FR2569786B1 - Distributeur hydraulique haute pression, a generateur de pression de pilotage - Google Patents

Distributeur hydraulique haute pression, a generateur de pression de pilotage

Info

Publication number
FR2569786B1
FR2569786B1 FR8413505A FR8413505A FR2569786B1 FR 2569786 B1 FR2569786 B1 FR 2569786B1 FR 8413505 A FR8413505 A FR 8413505A FR 8413505 A FR8413505 A FR 8413505A FR 2569786 B1 FR2569786 B1 FR 2569786B1
Authority
FR
France
Prior art keywords
hydraulic valve
steering
high pressure
generator
pressure generator
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
FR8413505A
Other languages
English (en)
Other versions
FR2569786A1 (fr
Inventor
Clifford James Balmer
Richard Goddard
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.)
Vickers Systems SA
Original Assignee
Vickers Systems SA
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 Vickers Systems SA filed Critical Vickers Systems SA
Priority to FR8413505A priority Critical patent/FR2569786B1/fr
Priority to DE8585401579T priority patent/DE3562653D1/de
Priority to EP85401579A priority patent/EP0176381B1/fr
Priority to US06/763,809 priority patent/US4610271A/en
Priority to JP60190037A priority patent/JPS6165902A/ja
Publication of FR2569786A1 publication Critical patent/FR2569786A1/fr
Application granted granted Critical
Publication of FR2569786B1 publication Critical patent/FR2569786B1/fr
Expired 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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401Valve members; Fluid interconnections therefor
    • F15B13/0402Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • F15B13/0403Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • B66F9/22Hydraulic devices or systems
    • 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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416Fluid 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
    • F15B13/0417Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
    • F15B13/0418Load sensing elements sliding within a hollow main valve spool
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/8667Reciprocating valve
    • Y10T137/86694Piston valve
    • Y10T137/86702With internal flow passage
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/87169Supply and exhaust
    • Y10T137/87177With bypass
    • Y10T137/87185Controlled by supply or exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
  • Servomotors (AREA)
FR8413505A 1984-08-31 1984-08-31 Distributeur hydraulique haute pression, a generateur de pression de pilotage Expired FR2569786B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8413505A FR2569786B1 (fr) 1984-08-31 1984-08-31 Distributeur hydraulique haute pression, a generateur de pression de pilotage
DE8585401579T DE3562653D1 (en) 1984-08-31 1985-08-01 High-pressure hydraulic directional control valve with a pilot pressure generator
EP85401579A EP0176381B1 (fr) 1984-08-31 1985-08-01 Distributeur hydraulique haute pression, à générateur de pression de pilotage
US06/763,809 US4610271A (en) 1984-08-31 1985-08-08 High pressure hydraulic distributor
JP60190037A JPS6165902A (ja) 1984-08-31 1985-08-30 油圧分配器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8413505A FR2569786B1 (fr) 1984-08-31 1984-08-31 Distributeur hydraulique haute pression, a generateur de pression de pilotage

Publications (2)

Publication Number Publication Date
FR2569786A1 FR2569786A1 (fr) 1986-03-07
FR2569786B1 true FR2569786B1 (fr) 1987-03-20

Family

ID=9307350

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8413505A Expired FR2569786B1 (fr) 1984-08-31 1984-08-31 Distributeur hydraulique haute pression, a generateur de pression de pilotage

Country Status (5)

Country Link
US (1) US4610271A (fr)
EP (1) EP0176381B1 (fr)
JP (1) JPS6165902A (fr)
DE (1) DE3562653D1 (fr)
FR (1) FR2569786B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3807583C1 (fr) * 1988-03-08 1989-03-09 Heilmeier & Weinlein Fabrik Fuer Oel-Hydraulik Gmbh & Co Kg, 8000 Muenchen, De
JPH04106503U (ja) * 1991-02-26 1992-09-14 三菱重工業株式会社 フオークリフトのリフトシリンダ制御弁
FR2754000B1 (fr) * 1996-09-30 1999-01-29 Mailleux Sa Dispositif de commande hydraulique du verin de levage d'un bras de chargeur agricole
KR101763280B1 (ko) * 2010-11-25 2017-07-31 볼보 컨스트럭션 이큅먼트 에이비 건설기계용 유량 제어밸브
CN102979773B (zh) * 2012-05-24 2015-05-06 山东弘宇农机股份有限公司 一种拖拉机液压提升系统
CN105020190A (zh) * 2014-04-30 2015-11-04 张凯 阀芯内直动导控机构及流体控制阀

Family Cites Families (5)

* 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
US3470694A (en) * 1968-04-30 1969-10-07 Weatherhead Co Flow proportional valve for load responsive system
US3866418A (en) * 1973-12-03 1975-02-18 Dowty Hydraulic Units Ltd Hydraulic apparatus
JPS56136799A (en) * 1980-03-25 1981-10-26 Nissan Motor Oil pressure circuit for fork lift
JPS5822299A (ja) * 1981-07-29 1983-02-09 日産自動車株式会社 フオ−クリフト

Also Published As

Publication number Publication date
JPS6165902A (ja) 1986-04-04
EP0176381B1 (fr) 1988-05-11
DE3562653D1 (en) 1988-06-16
EP0176381A1 (fr) 1986-04-02
US4610271A (en) 1986-09-09
FR2569786A1 (fr) 1986-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse