FR2105269B1 - - Google Patents

Info

Publication number
FR2105269B1
FR2105269B1 FR7131998A FR7131998A FR2105269B1 FR 2105269 B1 FR2105269 B1 FR 2105269B1 FR 7131998 A FR7131998 A FR 7131998A FR 7131998 A FR7131998 A FR 7131998A FR 2105269 B1 FR2105269 B1 FR 2105269B1
Authority
FR
France
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
FR7131998A
Other languages
French (fr)
Other versions
FR2105269A1 (enExample
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
Publication of FR2105269A1 publication Critical patent/FR2105269A1/fr
Application granted granted Critical
Publication of FR2105269B1 publication Critical patent/FR2105269B1/fr
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)
FR7131998A 1970-09-04 1971-09-03 Expired FR2105269B1 (enExample)

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 (2)

Publication Number Publication Date
FR2105269A1 FR2105269A1 (enExample) 1972-04-28
FR2105269B1 true FR2105269B1 (enExample) 1975-06-06

Family

ID=26243152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7131998A Expired FR2105269B1 (enExample) 1970-09-04 1971-09-03

Country Status (4)

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

Families Citing this family (4)

* 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
US6892534B2 (en) * 2003-07-18 2005-05-17 Young & Franklin Inc. Electro-hydrostatic actuator with a failsafe system

Also Published As

Publication number Publication date
FR2105269A1 (enExample) 1972-04-28
GB1357529A (en) 1974-06-26
DE2144086A1 (de) 1972-03-09
IT939787B (it) 1973-02-10

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Legal Events

Date Code Title Description
ST Notification of lapse