FR2278965B1 - - Google Patents

Info

Publication number
FR2278965B1
FR2278965B1 FR7522445A FR7522445A FR2278965B1 FR 2278965 B1 FR2278965 B1 FR 2278965B1 FR 7522445 A FR7522445 A FR 7522445A FR 7522445 A FR7522445 A FR 7522445A FR 2278965 B1 FR2278965 B1 FR 2278965B1
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
FR7522445A
Other languages
French (fr)
Other versions
FR2278965A1 (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.)
Individual
Original Assignee
Individual
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
Priority claimed from US05/489,829 external-priority patent/US3988966A/en
Application filed by Individual filed Critical Individual
Publication of FR2278965A1 publication Critical patent/FR2278965A1/fr
Application granted granted Critical
Publication of FR2278965B1 publication Critical patent/FR2278965B1/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
    • F15B13/16—Special measures for feedback, e.g. by a follow-up device
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Reciprocating Pumps (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7522445A 1974-07-18 1975-07-17 Repeteur fluidique Granted FR2278965A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/489,829 US3988966A (en) 1974-07-18 1974-07-18 Fluidic repeater
US05/521,036 US4046059A (en) 1974-07-18 1974-11-05 Fluidic repeater

Publications (2)

Publication Number Publication Date
FR2278965A1 FR2278965A1 (fr) 1976-02-13
FR2278965B1 true FR2278965B1 (enExample) 1984-04-06

Family

ID=27049841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7522445A Granted FR2278965A1 (fr) 1974-07-18 1975-07-17 Repeteur fluidique

Country Status (6)

Country Link
US (2) US4046059A (enExample)
JP (1) JPS6052321B2 (enExample)
CA (1) CA1045980A (enExample)
DE (1) DE2532028A1 (enExample)
FR (1) FR2278965A1 (enExample)
GB (1) GB1515173A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335645A (en) 1974-07-18 1982-06-22 Leonard Willie B Fluidic repeater
US4132152A (en) * 1976-10-29 1979-01-02 Hunkar Laboratories, Inc. Closed loop electro-fluidic control system
JPS53157289U (enExample) * 1977-05-16 1978-12-09
US4355506A (en) * 1977-08-26 1982-10-26 Leonard Willie B Pump-motor power limiter and pressure relief
USRE32588E (en) * 1978-08-28 1988-02-02 The Babcock & Wilcox Company Valve actuator system
US4215844A (en) * 1978-08-28 1980-08-05 The Babcock & Wilcox Company Valve actuator system
DE2949657C2 (de) * 1979-12-11 1982-09-09 Danfoss A/S, 6430 Nordborg Ventilanordnung für einen hydraulischen Servomotor
DE3024171C2 (de) * 1980-06-27 1984-11-08 Danfoss A/S, Nordborg Hydrostatische Stelleinrichtung, insbesondere Lenkeinrichtung für Fahrzeuge
JPS5737103A (en) * 1980-08-08 1982-03-01 Leonard Willie Burt Fluid pressure repeater
DE3106086A1 (de) * 1981-02-19 1982-09-09 Mannesmann Rexroth GmbH, 8770 Lohr "vorrichtung zum regeln eines stellgliedes, insbesondere zum regeln des hubwerkes eines schleppers, maehdreschers o.dgl."
US4574687A (en) * 1982-07-20 1986-03-11 Mannesmann Rexroth Gmbh Apparatus for positioning an adjusting member
US4569372A (en) * 1984-08-28 1986-02-11 Commercial Shearing, Inc. Remote valve operators
JPS62184113U (enExample) * 1986-05-16 1987-11-21
CA2173380C (en) * 1996-04-03 2001-07-10 Michael G. Mancell Power steering fluid reservoir
US20020179029A1 (en) * 1998-09-09 2002-12-05 Watson John P. Hydraulically actuated, electrically controlled linear motor
FR2981414B1 (fr) * 2011-10-12 2013-10-18 In Lhc Servovalve a deux etages et etage de pilotage adapte a une telle servovalve.
CN113915188B (zh) * 2021-10-18 2024-05-07 山东泰丰智能控制股份有限公司 一种自适应液压控制系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619794A (en) * 1945-03-12 1952-12-02 Rolls Royce Control means for variable jet nozzles of jet propulsion units
US2709421A (en) * 1952-07-29 1955-05-31 Gen Electric Hydraulic amplifier
US2841168A (en) * 1952-11-19 1958-07-01 Kleelavite Company Ltd Hydraulic control valve apparatus
US2973746A (en) * 1957-06-03 1961-03-07 Edward C Jupa Hydraulic servo valve
US2989950A (en) * 1958-06-04 1961-06-27 Lockman Nathan Pneumatic control device
US3040715A (en) * 1958-12-24 1962-06-26 Bendix Corp Two-stage pneumatic servo control
US3017868A (en) * 1960-03-01 1962-01-23 Raymond M Ginder Oil motor
US3215044A (en) * 1962-07-24 1965-11-02 Lissau Frederic Hydraulic positioning servo system
US3211182A (en) * 1962-12-05 1965-10-12 Jarry Hydraulics Ltd Servo valve with rotary first stage
US3187509A (en) * 1964-09-16 1965-06-08 Sundstrand Corp Hydrostatic transmission
US3426258A (en) * 1965-01-18 1969-02-04 Richard W Van Pelt Control mechanism actuating motor in incremental manner
DE1601719B2 (de) * 1966-02-09 1971-12-02 Fujitsu Ltd , Kawasaki, Kanagawa (Japan) Dydraulischer drehmomentverstaerker
US3486416A (en) * 1968-02-08 1969-12-30 Bendix Corp Fluid remote position indicator
GB1270797A (en) * 1968-09-30 1972-04-12 Lucas Industries Ltd Fluid operated servomechanism
US3583285A (en) * 1969-07-17 1971-06-08 Deere & Co Pressure responsive direction control valve

Also Published As

Publication number Publication date
CA1045980A (en) 1979-01-09
DE2532028A1 (de) 1976-02-05
GB1515173A (en) 1978-06-21
JPS6052321B2 (ja) 1985-11-19
US4046059A (en) 1977-09-06
FR2278965A1 (fr) 1976-02-13
US4404897A (en) 1983-09-20
JPS5134391A (enExample) 1976-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse