BE781138A - Commande de secours manuelle pour des dispositifs de manoeuvre,dits operateurs de vanne - Google Patents

Commande de secours manuelle pour des dispositifs de manoeuvre,dits operateurs de vanne

Info

Publication number
BE781138A
BE781138A BE781138A BE781138A BE781138A BE 781138 A BE781138 A BE 781138A BE 781138 A BE781138 A BE 781138A BE 781138 A BE781138 A BE 781138A BE 781138 A BE781138 A BE 781138A
Authority
BE
Belgium
Prior art keywords
emergency control
manual emergency
valve operators
called valve
maneuvering devices
Prior art date
Application number
BE781138A
Other languages
English (en)
Inventor
D G Fawkes
Original Assignee
Pratt Co Henry
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 Pratt Co Henry filed Critical Pratt Co Henry
Publication of BE781138A publication Critical patent/BE781138A/fr

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
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • 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
    • F16H—GEARING
    • F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
    • F16H2700/02—Transmissions, specially for working vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
BE781138A 1971-08-23 1972-03-23 Commande de secours manuelle pour des dispositifs de manoeuvre,dits operateurs de vanne BE781138A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17384871A 1971-08-23 1971-08-23

Publications (1)

Publication Number Publication Date
BE781138A true BE781138A (fr) 1972-07-17

Family

ID=22633774

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781138A BE781138A (fr) 1971-08-23 1972-03-23 Commande de secours manuelle pour des dispositifs de manoeuvre,dits operateurs de vanne

Country Status (3)

Country Link
US (1) US3745855A (fr)
BE (1) BE781138A (fr)
CA (1) CA954112A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4295390A (en) * 1979-10-19 1981-10-20 Fmc Corporation Manual override control for double-acting actuator
US7409833B2 (en) * 2005-03-10 2008-08-12 Sunpower, Inc. Dual mode compressor with automatic compression ratio adjustment for adapting to multiple operating conditions

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US433968A (en) * 1890-08-12 Shaft and wheel coupling
US575620A (en) * 1897-01-19 Rotary fan
US777374A (en) * 1903-01-20 1904-12-13 Chapman Valve Mfg Co Motor-disconnecting mechanism for valves.
US2010796A (en) * 1931-06-22 1935-08-06 Bourque Philp Clutch mechanism
US2114981A (en) * 1936-10-31 1938-04-19 Little Giant Inc Ltd Clutch mechanism for washing machines
US2390882A (en) * 1942-09-07 1945-12-11 David W Hopkins Declutching device for powerdriven butterfly valves
US2772578A (en) * 1953-06-15 1956-12-04 Conitech Ltd Power transmission with declutching provision for manual operation
US2815922A (en) * 1955-02-28 1957-12-10 C H Wheeler Mfg Co Power-operated mechanism
US3011359A (en) * 1959-03-06 1961-12-05 E I M Company Inc Operator for a rotatable stem valve or the like
GB1064954A (en) * 1963-05-31 1967-04-12 English Electric Co Ltd Improvements relating to operating mechanisms for spindle-controlled devices
GB998596A (en) * 1963-06-27 1965-07-14 Rotork Eng Co Ltd Improvements in or relating to actuating mechanisms, more particularly for valves

Also Published As

Publication number Publication date
CA954112A (en) 1974-09-03
US3745855A (en) 1973-07-17

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