GB1440958A - Electrohydraulic servo-distributor - Google Patents

Electrohydraulic servo-distributor

Info

Publication number
GB1440958A
GB1440958A GB5942773A GB5942773A GB1440958A GB 1440958 A GB1440958 A GB 1440958A GB 5942773 A GB5942773 A GB 5942773A GB 5942773 A GB5942773 A GB 5942773A GB 1440958 A GB1440958 A GB 1440958A
Authority
GB
United Kingdom
Prior art keywords
valve
pressure
dec
communicates
output
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
GB5942773A
Other languages
English (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
Publication of GB1440958A publication Critical patent/GB1440958A/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
    • 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)
GB5942773A 1972-12-29 1973-12-21 Electrohydraulic servo-distributor Expired GB1440958A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1440958A true GB1440958A (en) 1976-06-30

Family

ID=9109540

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5942773A Expired GB1440958A (en) 1972-12-29 1973-12-21 Electrohydraulic servo-distributor

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123185A (en) * 1982-07-02 1984-01-25 Dowty Hydraulic Units Ltd Eleotro-hydraulic servo valves

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109560A1 (de) * 1981-03-13 1982-09-30 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffeinspritzanlage
DE3122436A1 (de) * 1981-06-05 1983-01-05 Mannesmann Rexroth GmbH, 8770 Lohr Proportional arbeitendes ventil
FR2521232B1 (fr) * 1982-02-11 1986-02-21 Messier Hispano Sa Servo-distributeur electro-hydraulique
US4458839A (en) * 1982-03-03 1984-07-10 Masco Corporation Thermostatic valve assembly
DE3225179A1 (de) * 1982-07-06 1984-01-12 Robert Bosch Gmbh, 7000 Stuttgart Drucksteuerventil
AT386054B (de) * 1985-09-06 1988-06-27 Vni I Pk I Promy Gidroprivodov Elektrohydraulischer verstaerker-umformer
EP3536980B1 (en) * 2018-03-08 2022-12-28 Hamilton Sundstrand Corporation Valve body for a servovalve
EP3557103B1 (en) * 2018-04-19 2020-11-25 Hamilton Sundstrand Corporation Flapper servo valve nozzle housing
CN108716489B (zh) * 2018-08-07 2020-04-10 上海航天控制技术研究所 一种电液压力伺服阀功率级结构

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 (fr) * 1958-03-26 1959-11-10 Rech S Etudes Servo-distributeur hydraulique à fuites très réduites
FR1258366A (fr) * 1960-03-02 1961-04-14 Rech Etudes Production Sarl étage primaire à palette et tube de torsion pour distributeur hydraulique à deux étages
FR1390190A (fr) * 1963-07-12 1965-02-26 Rech Etudes Prod Servo-distributeur électro-hydraulique à deux étages à contre-réaction mécanique interne
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123185A (en) * 1982-07-02 1984-01-25 Dowty Hydraulic Units Ltd Eleotro-hydraulic servo valves

Also Published As

Publication number Publication date
FR2212498B1 (enrdf_load_stackoverflow) 1976-01-30
DE2364350C3 (de) 1981-10-15
FR2212498A1 (enrdf_load_stackoverflow) 1974-07-26
DE2364350A1 (de) 1974-07-04
DE2364350B2 (de) 1981-02-26
IT1000593B (it) 1976-04-10
US3892260A (en) 1975-07-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee