DE3578197D1 - Fluidumbetriebenes pumpenverdraengungsregelungssystem. - Google Patents

Fluidumbetriebenes pumpenverdraengungsregelungssystem.

Info

Publication number
DE3578197D1
DE3578197D1 DE8585103852T DE3578197T DE3578197D1 DE 3578197 D1 DE3578197 D1 DE 3578197D1 DE 8585103852 T DE8585103852 T DE 8585103852T DE 3578197 T DE3578197 T DE 3578197T DE 3578197 D1 DE3578197 D1 DE 3578197D1
Authority
DE
Germany
Prior art keywords
control system
displacement control
fluid operated
pump displacement
operated 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
DE8585103852T
Other languages
English (en)
Inventor
Teruo Akiyama
Katsuyuki Sasaki
Takaichi Saigo
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.)
Komatsu Ltd
Original Assignee
Komatsu 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
Priority claimed from JP59060841A external-priority patent/JPS60204987A/ja
Priority claimed from JP59251992A external-priority patent/JPH0658111B2/ja
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of DE3578197D1 publication Critical patent/DE3578197D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1201—Rotational speed of the axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1202—Torque on the axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1204—Position of a rotating inclined plate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
DE8585103852T 1984-03-30 1985-03-29 Fluidumbetriebenes pumpenverdraengungsregelungssystem. Expired - Fee Related DE3578197D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59060841A JPS60204987A (ja) 1984-03-30 1984-03-30 可変容量型油圧ポンプの制御装置
JP59251992A JPH0658111B2 (ja) 1984-11-30 1984-11-30 可変容量型油圧ポンプの吐出量制御装置

Publications (1)

Publication Number Publication Date
DE3578197D1 true DE3578197D1 (de) 1990-07-19

Family

ID=26401895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585103852T Expired - Fee Related DE3578197D1 (de) 1984-03-30 1985-03-29 Fluidumbetriebenes pumpenverdraengungsregelungssystem.

Country Status (3)

Country Link
US (1) US4637781A (de)
EP (1) EP0156399B1 (de)
DE (1) DE3578197D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2171757B (en) * 1985-02-28 1989-06-14 Komatsu Mfg Co Ltd Method of controlling an output of an internal combustion engine and a variabledisplacement hydraulic pump driven by the engine
EP0277253B1 (de) * 1986-08-15 1992-07-08 Kabushiki Kaisha Komatsu Seisakusho Steuerungseinheit einer hydraulischen pumpe
EP0282138B1 (de) * 1987-03-09 1992-06-10 Hitachi Construction Machinery Co., Ltd. Kreislauf für einen hydraulischen Antrieb
US4884401A (en) * 1988-08-30 1989-12-05 Sundstrand Corp. Three position dual failure shut-off valve system
JP2578371B2 (ja) * 1989-09-22 1997-02-05 株式会社小松製作所 可変容量ポンプの容量制御装置
KR950019129A (ko) * 1993-12-30 1995-07-22 김무 유압식 건설기계의 엔진-펌프 제어장치 및 방법
US5515829A (en) * 1994-05-20 1996-05-14 Caterpillar Inc. Variable-displacement actuating fluid pump for a HEUI fuel system
US5567123A (en) * 1995-09-12 1996-10-22 Caterpillar Inc. Pump displacement control for a variable displacement pump
US5562424A (en) * 1995-09-12 1996-10-08 Caterpillar Inc. Pump displacement control for a variable displacement pump
JPH09177679A (ja) * 1995-12-22 1997-07-11 Hitachi Constr Mach Co Ltd ポンプトルク制御装置
JPH10220359A (ja) * 1997-01-31 1998-08-18 Komatsu Ltd 可変容量型ポンプの制御装置
US5967756A (en) * 1997-07-01 1999-10-19 Caterpillar Inc. Power management control system for a hydraulic work machine
JP3995227B2 (ja) * 1999-01-21 2007-10-24 株式会社スギノマシン 液体加圧装置
US6202014B1 (en) * 1999-04-23 2001-03-13 Clark Equipment Company Features of main control computer for a power machine
JP2001295803A (ja) * 2000-04-10 2001-10-26 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置
US20060198736A1 (en) * 2005-03-01 2006-09-07 Caterpillar Inc. Pump control system for variable displacement pump
US7797092B2 (en) * 2006-11-06 2010-09-14 Caterpillar Inc Method and system for controlling machine power
JP4424370B2 (ja) * 2007-05-02 2010-03-03 ダイキン工業株式会社 油圧ユニット及びそれを備えた建設機械
US9002590B2 (en) 2008-02-18 2015-04-07 Komatsu, Ltd. Engine control device and engine control method
BR112013012171B1 (pt) 2010-11-17 2022-03-29 KSB SE & Co. KGaA Método para controle de velocidade rotacional variável de uma unidade de bomba de deslocamento, dispositivo de controle e arranjo de bomba de deslocamento
US9086143B2 (en) 2010-11-23 2015-07-21 Caterpillar Inc. Hydraulic fan circuit having energy recovery
CN103306957A (zh) * 2013-06-13 2013-09-18 大连海事大学 一种基于单片机的气动增压泵嵌入式控制器及控制方法
CN105179353B (zh) * 2015-10-27 2017-06-23 安徽柳工起重机有限公司 变量泵液压系统控制发动机怠速免熄火装置
CN109113979B (zh) * 2018-07-23 2021-06-01 珠海格力电器股份有限公司 压缩机控制方法、控制装置及控制系统
CN109578370A (zh) * 2018-12-05 2019-04-05 淮南市金德实业有限公司 一种树脂锚固剂生产使用的组合式液压机构
CN115324150B (zh) * 2022-08-25 2023-09-05 江苏徐工工程机械研究院有限公司 挖掘装载机控制方法以及挖掘装载机

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921298B2 (de) * 1969-04-25 1973-08-23 Hydromatik Gmbh, 7900 Ulm Einrichtung zur regelung der foerdermenge verstellbarer axialkolbenpumpen
DD98558A1 (de) * 1970-11-30 1973-06-20 Eberhard Dipl Ing Hilpert Stelleinrichtung fuer hydrostatische getriebe
US3732041A (en) * 1971-06-10 1973-05-08 Sperry Rand Corp Power transmission
US3875849A (en) * 1972-09-11 1975-04-08 Applied Power Inc Electro-hydraulic proportional servo actuator
DE2251904A1 (de) * 1972-10-23 1974-04-25 Weserhuette Ag Eisenwerk Grenzlastregelung fuer hydraulikantriebe
DE2331617A1 (de) * 1973-06-22 1975-01-16 Bosch Gmbh Robert Regeleinrichtung fuer hydropumpen
DE2363480A1 (de) * 1973-12-20 1975-06-26 Bosch Gmbh Robert Verstelleinrichtung fuer eine pumpe
US3935706A (en) * 1974-07-22 1976-02-03 General Signal Corporation Hydraulic control system
US3963378A (en) * 1975-06-04 1976-06-15 Caterpillar Tractor Co. Part throttle control -- pump override
DE2531492C2 (de) * 1975-07-15 1982-09-16 Robert Bosch Gmbh, 7000 Stuttgart Verstellbare hydrostatische Pumpe
US4189921A (en) * 1976-07-02 1980-02-26 Eaton Corporation Hydraulic controller
US4091617A (en) * 1977-05-11 1978-05-30 Eaton Corporation Hydraulic controller
JPS5543246A (en) * 1978-09-22 1980-03-27 Komatsu Ltd Volume controller of variable hydraulic pump
US4274257A (en) * 1979-01-08 1981-06-23 Eaton Corporation Anti-stall controller
JPS56159580A (en) * 1980-05-13 1981-12-08 Hitachi Constr Mach Co Ltd Method of controlling system including internal combustion engine and hydraulic pump
DE3213958A1 (de) * 1981-08-21 1983-03-03 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulische verstelleinrichtung fuer eine hydrostatische maschine
US4498847A (en) * 1982-06-29 1985-02-12 Kabushiki Kaisha Komatsu Seisakusho Control system for variable displacement hydraulic pumps
US4715788A (en) * 1982-12-16 1987-12-29 Abex Corporation Servo control variable displacement pressure compensated pump

Also Published As

Publication number Publication date
US4637781A (en) 1987-01-20
EP0156399A2 (de) 1985-10-02
EP0156399A3 (en) 1987-10-28
EP0156399B1 (de) 1990-06-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee