GB1444910A - Electro-hydraulic actuator - Google Patents

Electro-hydraulic actuator

Info

Publication number
GB1444910A
GB1444910A GB4508072A GB4508072A GB1444910A GB 1444910 A GB1444910 A GB 1444910A GB 4508072 A GB4508072 A GB 4508072A GB 4508072 A GB4508072 A GB 4508072A GB 1444910 A GB1444910 A GB 1444910A
Authority
GB
United Kingdom
Prior art keywords
space
piston
pressure
valve
sept
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
GB4508072A
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.)
Unisys Group Services Ltd
Original Assignee
Sperry Rand Ltd
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 Sperry Rand Ltd filed Critical Sperry Rand Ltd
Priority to GB4508072A priority Critical patent/GB1444910A/en
Priority to US398412A priority patent/US3872772A/en
Priority to CH1343873A priority patent/CH560849A5/xx
Priority to DE2347061A priority patent/DE2347061C2/de
Priority to AU60574/73A priority patent/AU474484B2/en
Priority to CA181,826A priority patent/CA983351A/en
Priority to IT29374/73A priority patent/IT993424B/it
Priority to FR7334361A priority patent/FR2201405B1/fr
Priority to SE7313123A priority patent/SE399307B/xx
Publication of GB1444910A publication Critical patent/GB1444910A/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
    • 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
    • F15B9/09—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 with electrical control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Actuator (AREA)
  • Safety Valves (AREA)
  • Control Of Fluid Pressure (AREA)
GB4508072A 1972-09-29 1972-09-29 Electro-hydraulic actuator Expired GB1444910A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB4508072A GB1444910A (en) 1972-09-29 1972-09-29 Electro-hydraulic actuator
US398412A US3872772A (en) 1972-09-29 1973-09-18 Electro-hydraulic actuator
CH1343873A CH560849A5 (US20100292554A1-20101118-C00004.png) 1972-09-29 1973-09-19
DE2347061A DE2347061C2 (de) 1972-09-29 1973-09-19 Elektrohydraulische Stellvorrichtung
AU60574/73A AU474484B2 (en) 1972-09-29 1973-09-21 Electrohydraulic actuator
CA181,826A CA983351A (en) 1972-09-29 1973-09-24 Electro-hydraulic actuator
IT29374/73A IT993424B (it) 1972-09-29 1973-09-25 Azionatore elettroidraulico
FR7334361A FR2201405B1 (US20100292554A1-20101118-C00004.png) 1972-09-29 1973-09-25
SE7313123A SE399307B (sv) 1972-09-29 1973-09-26 Elektrohydraulisk paverkningsanordning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4508072A GB1444910A (en) 1972-09-29 1972-09-29 Electro-hydraulic actuator

Publications (1)

Publication Number Publication Date
GB1444910A true GB1444910A (en) 1976-08-04

Family

ID=10435804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4508072A Expired GB1444910A (en) 1972-09-29 1972-09-29 Electro-hydraulic actuator

Country Status (9)

Country Link
US (1) US3872772A (US20100292554A1-20101118-C00004.png)
AU (1) AU474484B2 (US20100292554A1-20101118-C00004.png)
CA (1) CA983351A (US20100292554A1-20101118-C00004.png)
CH (1) CH560849A5 (US20100292554A1-20101118-C00004.png)
DE (1) DE2347061C2 (US20100292554A1-20101118-C00004.png)
FR (1) FR2201405B1 (US20100292554A1-20101118-C00004.png)
GB (1) GB1444910A (US20100292554A1-20101118-C00004.png)
IT (1) IT993424B (US20100292554A1-20101118-C00004.png)
SE (1) SE399307B (US20100292554A1-20101118-C00004.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1465674A (en) * 1973-02-26 1977-02-23 Sperry Rand Ltd Electrically-operated fluid actuator
GB1580946A (en) * 1977-05-27 1980-12-10 Abex Corp Flow control valve
DE3045831C2 (de) * 1980-12-05 1984-06-14 Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf Stützklappe für einen starr schließenden Verschluß von automatischen Feuerwaffen
DE4302130C2 (de) * 1993-01-27 1995-04-13 Orenstein & Koppel Ag Elektro-hydraulische Stelleinheit
US6883320B2 (en) * 2003-07-08 2005-04-26 G. W. Lisk Company, Inc. Control system regulating air flow to engine intake
US8118571B2 (en) * 2005-03-31 2012-02-21 Dana Automotive Systems Group, Llc Actuator assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574335A (en) * 1948-02-21 1951-11-06 Ledue Rene Fluid-pressure motor device for control systems
DE1092771B (de) * 1955-03-08 1960-11-10 Asea Ab Hydraulischer Servomotor
DE1072101B (US20100292554A1-20101118-C00004.png) * 1958-09-09 1959-12-24
FR1264660A (fr) * 1960-05-13 1961-06-23 Rech Etudes Prod Positionneur à commande électrohydraulique
FR1423873A (fr) * 1964-11-24 1966-01-07 Franco Belge Mat Chemin Fer Dispositif hydro-électrique de positionnement linéaire
GB1141915A (en) * 1965-10-22 1969-02-05 Chandler Evans Inc A digital pulse operated positioning apparatus
GB1264121A (US20100292554A1-20101118-C00004.png) * 1968-02-14 1972-02-16
US3664235A (en) * 1969-09-22 1972-05-23 Serck Industries Ltd Fluid pressure operated servo arrangement
BE757514A (fr) * 1969-10-15 1971-03-16 Bosch Gmbh Robert Installation hydraulique pour la commande d'organes de vehicules automobiles, notamment du rabatteur d'une moissonneuse-batteuse

Also Published As

Publication number Publication date
US3872772A (en) 1975-03-25
FR2201405A1 (US20100292554A1-20101118-C00004.png) 1974-04-26
IT993424B (it) 1975-09-30
CH560849A5 (US20100292554A1-20101118-C00004.png) 1975-04-15
FR2201405B1 (US20100292554A1-20101118-C00004.png) 1976-10-01
DE2347061A1 (de) 1974-05-02
DE2347061C2 (de) 1984-09-13
AU6057473A (en) 1975-03-27
AU474484B2 (en) 1976-07-22
CA983351A (en) 1976-02-10
SE399307B (sv) 1978-02-06

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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