FR2441779B1 - - Google Patents

Info

Publication number
FR2441779B1
FR2441779B1 FR7833154A FR7833154A FR2441779B1 FR 2441779 B1 FR2441779 B1 FR 2441779B1 FR 7833154 A FR7833154 A FR 7833154A FR 7833154 A FR7833154 A FR 7833154A FR 2441779 B1 FR2441779 B1 FR 2441779B1
Authority
FR
France
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
FR7833154A
Other languages
French (fr)
Other versions
FR2441779A1 (fr
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.)
Control Concepts Inc
Original Assignee
Control Concepts Inc
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 Control Concepts Inc filed Critical Control Concepts Inc
Publication of FR2441779A1 publication Critical patent/FR2441779A1/fr
Application granted granted Critical
Publication of FR2441779B1 publication Critical patent/FR2441779B1/fr
Granted 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
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F15B13/0433—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being pressure control 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
    • Y10T137/8593—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)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Driven Valves (AREA)
FR7833154A 1976-07-16 1978-11-20 Ensemble a valve modulatrice Granted FR2441779A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/705,920 US4126293A (en) 1976-07-16 1976-07-16 Feathering valve assembly

Publications (2)

Publication Number Publication Date
FR2441779A1 FR2441779A1 (fr) 1980-06-13
FR2441779B1 true FR2441779B1 (enExample) 1984-04-20

Family

ID=24835488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7833154A Granted FR2441779A1 (fr) 1976-07-16 1978-11-20 Ensemble a valve modulatrice

Country Status (5)

Country Link
US (1) US4126293A (enExample)
CA (1) CA1074662A (enExample)
DE (1) DE2850272A1 (enExample)
FR (1) FR2441779A1 (enExample)
GB (1) GB2034931B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191091A (en) * 1976-07-16 1980-03-04 Control Concepts, Inc. Feathering valve assembly
US4489757A (en) * 1977-12-27 1984-12-25 Conoco Inc. Electrically actuated servocontrol system for a static pressure operated load
US4268006A (en) * 1978-06-02 1981-05-19 Emerson Electric Co. Modulating diaphragm valve
US4429708A (en) 1979-03-22 1984-02-07 Trw Inc. Fluid flow control
DE2943256A1 (de) * 1979-10-26 1981-05-07 Erwin Hengstler Hydraulik GmbH, 7613 Hausach Elektrohydraulische steuerung
IT1119444B (it) * 1979-10-30 1986-03-10 Fiat Ricerche Distributore idraulico
US4285363A (en) * 1979-11-05 1981-08-25 Hydraulic Servocontrols Corporation Control valve construction
GB2138897B (en) * 1983-04-29 1986-09-10 Aisin Warner Kabushiki Kaishi An automatic transmission for a vehicle
US4538644A (en) * 1983-06-09 1985-09-03 Applied Power Inc. Pressure regulator
US4534235A (en) * 1983-11-01 1985-08-13 Gray Tool Company Rotary stepper actuator
EP0150308A3 (en) * 1984-01-30 1986-10-01 Trw Inc. Apparatus for controlling fluid flow
US4883091A (en) * 1988-12-27 1989-11-28 Ross Operating Valve Company Multi-port self-regulating proportional pressure control valve
DE3922591A1 (de) * 1989-07-10 1991-01-24 Danfoss As Servogesteuertes expansionsventil fuer ein leicht verdampfbares fluid
US5279121A (en) * 1993-01-19 1994-01-18 Eaton Corporation Flow control valve with pilot operation and pressure compensation
US5359836A (en) * 1993-02-01 1994-11-01 Control Concepts, Inc. Agricultural harvester with closed loop header control
DE19512007A1 (de) * 1995-03-31 1996-10-02 Rexroth Mannesmann Gmbh Hydraulisch betätigbares Wegeventil
US6431049B1 (en) * 2000-08-24 2002-08-13 Jem Technical Marketing Co., Inc. Manifold for maintaining a latch actuator under pressure and accommodating leaks
FR2836187B1 (fr) * 2002-02-15 2007-01-12 Linde Ag Installation de distributeur de commande
CN101321980B (zh) * 2005-04-07 2010-11-03 丘伯国际控股有限公司 用于在高压系统中控制气流的自动调节阀
DE102006007935A1 (de) * 2006-02-21 2007-10-25 Liebherr France Sas Steuervorrichtung und hydraulische Vorsteuerung
US8310176B2 (en) * 2008-12-22 2012-11-13 Progress Rail Services Corp Traction control for DC electric motor
US8444400B2 (en) * 2009-02-13 2013-05-21 Caterpillar Inc. Hydraulic cylinder having piston-mounted bypass valve
ES2351458B1 (es) * 2010-03-16 2011-10-19 Inventia 2007, S.L. Sistema de suministro de agua con regulacion de caudal y temperatura.
CN102454649B (zh) * 2010-10-28 2014-10-08 富泰华工业（深圳）有限公司 控制阀
EP3204653A4 (en) * 2014-10-03 2018-11-21 Nexmatix LLC Energy saving directional-control valves for providing input-output compatibility with standard non-energy saving directional-control valves
CN106122141B (zh) * 2016-05-31 2018-04-03 上海人豪液压技术有限公司 采用模块化可配组插装阀rhcv组合的电液控制终端

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582088A (en) * 1947-11-01 1952-01-08 Gen Electric Two-stage hydraulic amplifier
US2800143A (en) * 1952-07-21 1957-07-23 North American Aviation Inc Hydraulic regulating valve
US3023781A (en) * 1958-05-09 1962-03-06 Raytheon Co Hydraulic servo valves
US2993477A (en) * 1958-12-17 1961-07-25 Ibm Regenerative hydraulic control valve
US3386339A (en) * 1965-06-07 1968-06-04 Gen Dynamics Corp Hydraulic amplifier
US3434390A (en) * 1966-04-25 1969-03-25 Bosch Arma Corp Valve control apparatus
JPS5421912B2 (enExample) * 1971-12-02 1979-08-02
US3742980A (en) * 1972-04-03 1973-07-03 Sanders Associates Inc Hydraulic control system
JPS50153321A (enExample) * 1974-05-31 1975-12-10

Also Published As

Publication number Publication date
DE2850272A1 (de) 1980-06-04
US4126293A (en) 1978-11-21
GB2034931B (en) 1983-03-02
CA1074662A (en) 1980-04-01
FR2441779A1 (fr) 1980-06-13
GB2034931A (en) 1980-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse