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FR842540A - Improvements to pressure switches - Google Patents

Improvements to pressure switches

Info

Publication number
FR842540A
FR842540A FR842540DA FR842540A FR 842540 A FR842540 A FR 842540A FR 842540D A FR842540D A FR 842540DA FR 842540 A FR842540 A FR 842540A
Authority
FR
France
Prior art keywords
pressure switches
switches
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
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.)
CBS Corp
Original Assignee
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
Application granted granted Critical
Publication of FR842540A publication Critical patent/FR842540A/en
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
    • H01H35/26—Details
    • H01H35/30—Means for transmitting pressure to pressure-responsive operating part, e.g. by capsule and capillary tube
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0091—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
FR842540D 1937-08-26 1938-08-24 Improvements to pressure switches Expired FR842540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US160964A US2157905A (en) 1937-08-26 1937-08-26 Manometer switch

Publications (1)

Publication Number Publication Date
FR842540A true FR842540A (en) 1939-06-14

Family

ID=22579221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842540D Expired FR842540A (en) 1937-08-26 1938-08-24 Improvements to pressure switches

Country Status (2)

Country Link
US (1) US2157905A (en)
FR (1) FR842540A (en)

Also Published As

Publication number Publication date
US2157905A (en) 1939-05-09

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