FR2121136A5 - - Google Patents

Info

Publication number
FR2121136A5
FR2121136A5 FR7147515A FR7147515A FR2121136A5 FR 2121136 A5 FR2121136 A5 FR 2121136A5 FR 7147515 A FR7147515 A FR 7147515A FR 7147515 A FR7147515 A FR 7147515A FR 2121136 A5 FR2121136 A5 FR 2121136A5
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
FR7147515A
Other languages
French (fr)
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.)
Westport Development and Manufacturing Co Inc
Original Assignee
Westport Development and Manufacturing Co Inc
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 Westport Development and Manufacturing Co Inc filed Critical Westport Development and Manufacturing Co Inc
Application granted granted Critical
Publication of FR2121136A5 publication Critical patent/FR2121136A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H35/32—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by bellows

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
FR7147515A 1970-12-30 1971-12-30 Expired FR2121136A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10265670A 1970-12-30 1970-12-30

Publications (1)

Publication Number Publication Date
FR2121136A5 true FR2121136A5 (en) 1972-08-18

Family

ID=22290980

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7147515A Expired FR2121136A5 (en) 1970-12-30 1971-12-30

Country Status (5)

Country Link
US (1) US3742165A (en)
CA (1) CA938964A (en)
DE (1) DE2164752A1 (en)
FR (1) FR2121136A5 (en)
GB (1) GB1371636A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063057A (en) * 1975-04-23 1977-12-13 Meisenheimer Jr Daniel T Temperature compensated pressure differential sensing devices, including improved press-to-test and glass header switch mounting
US4006329A (en) * 1975-05-14 1977-02-01 Westport Development & Mfg. Co. Inc. Switch for sensing a selected ratio between two different pressures
US4439654A (en) * 1982-09-29 1984-03-27 Motorola, Inc. Waterproof control knob assembly with integral switch
DE8312296U1 (en) * 1983-04-27 1983-12-01 Ranco Inc., 43017 Dublin, Ohio Temperature-dependent switch
US4645888A (en) * 1984-04-09 1987-02-24 Raychem Corporation Load break switch with safety mechanism
US7732722B1 (en) * 2009-02-24 2010-06-08 Honeywell International Inc. Hermetically sealed pressure switch with composite actuation mechanism

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA634082A (en) * 1962-01-09 A. Starbird George Pressure switch
FR694892A (en) * 1930-05-02 1930-12-09 Automatic switch-warning device for ignition circuits in automobile and other engines
US2395007A (en) * 1944-04-10 1946-02-19 United Electric Controls Co Automatic circuit controller
US2475069A (en) * 1945-11-09 1949-07-05 Delos R Wood Warning device for refrigerators
US2693240A (en) * 1948-02-05 1954-11-02 Graviner Manufacturing Co Method and apparatus for preventing explosions and extinguishing fires
US2890305A (en) * 1957-04-15 1959-06-09 Parmatic Engineering Ltd Hermetically sealed pressure sensitive switch having exteriorly suspended actuating means
US3056004A (en) * 1959-08-10 1962-09-25 Allen V C Davis Sensitive pressure switch
US3132592A (en) * 1961-02-13 1964-05-12 Albert Products Inc Level controlled pumping systems and switch assemblies therefor
US3431378A (en) * 1967-09-27 1969-03-04 Westport Dev Mfg Co Hermetically impervious switch

Also Published As

Publication number Publication date
GB1371636A (en) 1974-10-23
US3742165A (en) 1973-06-26
CA938964A (en) 1973-12-25
DE2164752A1 (en) 1972-07-27

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Legal Events

Date Code Title Description
ST Notification of lapse