit
JPS57116913A (en) * 1981-01-10 1982-07-21 Hitachi Constr Mach Co Ltd Hydraulic drive unit for single rod type cylinder
US4481770A (en) * 1982-03-22 1984-11-13 Caterpillar Tractor Co. Fluid system with flow compensated torque control
US4530416A (en) * 1983-05-23 1985-07-23 Fmc Corporation Hydrostatic propulsion system and method with inching throttle and brake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990010757A1 (en) * 1989-03-16 1990-09-20 Kabushiki Kaisha Komatsu Seisakusho Parking brake circuit of hydraulically driven vehicle
CN102297339A (zh) * 2011-07-29 2011-12-28 奇瑞汽车股份有限公司 一种可变加注压力的控制回路及其控制方法

Also Published As

Publication number Publication date
US4712377A (en) 1987-12-15

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