AU1259170A - Improvements in or relating to control units for valve actuators. - Google Patents

Improvements in or relating to control units for valve actuators.

Info

Publication number
AU1259170A
AU1259170A AU12591/70A AU1259170A AU1259170A AU 1259170 A AU1259170 A AU 1259170A AU 12591/70 A AU12591/70 A AU 12591/70A AU 1259170 A AU1259170 A AU 1259170A AU 1259170 A AU1259170 A AU 1259170A
Authority
AU
Australia
Prior art keywords
relating
control units
valve actuators
actuators
valve
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
AU12591/70A
Inventor
Joseph Fry Jeremy
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 Controls Ltd
Original Assignee
Rotork Controls 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 Rotork Controls Ltd filed Critical Rotork Controls Ltd
Publication of AU1259170A publication Critical patent/AU1259170A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • F16K31/048—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means with torque limiters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Mechanically-Actuated Valves (AREA)
AU12591/70A 1969-03-13 1970-03-13 Improvements in or relating to control units for valve actuators. Expired AU1259170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB03260/69A GB1277661A (en) 1969-03-13 1969-03-13 Improvements in or relating to electric switch control units for electric motor driven actuators

Publications (1)

Publication Number Publication Date
AU1259170A true AU1259170A (en) 1970-03-13

Family

ID=10019730

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12591/70A Expired AU1259170A (en) 1969-03-13 1970-03-13 Improvements in or relating to control units for valve actuators.

Country Status (5)

Country Link
US (1) US3626119A (en)
JP (1) JPS4912207B1 (en)
AU (1) AU1259170A (en)
FR (1) FR2034911A1 (en)
GB (1) GB1277661A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814633U (en) * 1981-07-21 1983-01-29 三菱電機株式会社 limit switch mechanism
US7087849B2 (en) * 2004-04-20 2006-08-08 One Pass Farm Equipment, Llc Switch device and method for controlling a sprayer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822439A (en) * 1955-02-10 1958-02-04 Square D Co Electric switch
US2852630A (en) * 1955-04-04 1958-09-16 Joseph Adamson & Company Ltd Limit switch actuator
US3312916A (en) * 1957-09-05 1967-04-04 Vaino A Hoover Actuator with limiting mechanism and torque limiting clutch
US3068332A (en) * 1957-10-17 1962-12-11 Max L Jeffrey Snap switch
GB1003761A (en) * 1961-05-23 1965-09-08 Rotork Eng Co Ltd Improvements in or relating to electrical control units, more particularly for valveactuators
US3239616A (en) * 1964-05-05 1966-03-08 Crane Co Valve indicator and limit switch combination
US3303299A (en) * 1966-01-28 1967-02-07 Ramcon Corp Valve actuator and switch mechanism
GB1207967A (en) * 1966-12-15 1970-10-07 Rotork Controls Improvements in or relating to electric switch controls for electric motor-driven actuators
GB1207969A (en) * 1966-12-15 1970-10-07 Rotork Controls Improvements in or relating to electric switch controls units for electric motor driven actuators
GB1180357A (en) * 1967-11-21 1970-02-04 Keller & Knappich Gmbh Torque Overload Safety Device for Clutches
US3495059A (en) * 1968-03-18 1970-02-10 Gen Electric Torque tube connected pantograph operating mechanism for electrical contact assemblies

Also Published As

Publication number Publication date
GB1277661A (en) 1972-06-14
DE2012088A1 (en) 1970-09-17
US3626119A (en) 1971-12-07
JPS4912207B1 (en) 1974-03-23
FR2034911A1 (en) 1970-12-18
DE2012088B2 (en) 1972-06-22

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