GB1580472A - Servo-valves - Google Patents

Servo-valves Download PDF

Info

Publication number
GB1580472A
GB1580472A GB29494/77A GB2949477A GB1580472A GB 1580472 A GB1580472 A GB 1580472A GB 29494/77 A GB29494/77 A GB 29494/77A GB 2949477 A GB2949477 A GB 2949477A GB 1580472 A GB1580472 A GB 1580472A
Authority
GB
United Kingdom
Prior art keywords
sleeve
servo
valve
liner
spindle
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
GB29494/77A
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.)
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Original Assignee
Societe dOptique Precision Electronique et Mecanique SOPELEM 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 Societe dOptique Precision Electronique et Mecanique SOPELEM SA filed Critical Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Publication of GB1580472A publication Critical patent/GB1580472A/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
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • 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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool 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
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/8659—Variable orifice-type modulator
    • 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
    • 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
    • Y10T137/877—With flow control means for branched passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
GB29494/77A 1976-08-20 1977-07-13 Servo-valves Expired GB1580472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7625314A FR2362289A1 (fr) 1976-08-20 1976-08-20 Servovalve electrohydraulique

Publications (1)

Publication Number Publication Date
GB1580472A true GB1580472A (en) 1980-12-03

Family

ID=9177029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29494/77A Expired GB1580472A (en) 1976-08-20 1977-07-13 Servo-valves

Country Status (5)

Country Link
US (1) US4193425A (enExample)
DE (1) DE2730144A1 (enExample)
FR (1) FR2362289A1 (enExample)
GB (1) GB1580472A (enExample)
IT (1) IT1083023B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54149928A (en) * 1978-05-16 1979-11-24 Aisin Seiki Motor operation type flow quantity proportional control valve
DE3348219C2 (en) * 1983-10-24 1992-03-12 Mannesmann Rexroth Gmbh, 8770 Lohr, De Control motor for servo-valve
DE3338602A1 (de) * 1983-10-24 1985-05-09 Mannesmann Rexroth GmbH, 8770 Lohr Steuermotor sowie diesen aufweisendes servoventil
US5076326A (en) * 1990-10-15 1991-12-31 Coltec Industries Inc. Electromagnetically operated fluid control valve
DE4110926C2 (de) 1991-04-04 1996-04-04 Rexroth Mannesmann Gmbh Einstellbares Druckbegrenzungsventil
RU2178841C2 (ru) * 2000-03-10 2002-01-27 Открытое акционерное общество "Павловский машиностроительный завод ВОСХОД" Двухкаскадный электрогидравлический усилитель
RU2183293C2 (ru) * 2000-05-31 2002-06-10 Открытое акционерное общество "Павловский машиностроительный завод ВОСХОД" Двухкаскадный электрогидравлический усилитель
RU2218485C2 (ru) * 2002-02-18 2003-12-10 Харьковское Агрегатное Конструкторское Бюро Электрогидроусилитель
US6786236B2 (en) * 2002-03-21 2004-09-07 Jansen's Aircraft Systems Controls, Inc. Electrohydraulic servo valve
FR2873828B1 (fr) * 2004-07-27 2006-10-20 In Lhc Soc Par Actions Simplif Servovalve de regulation de pression a debit de fuite reduit
EP3284956B1 (en) * 2016-08-16 2019-07-24 Hamilton Sundstrand Corporation Servovalve
FR3079566B1 (fr) 2018-03-30 2020-03-13 Fluid Actuation & Control Toulouse Servovalve de regulation de debit ou de pression d'un fluide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD54538A (enExample) *
US2327366A (en) * 1940-08-02 1943-08-24 Grade Crossing Guard Corp Crossing protective system
US3003476A (en) * 1957-09-11 1961-10-10 Gen Precision Inc Motor flapper controlled hydraulic servo valve
US3101650A (en) * 1959-02-24 1963-08-27 Bell Aerospace Corp Hydromechanical rate damped servo system
NL242603A (enExample) * 1959-06-04 1900-01-01
US3093155A (en) * 1960-06-20 1963-06-11 Bendix Corp Variable-restriction valve
US3542051A (en) * 1967-12-29 1970-11-24 Moog Inc Free jet stream deflector servovalve
US3588039A (en) * 1969-09-05 1971-06-28 Bolt Associates Inc Solenoid valve structures and systems

Also Published As

Publication number Publication date
DE2730144A1 (de) 1978-02-23
FR2362289B1 (enExample) 1980-09-26
FR2362289A1 (fr) 1978-03-17
US4193425A (en) 1980-03-18
IT1083023B (it) 1985-05-21

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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