JPS4965466A - - Google Patents

Info

Publication number
JPS4965466A
JPS4965466A JP47108463A JP10846372A JPS4965466A JP S4965466 A JPS4965466 A JP S4965466A JP 47108463 A JP47108463 A JP 47108463A JP 10846372 A JP10846372 A JP 10846372A JP S4965466 A JPS4965466 A JP S4965466A
Authority
JP
Japan
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
JP47108463A
Other languages
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 JP47108463A priority Critical patent/JPS4965466A/ja
Priority to US394664A priority patent/US3871178A/en
Priority to GB4274673A priority patent/GB1440000A/en
Publication of JPS4965466A publication Critical patent/JPS4965466A/ja
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • F15B2211/20553Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/255Flow control functions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3105Neutral or centre positions
    • F15B2211/3116Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/329Directional control characterised by the type of actuation actuated by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/635Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
JP47108463A 1972-10-31 1972-10-31 Pending JPS4965466A (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP47108463A JPS4965466A (de) 1972-10-31 1972-10-31
US394664A US3871178A (en) 1972-10-31 1973-09-06 Variable output pump control circuit using a remote control
GB4274673A GB1440000A (en) 1972-10-31 1973-09-11 Hydraulic control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47108463A JPS4965466A (de) 1972-10-31 1972-10-31

Publications (1)

Publication Number Publication Date
JPS4965466A true JPS4965466A (de) 1974-06-25

Family

ID=14485388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47108463A Pending JPS4965466A (de) 1972-10-31 1972-10-31

Country Status (3)

Country Link
US (1) US3871178A (de)
JP (1) JPS4965466A (de)
GB (1) GB1440000A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49122288U (de) * 1973-02-16 1974-10-19
JPS5861303A (ja) * 1981-10-05 1983-04-12 Kawasaki Heavy Ind Ltd 可変容量形ポンプの制御回路

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208874A (en) * 1978-08-28 1980-06-24 Caterpillar Tractor Co. Apparatus for producing different flow rates of a fluid
JPS636474Y2 (de) * 1980-07-28 1988-02-23
DE3537421A1 (de) * 1985-10-21 1987-04-23 Rexroth Mannesmann Gmbh Kunststoffverarbeitungsmaschine mit hydraulischen antrieben
DE3812753C2 (de) * 1988-04-16 1994-05-26 Rexroth Mannesmann Gmbh Ventilanordnung für eine verstellbare Pumpe
JPH07122276B2 (ja) * 1989-07-07 1995-12-25 油谷重工株式会社 建設機械の油圧ポンプ制御回路
KR0167408B1 (ko) * 1993-11-30 1998-12-01 오까다 하지모 유압펌프제어장치
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
JP3640500B2 (ja) * 1997-04-25 2005-04-20 コベルコ建機株式会社 建設機械
JP2000230506A (ja) * 1999-02-10 2000-08-22 Komatsu Ltd 操作レバーによるアクチュエータ駆動装置および操作レバー装置
KR101241713B1 (ko) * 2005-12-29 2013-03-08 두산인프라코어 주식회사 휠로더의 유압펌프 유량제어장치
CN100526658C (zh) * 2007-04-19 2009-08-12 沈阳市中之杰机电设备制造有限公司 燃机进口导向页调整装置
CN105508320B (zh) * 2016-02-24 2017-06-16 益阳新华美机电科技有限公司 双泵并联液压变流装置及炼胶机滚筒驱动系统
CN107044350B (zh) * 2017-04-24 2019-04-23 中国航发沈阳发动机研究所 一种液压驱动系统及具有其的燃气轮机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941365A (en) * 1957-07-23 1960-06-21 Sundstrand Corp Hydraulic transmission
US3486334A (en) * 1968-05-16 1969-12-30 Cessna Aircraft Co Hydraulic power transmission control
DE2001701C3 (de) * 1970-01-15 1979-04-05 Linde Ag, 6200 Wiesbaden Stelleinrichtung für die Fernsteuerung eines stufenlos einstellbaren hydrostatischen Getriebes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49122288U (de) * 1973-02-16 1974-10-19
JPS554561Y2 (de) * 1973-02-16 1980-02-02
JPS5861303A (ja) * 1981-10-05 1983-04-12 Kawasaki Heavy Ind Ltd 可変容量形ポンプの制御回路
JPH0138962B2 (de) * 1981-10-05 1989-08-17 Kawasaki Heavy Ind Ltd

Also Published As

Publication number Publication date
US3871178A (en) 1975-03-18
GB1440000A (en) 1976-06-16

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