CH352572A - Two-stage hydraulic servo-valve - Google Patents

Two-stage hydraulic servo-valve

Info

Publication number
CH352572A
CH352572A CH352572DA CH352572A CH 352572 A CH352572 A CH 352572A CH 352572D A CH352572D A CH 352572DA CH 352572 A CH352572 A CH 352572A
Authority
CH
Switzerland
Prior art keywords
valve
hydraulic servo
stage hydraulic
stage
servo
Prior art date
Application number
Other languages
French (fr)
Inventor
Lucien Rene
Original Assignee
Rech Etudes Production R E P
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 FR789654A external-priority patent/FR75362E/en
Application filed by Rech Etudes Production R E P filed Critical Rech Etudes Production R E P
Publication of CH352572A publication Critical patent/CH352572A/en

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
    • Y10T137/2278—Pressure modulating relays or followers
    • Y10T137/2409—With counter-balancing pressure feedback to the modulating device
    • 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)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Control Of Fluid Pressure (AREA)
  • Coating Apparatus (AREA)
CH352572D 1958-03-26 1959-03-26 Two-stage hydraulic servo-valve CH352572A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR3025867X 1958-03-26
FR761598 1959-03-18
FR789654A FR75362E (en) 1959-03-18 1959-03-18 High performance, ultra low leakage hydraulic servo motor distributor

Publications (1)

Publication Number Publication Date
CH352572A true CH352572A (en) 1961-02-28

Family

ID=32397583

Family Applications (1)

Application Number Title Priority Date Filing Date
CH352572D CH352572A (en) 1958-03-26 1959-03-26 Two-stage hydraulic servo-valve

Country Status (5)

Country Link
US (1) US3025867A (en)
CH (1) CH352572A (en)
DE (1) DE1161733B (en)
FR (1) FR1194539A (en)
GB (1) GB902006A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2212498B1 (en) * 1972-12-29 1976-01-30 Messier Hispano Fr
US7726340B2 (en) * 2006-11-09 2010-06-01 Honeywell International Inc. Flexible, hermetic pivot seal for torque motor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2146176A (en) * 1939-02-07 Regulating device
DE314523C (en) *
US2742919A (en) * 1951-06-30 1956-04-24 Gen Controls Co Electromagnetically operated balanced pilot valve
US2767689A (en) * 1953-05-22 1956-10-23 Cornell Aeronautical Labor Inc Electrohydraulic servo valve
US2858849A (en) * 1955-02-28 1958-11-04 Gen Controls Co Multi-positional control valve
US2790427A (en) * 1955-09-23 1957-04-30 Ex Cell O Corp Flow control servo valve
FR1137106A (en) * 1955-11-28 1957-05-23 Rech S Etudes Hydraulic distributor, in particular with electromagnetic control
DE1024767B (en) * 1956-02-10 1958-02-20 Forkardt Paul Kg Electromagnetically controlled four-way valve
US2896588A (en) * 1956-04-04 1959-07-28 Sanders Associates Inc Electro-hydraulic servo valve

Also Published As

Publication number Publication date
US3025867A (en) 1962-03-20
FR1194539A (en) 1959-11-10
GB902006A (en) 1962-07-25
DE1161733B (en) 1964-01-23

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