FR2212498B1 - - Google Patents

Info

Publication number
FR2212498B1
FR2212498B1 FR7247007A FR7247007A FR2212498B1 FR 2212498 B1 FR2212498 B1 FR 2212498B1 FR 7247007 A FR7247007 A FR 7247007A FR 7247007 A FR7247007 A FR 7247007A FR 2212498 B1 FR2212498 B1 FR 2212498B1
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
FR7247007A
Other languages
French (fr)
Other versions
FR2212498A1 (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.)
Messier Hispano SA
Original Assignee
Messier Hispano 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 Messier Hispano SA filed Critical Messier Hispano SA
Priority to FR7247007A priority Critical patent/FR2212498B1/fr
Priority to GB5942773A priority patent/GB1440958A/en
Priority to IT70816/73A priority patent/IT1000593B/en
Priority to DE2364350A priority patent/DE2364350C3/en
Priority to US428766A priority patent/US3892260A/en
Publication of FR2212498A1 publication Critical patent/FR2212498A1/fr
Application granted granted Critical
Publication of FR2212498B1 publication Critical patent/FR2212498B1/fr
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
    • F15B13/042—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
    • F15B13/0438—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 of the nozzle-flapper type
    • 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
    • Y10T137/2278—Pressure modulating relays or followers
    • 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
    • Y10T137/8659—Variable orifice-type modulator
    • Y10T137/86598—Opposed orifices; interposed modulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR7247007A 1972-12-29 1972-12-29 Expired FR2212498B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7247007A FR2212498B1 (en) 1972-12-29 1972-12-29
GB5942773A GB1440958A (en) 1972-12-29 1973-12-21 Electrohydraulic servo-distributor
IT70816/73A IT1000593B (en) 1972-12-29 1973-12-21 ELECTRIC HYDRAULIC SERVO DISTRIBUTOR
DE2364350A DE2364350C3 (en) 1972-12-29 1973-12-22 Electro-hydraulic servo valve
US428766A US3892260A (en) 1972-12-29 1973-12-27 Electro-hydraulic servo-distributor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7247007A FR2212498B1 (en) 1972-12-29 1972-12-29

Publications (2)

Publication Number Publication Date
FR2212498A1 FR2212498A1 (en) 1974-07-26
FR2212498B1 true FR2212498B1 (en) 1976-01-30

Family

ID=9109540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7247007A Expired FR2212498B1 (en) 1972-12-29 1972-12-29

Country Status (5)

Country Link
US (1) US3892260A (en)
DE (1) DE2364350C3 (en)
FR (1) FR2212498B1 (en)
GB (1) GB1440958A (en)
IT (1) IT1000593B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109560A1 (en) * 1981-03-13 1982-09-30 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION SYSTEM
DE3122436A1 (en) * 1981-06-05 1983-01-05 Mannesmann Rexroth GmbH, 8770 Lohr Proportional valve
FR2521232B1 (en) * 1982-02-11 1986-02-21 Messier Hispano Sa ELECTRO-HYDRAULIC SERVO-DISTRIBUTOR
US4458839A (en) * 1982-03-03 1984-07-10 Masco Corporation Thermostatic valve assembly
GB2123185B (en) * 1982-07-02 1985-07-24 Dowty Hydraulic Units Ltd Electro-hydraulic servo valves
DE3225179A1 (en) * 1982-07-06 1984-01-12 Robert Bosch Gmbh, 7000 Stuttgart PRESSURE CONTROL VALVE
AT386054B (en) * 1985-09-06 1988-06-27 Vni I Pk I Promy Gidroprivodov ELECTROHYDRAULIC AMPLIFIER TRANSFORMER
EP3536980B1 (en) * 2018-03-08 2022-12-28 Hamilton Sundstrand Corporation Valve body for a servovalve
PL3557103T3 (en) * 2018-04-19 2021-07-19 Hamilton Sundstrand Corporation Flapper servo valve nozzle housing
CN108716489B (en) * 2018-08-07 2020-04-10 上海航天控制技术研究所 Power stage structure of electro-hydraulic pressure servo valve

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850685A (en) * 1953-08-07 1958-09-02 Gen Controls Co Electromagnetic operator and mount therefor
US2904055A (en) * 1957-02-13 1959-09-15 Textron Inc Hydraulic amplifier valve with feedback
FR1194539A (en) * 1958-03-26 1959-11-10 Rech S Etudes Very low leakage hydraulic servo-valve
FR1258366A (en) * 1960-03-02 1961-04-14 Rech Etudes Production Sarl primary stage with vane and torsion tube for two-stage hydraulic distributor
FR1390190A (en) * 1963-07-12 1965-02-26 Rech Etudes Prod Two-stage electro-hydraulic servo-valve with internal mechanical feedback
US3366132A (en) * 1965-10-24 1968-01-30 Charles R. Fore Electrically actuated hydraulic servovalve and torque motor
US3454026A (en) * 1968-06-26 1969-07-08 Bendix Corp Pressure feedback

Also Published As

Publication number Publication date
DE2364350B2 (en) 1981-02-26
IT1000593B (en) 1976-04-10
FR2212498A1 (en) 1974-07-26
DE2364350C3 (en) 1981-10-15
GB1440958A (en) 1976-06-30
US3892260A (en) 1975-07-01
DE2364350A1 (en) 1974-07-04

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Legal Events

Date Code Title Description
ST Notification of lapse