DE3374578D1 - Hydraulic directional spool valve - Google Patents

Hydraulic directional spool valve

Info

Publication number
DE3374578D1
DE3374578D1 DE8383400385T DE3374578T DE3374578D1 DE 3374578 D1 DE3374578 D1 DE 3374578D1 DE 8383400385 T DE8383400385 T DE 8383400385T DE 3374578 T DE3374578 T DE 3374578T DE 3374578 D1 DE3374578 D1 DE 3374578D1
Authority
DE
Germany
Prior art keywords
spool valve
hydraulic directional
directional spool
hydraulic
valve
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
DE8383400385T
Other languages
German (de)
Inventor
Claude Bouveret
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.)
PARISIENNE OUTILLAGE
Compagnie Parisienne dOutillage a Air Comprime SA
Original Assignee
PARISIENNE OUTILLAGE
Compagnie Parisienne dOutillage a Air Comprime 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 PARISIENNE OUTILLAGE, Compagnie Parisienne dOutillage a Air Comprime SA filed Critical PARISIENNE OUTILLAGE
Application granted granted Critical
Publication of DE3374578D1 publication Critical patent/DE3374578D1/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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
DE8383400385T 1982-02-26 1983-02-25 Hydraulic directional spool valve Expired DE3374578D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8203239 1982-02-26
FR8205928 1982-04-06

Publications (1)

Publication Number Publication Date
DE3374578D1 true DE3374578D1 (en) 1987-12-23

Family

ID=26222776

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383400385T Expired DE3374578D1 (en) 1982-02-26 1983-02-25 Hydraulic directional spool valve

Country Status (2)

Country Link
EP (1) EP0088017B1 (en)
DE (1) DE3374578D1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117208A1 (en) * 1983-02-17 1984-08-29 COMPAGNIE PARISIENNE D'OUTILLAGE A AIR COMPRIME Société anonyme dite: Hydraulic pressure servolimiter
FR2547664B1 (en) * 1983-06-17 1986-04-18 Outillage Air Comprime FLOW SERVO REGULATOR
EP0117209A1 (en) * 1983-02-17 1984-08-29 COMPAGNIE PARISIENNE D'OUTILLAGE A AIR COMPRIME Société anonyme dite: Servo flow regulator
FR2541391B1 (en) * 1983-02-17 1987-08-07 Outillage Air Comprime PROPORTIONAL HYDRAULIC DISTRIBUTION DEVICE AND APPLICATION TO A HYDRAULIC DISTRIBUTOR, A PRESSURE LIMITER, A FLOW REGULATOR AND A HYDRAULIC MACHINE
DE3313317A1 (en) * 1983-04-13 1984-10-18 Integral Hydraulik & Co, 4000 Düsseldorf Electro-hydraulic two-stage proportional directional control valve
DE3339578A1 (en) * 1983-11-02 1985-05-09 Volkswagenwerk Ag, 3180 Wolfsburg Device for compression control
US4907492A (en) * 1987-06-16 1990-03-13 Sig Schweizerische Industrie-Gesellschaft Apertured valve disposed in hollow piston rod of follower-type motor
DE4007648A1 (en) * 1990-03-10 1991-09-12 Friedhelm Dr Ing Schnuerle PNEUMATIC OR HYDRAULIC PISTON-CYLINDER UNIT WITH SERVO CONTROL
WO1993019300A1 (en) * 1992-03-23 1993-09-30 C.W.F. Hamilton & Co. Limited Hydraulic cylinder feedback control
DE19537417C2 (en) * 1995-10-07 1997-07-24 Eurocopter Deutschland Hydraulic actuator
JP3494858B2 (en) * 1997-07-29 2004-02-09 株式会社荏原製作所 Hydraulic servo device
FR2806760B1 (en) * 2000-03-24 2002-07-12 Imeca DEVICE FOR CONTROLLING THE MOVEMENT OF AN ACTUATOR ROD
US7735517B2 (en) * 2006-12-22 2010-06-15 Caterpillar Inc Rotary-actuated electro-hydraulic valve
US8074558B2 (en) 2008-04-30 2011-12-13 Caterpillar Inc. Axial piston device having rotary displacement control
EP2848821B1 (en) * 2013-09-12 2016-11-02 Start Elevator S.r.l. Flow control and check valve for a hydraulic control circuit of a lifting installation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106224A (en) * 1960-08-02 1963-10-08 Plessey Co Ltd Servo operated hydraulic valves
GB1116632A (en) * 1965-10-12 1968-06-12 Chandler Evans Inc Fluid-pressure servo-motor positioning apparatus
US3511132A (en) * 1967-11-18 1970-05-12 Rexroth Gmbh G L Hydraulic power amplifier
BE758863A (en) * 1970-08-27 1971-04-16 Saito Tadashi STRUCTURE AND METHOD OF MANUFACTURING A FLUID PRESSURE PULSATION CYLINDER INTENDED FOR VALUE CONTROL,
DE2051582A1 (en) * 1970-10-21 1972-07-06 Schneider Co Optische Werke Follower valve
FR2268966A1 (en) * 1974-11-29 1975-11-21 Poclain Sa Hydraulically operated ram - has main rod with bore accommodating rotary auxiliary rod with spiral grooves and ramps
US4245547A (en) * 1977-10-31 1981-01-20 Commercial Shearing, Inc. Rotary to linear servo mechanisms

Also Published As

Publication number Publication date
EP0088017B1 (en) 1987-11-19
EP0088017A2 (en) 1983-09-07
EP0088017A3 (en) 1984-04-04

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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