GB1406326A - Hydraulic actuator controls disazo pigment - Google Patents

Hydraulic actuator controls disazo pigment

Info

Publication number
GB1406326A
GB1406326A GB5147172A GB5147172A GB1406326A GB 1406326 A GB1406326 A GB 1406326A GB 5147172 A GB5147172 A GB 5147172A GB 5147172 A GB5147172 A GB 5147172A GB 1406326 A GB1406326 A GB 1406326A
Authority
GB
United Kingdom
Prior art keywords
valve
actuator
transducer
pilot valve
pilot
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
Application number
GB5147172A
Other languages
English (en)
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.)
Unisys Group Services Ltd
Original Assignee
Sperry Rand 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
Application filed by Sperry Rand Ltd filed Critical Sperry Rand Ltd
Priority to GB5147172A priority Critical patent/GB1406326A/en
Priority to CA184,352A priority patent/CA988811A/en
Priority to IT7330741A priority patent/IT999089B/it
Priority to AU61994/73A priority patent/AU481316B2/en
Priority to US412024A priority patent/US3874269A/en
Priority to DE2355430A priority patent/DE2355430C2/de
Priority to SE7315105A priority patent/SE402803B/xx
Priority to FR7339583A priority patent/FR2205632B1/fr
Priority to JP12588673A priority patent/JPS5312031B2/ja
Publication of GB1406326A publication Critical patent/GB1406326A/en
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)
GB5147172A 1972-11-08 1972-11-08 Hydraulic actuator controls disazo pigment Expired GB1406326A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB5147172A GB1406326A (en) 1972-11-08 1972-11-08 Hydraulic actuator controls disazo pigment
CA184,352A CA988811A (en) 1972-11-08 1973-10-26 Hydraulic actuator controls
IT7330741A IT999089B (it) 1972-11-08 1973-10-30 Perfezionamenti nei mezzi di comando di apparati azionatori idraulici
AU61994/73A AU481316B2 (en) 1972-11-08 1973-10-30 Improvements in or relating to hydraulic actuator controls
US412024A US3874269A (en) 1972-11-08 1973-11-01 Hydraulic actuator controls
DE2355430A DE2355430C2 (de) 1972-11-08 1973-11-06 Vorrichtung zur Steuerung wenigstens einer hydraulischen Stell- bzw. Antriebsvorrichtung
SE7315105A SE402803B (sv) 1972-11-08 1973-11-07 Anordning for reglering av atminstone en hydraulpaverkare i motsvarighet till en elektrisk insignal
FR7339583A FR2205632B1 (fi) 1972-11-08 1973-11-07
JP12588673A JPS5312031B2 (fi) 1972-11-08 1973-11-08

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 (1)

Publication Number Publication Date
GB1406326A true GB1406326A (en) 1975-09-17

Family

ID=10460156

Family Applications (1)

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

Country Status (8)

Country Link
US (1) US3874269A (fi)
JP (1) JPS5312031B2 (fi)
CA (1) CA988811A (fi)
DE (1) DE2355430C2 (fi)
FR (1) FR2205632B1 (fi)
GB (1) GB1406326A (fi)
IT (1) IT999089B (fi)
SE (1) SE402803B (fi)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021742A2 (en) * 1979-06-15 1981-01-07 Sperry Corporation Hydraulic actuator control
EP0073148A2 (en) * 1981-08-21 1983-03-02 Vickers Incorporated Hydraulic control system
EP0074254A1 (en) * 1981-09-02 1983-03-16 Prutec Limited Hydraulic control valve
GB2138897A (en) * 1983-04-29 1984-10-31 Aisin Warner Kabushiki Kaishi An automatic transmission for a vehicle
US4619186A (en) * 1977-09-03 1986-10-28 Vickers, Incorporated Pressure relief valves
CN107061386A (zh) * 2015-10-02 2017-08-18 林德液压两合公司 用于移动式工作机的液压式恒定压力系统

Families Citing this family (20)

* 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
JPS529781A (en) * 1975-07-12 1977-01-25 Hitachi Constr Mach Co Ltd Hydraulic system for control function
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
DE3071307D1 (en) * 1979-07-26 1986-02-06 Sperry Ltd Hydraulic valve
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
US4362089A (en) * 1980-06-16 1982-12-07 Caterpillar Tractor Co. Valve system
EP0053608B1 (en) * 1980-06-16 1985-08-21 Caterpillar Tractor Co. Valve system
AU1587183A (en) * 1982-07-02 1984-01-05 Sperry Corp. Hydraulic valve with dual feedback control
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
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 (fi) * 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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619186A (en) * 1977-09-03 1986-10-28 Vickers, Incorporated Pressure relief valves
EP0021742A2 (en) * 1979-06-15 1981-01-07 Sperry Corporation Hydraulic actuator control
EP0021742A3 (en) * 1979-06-15 1981-05-27 Sperry Corporation Improvements in or relating to hydraulic actuator controls
EP0073148A2 (en) * 1981-08-21 1983-03-02 Vickers Incorporated Hydraulic control system
EP0073148A3 (en) * 1981-08-21 1984-05-23 Sperry Corporation Hydraulic control system
EP0074254A1 (en) * 1981-09-02 1983-03-16 Prutec Limited Hydraulic control valve
GB2138897A (en) * 1983-04-29 1984-10-31 Aisin Warner Kabushiki Kaishi An automatic transmission for a vehicle
CN107061386A (zh) * 2015-10-02 2017-08-18 林德液压两合公司 用于移动式工作机的液压式恒定压力系统

Also Published As

Publication number Publication date
DE2355430A1 (de) 1974-05-16
CA988811A (en) 1976-05-11
IT999089B (it) 1976-02-20
FR2205632A1 (fi) 1974-05-31
JPS4995091A (fi) 1974-09-10
AU6199473A (en) 1975-05-01
DE2355430C2 (de) 1984-11-22
JPS5312031B2 (fi) 1978-04-26
US3874269A (en) 1975-04-01
FR2205632B1 (fi) 1977-05-27
SE402803B (sv) 1978-07-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee