JPS4995091A - - Google Patents

Info

Publication number
JPS4995091A
JPS4995091A JP48125886A JP12588673A JPS4995091A JP S4995091 A JPS4995091 A JP S4995091A JP 48125886 A JP48125886 A JP 48125886A JP 12588673 A JP12588673 A JP 12588673A JP S4995091 A JPS4995091 A JP S4995091A
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.)
Granted
Application number
JP48125886A
Other languages
Japanese (ja)
Other versions
JPS5312031B2 (cg-RX-API-DMAC7.html
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
Publication of JPS4995091A publication Critical patent/JPS4995091A/ja
Publication of JPS5312031B2 publication Critical patent/JPS5312031B2/ja
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2544—Supply and exhaust type
    • Y10T137/2554—Reversing or 4-way valve systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86606—Common to plural valve motor chambers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
JP12588673A 1972-11-08 1973-11-08 Expired JPS5312031B2 (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5147172A GB1406326A (en) 1972-11-08 1972-11-08 Hydraulic actuator controls disazo pigment

Publications (2)

Publication Number Publication Date
JPS4995091A true JPS4995091A (cg-RX-API-DMAC7.html) 1974-09-10
JPS5312031B2 JPS5312031B2 (cg-RX-API-DMAC7.html) 1978-04-26

Family

ID=10460156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12588673A Expired JPS5312031B2 (cg-RX-API-DMAC7.html) 1972-11-08 1973-11-08

Country Status (8)

Country Link
US (1) US3874269A (cg-RX-API-DMAC7.html)
JP (1) JPS5312031B2 (cg-RX-API-DMAC7.html)
CA (1) CA988811A (cg-RX-API-DMAC7.html)
DE (1) DE2355430C2 (cg-RX-API-DMAC7.html)
FR (1) FR2205632B1 (cg-RX-API-DMAC7.html)
GB (1) GB1406326A (cg-RX-API-DMAC7.html)
IT (1) IT999089B (cg-RX-API-DMAC7.html)
SE (1) SE402803B (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529781A (en) * 1975-07-12 1977-01-25 Hitachi Constr Mach Co Ltd Hydraulic system for control function

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1462879A (en) * 1973-10-10 1977-01-26 Sperry Rand Ltd Hydraulic actuator controls
DE2461021A1 (de) * 1974-12-21 1976-06-24 Bosch Gmbh Robert Vorrichtung zur steuerung wenigstens einer hydraulischen stelleinrichtung
US3943957A (en) * 1975-03-17 1976-03-16 Sanders Associates, Inc. Flow control valve with internal rate of flow feedback
US4619186A (en) * 1977-09-03 1986-10-28 Vickers, Incorporated Pressure relief valves
US4250794A (en) * 1978-03-31 1981-02-17 Caterpillar Tractor Co. High pressure hydraulic system
FR2435187A1 (fr) * 1978-09-08 1980-04-04 Renault Dispositif de relevage electrohydraulique d'outils agraires
GB2050646B (en) * 1979-06-15 1983-04-13 Sperry Rand Corp Hydraulic actuator controls
US4413648A (en) * 1979-07-26 1983-11-08 Sperry Limited Hydraulic valves
DE3008929A1 (de) * 1980-03-08 1981-09-24 Schloemann-Siemag AG, 4000 Düsseldorf Sicherheitssteuereinrichtung fuer hydraulisch gehaltene lasten gegen unkontrolliertes absenken und heben, beispielsweise an vertikalen pressen oder lasten haltenden einrichtungen
DE3017080C2 (de) * 1980-05-03 1985-11-28 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Elektrohydraulischer Stellantrieb
WO1981003689A1 (en) * 1980-06-16 1981-12-24 Caterpillar Tractor Co Valve system
US4362089A (en) * 1980-06-16 1982-12-07 Caterpillar Tractor Co. Valve system
ZA825477B (en) * 1981-08-21 1983-06-29 Sperry Corp Hydraulic control system
JPS5877905A (ja) * 1981-09-02 1983-05-11 プル−テク・リミテツド 液圧制御弁
AU1587183A (en) * 1982-07-02 1984-01-05 Sperry Corp. Hydraulic valve with dual feedback control
GB2138897B (en) * 1983-04-29 1986-09-10 Aisin Warner Kabushiki Kaishi An automatic transmission for a vehicle
US5056561A (en) * 1990-02-08 1991-10-15 Byers James O Remote controlled, individually pressure compensated valve
US5775198A (en) * 1997-03-07 1998-07-07 Alliedsignal Inc. Control system for a limited stall load activator
CN100590324C (zh) * 2006-10-16 2010-02-17 太原理工大学 先导比例方向节流阀
KR101500744B1 (ko) * 2008-11-19 2015-03-09 두산인프라코어 주식회사 건설기계의 붐 실린더 제어회로
KR101877988B1 (ko) * 2011-12-28 2018-07-12 두산인프라코어 주식회사 건설기계의 붐 실린더 제어회로
DE102013206254A1 (de) * 2013-04-10 2014-10-16 Zf Friedrichshafen Ag Ventilsystem zur Ansteuerung eines Systemdruckregelsystems
DE102015116764A1 (de) * 2015-10-02 2017-04-06 Linde Hydraulics Gmbh & Co. Kg Hydraulisches Konstantdrucksystem für eine mobile Arbeitsmaschine
US11540942B2 (en) * 2018-07-26 2023-01-03 Alcon Inc. Redundant pneumatic circuit for reliability enhancement of vitrectomy instruments
CN111022408B (zh) * 2020-01-06 2021-11-12 合肥工业大学 一种具有回油路补偿负载敏感功能的组合阀

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003474A (en) * 1961-10-10 Hydraulic control system with flow
US3038498A (en) * 1956-09-25 1962-06-12 Borg Warner Hydraulic amplifier
US2944530A (en) * 1959-04-29 1960-07-12 Alfred C Johnson Pneumatic control means for reciprocable pistons
FR1361466A (fr) * 1963-04-09 1964-05-22 Hispano Suiza Sa Perfectionnements apportés aux installations de commande hydraulique à appareils récepteurs à double effet
US3555969A (en) * 1968-08-08 1971-01-19 Bell Aerospace Corp Servovalve having dynamic load adaptive response while maintaining static performance unaffected
US3555970A (en) * 1968-08-08 1971-01-19 Bell Aerospace Corp Pressure regulator for servo valve having dynamic load adaptive response
SE360190B (cg-RX-API-DMAC7.html) * 1970-01-05 1973-09-17 Sperry Rand Ltd
CA943040A (en) * 1970-10-06 1974-03-05 Ronald B. Walters Hydraulic actuator controls

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529781A (en) * 1975-07-12 1977-01-25 Hitachi Constr Mach Co Ltd Hydraulic system for control function

Also Published As

Publication number Publication date
FR2205632B1 (cg-RX-API-DMAC7.html) 1977-05-27
CA988811A (en) 1976-05-11
DE2355430C2 (de) 1984-11-22
IT999089B (it) 1976-02-20
AU6199473A (en) 1975-05-01
US3874269A (en) 1975-04-01
FR2205632A1 (cg-RX-API-DMAC7.html) 1974-05-31
GB1406326A (en) 1975-09-17
DE2355430A1 (de) 1974-05-16
SE402803B (sv) 1978-07-17
JPS5312031B2 (cg-RX-API-DMAC7.html) 1978-04-26

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