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
Links
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984139397U JPS6155502U (US06623731-20030923-C00012.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 (US06623731-20030923-C00012.png) | 1984-09-17 | 1984-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6155502U true JPS6155502U (US06623731-20030923-C00012.png) | 1986-04-14 |
Family
ID=15244328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984139397U Pending JPS6155502U (US06623731-20030923-C00012.png) | 1984-09-17 | 1984-09-17 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4712377A (US06623731-20030923-C00012.png) |
JP (1) | JPS6155502U (US06623731-20030923-C00012.png) |
Cited By (2)
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)
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)
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 |
-
1984
- 1984-09-17 JP JP1984139397U patent/JPS6155502U/ja active Pending
-
1985
- 1985-09-13 US US06/776,016 patent/US4712377A/en not_active Expired - Fee Related
Cited By (2)
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 |