GB1357529A - Actuators - Google Patents

Actuators

Info

Publication number
GB1357529A
GB1357529A GB4235270A GB4235270A GB1357529A GB 1357529 A GB1357529 A GB 1357529A GB 4235270 A GB4235270 A GB 4235270A GB 4235270 A GB4235270 A GB 4235270A GB 1357529 A GB1357529 A GB 1357529A
Authority
GB
United Kingdom
Prior art keywords
piston
fluid
valve
reservoir
solenoid
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
GB4235270A
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.)
Rotork PLC
Original Assignee
Rotork PLC
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 Rotork PLC filed Critical Rotork PLC
Priority to GB4235270A priority Critical patent/GB1357529A/en
Priority to DE19712144086 priority patent/DE2144086A1/de
Priority to IT6993371A priority patent/IT939787B/it
Priority to FR7131998A priority patent/FR2105269B1/fr
Publication of GB1357529A publication Critical patent/GB1357529A/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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
GB4235270A 1970-09-04 1970-09-04 Actuators Expired GB1357529A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB4235270A GB1357529A (en) 1970-09-04 1970-09-04 Actuators
DE19712144086 DE2144086A1 (de) 1970-09-04 1971-09-02 Betätigungsorgan, insbesondere motorischer Steuerantrieb für Ventile
IT6993371A IT939787B (it) 1970-09-04 1971-09-03 Attuattore a comando elettrico per il posizionamento a distanza di un organo d uscita
FR7131998A FR2105269B1 (enExample) 1970-09-04 1971-09-03

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4235270A GB1357529A (en) 1970-09-04 1970-09-04 Actuators
GB975871 1971-04-19

Publications (1)

Publication Number Publication Date
GB1357529A true GB1357529A (en) 1974-06-26

Family

ID=26243152

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4235270A Expired GB1357529A (en) 1970-09-04 1970-09-04 Actuators

Country Status (4)

Country Link
DE (1) DE2144086A1 (enExample)
FR (1) FR2105269B1 (enExample)
GB (1) GB1357529A (enExample)
IT (1) IT939787B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1498614A3 (en) * 2003-07-18 2005-06-29 Young & Franklin, Inc. Electro-hydrostatic actuator with a failsafe system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3019626C2 (de) * 1980-05-22 1984-06-20 Kraftwerk Union AG, 4330 Mülheim Elektrohydraulischer Stellantrieb für Ventile
DE3019602C2 (de) * 1980-05-22 1984-10-11 Kraftwerk Union AG, 4330 Mülheim Elektrohydraulischer Stellantrieb für Turbinenventile
DE8905880U1 (de) * 1989-05-11 1989-06-29 Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart Elektrische Antriebseinrichtung mit Notverstellmechanismus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1498614A3 (en) * 2003-07-18 2005-06-29 Young & Franklin, Inc. Electro-hydrostatic actuator with a failsafe system

Also Published As

Publication number Publication date
FR2105269A1 (enExample) 1972-04-28
DE2144086A1 (de) 1972-03-09
FR2105269B1 (enExample) 1975-06-06
IT939787B (it) 1973-02-10

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees