FR930787A - Perfectionnements aux dispositifs contacteurs actionnés par pression - Google Patents

Perfectionnements aux dispositifs contacteurs actionnés par pression

Info

Publication number
FR930787A
FR930787A FR930787DA FR930787A FR 930787 A FR930787 A FR 930787A FR 930787D A FR930787D A FR 930787DA FR 930787 A FR930787 A FR 930787A
Authority
FR
France
Prior art keywords
pressure actuated
contactor devices
actuated contactor
devices
pressure
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
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.)
RTX Corp
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Application granted granted Critical
Publication of FR930787A publication Critical patent/FR930787A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/301—Blade pitch-changing mechanisms characterised by blade position indicating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
    • B64C11/42—Blade pitch-changing mechanisms fluid, e.g. hydraulic non-automatic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
FR930787D 1940-12-27 1946-07-18 Perfectionnements aux dispositifs contacteurs actionnés par pression Expired FR930787A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US371868A US2335073A (en) 1940-12-27 1940-12-27 Pressure actuated switch

Publications (1)

Publication Number Publication Date
FR930787A true FR930787A (fr) 1948-02-04

Family

ID=23465731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930787D Expired FR930787A (fr) 1940-12-27 1946-07-18 Perfectionnements aux dispositifs contacteurs actionnés par pression

Country Status (3)

Country Link
US (1) US2335073A (fr)
FR (1) FR930787A (fr)
GB (1) GB553583A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431674A (en) * 1941-04-03 1947-12-02 Honeywell Regulator Co Differential pressure switch
US2604561A (en) * 1948-11-22 1952-07-22 Joseph M Simon Pressure differential switch
US3060290A (en) * 1959-05-04 1962-10-23 Gen Motors Corp Time delay switch
US3118986A (en) * 1962-04-23 1964-01-21 Henry W Lewis Explosive actuated circuit breaker
US3246707A (en) * 1964-02-17 1966-04-19 Schlumberger Well Surv Corp Selective firing system
US3508236A (en) * 1967-03-28 1970-04-21 Robert H Adams Fluid pressure system warning device
US5225641A (en) * 1992-06-24 1993-07-06 Allied-Signal Inc. Fluid flow switch assembly
IT243620Y1 (it) * 1997-06-03 2002-03-05 Vimatic S R L Interruttore elettrico a differenziale di pressione idraulica opneumatica
US6635836B1 (en) 2002-04-18 2003-10-21 Oil-Rite Corporation Housing contained fluid flow switch and indicator

Also Published As

Publication number Publication date
GB553583A (en) 1943-05-27
US2335073A (en) 1943-11-23

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