FR1038285A - A pressurized fluid actuated electrical switch for responding to a change in a predetermined pressure of a pressurized fluid source - Google Patents

A pressurized fluid actuated electrical switch for responding to a change in a predetermined pressure of a pressurized fluid source

Info

Publication number
FR1038285A
FR1038285A FR1038285DA FR1038285A FR 1038285 A FR1038285 A FR 1038285A FR 1038285D A FR1038285D A FR 1038285DA FR 1038285 A FR1038285 A FR 1038285A
Authority
FR
France
Prior art keywords
pressurized fluid
responding
change
predetermined pressure
electrical switch
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.)
SPEED DEV Co Ltd
Original Assignee
SPEED DEV Co 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 SPEED DEV Co Ltd filed Critical SPEED DEV Co Ltd
Application granted granted Critical
Publication of FR1038285A publication Critical patent/FR1038285A/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
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
FR1038285D 1950-06-14 1951-06-08 A pressurized fluid actuated electrical switch for responding to a change in a predetermined pressure of a pressurized fluid source Expired FR1038285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14878/50A GB706770A (en) 1950-06-14 1950-06-14 Improvements in fluid pressure operated electric switches

Publications (1)

Publication Number Publication Date
FR1038285A true FR1038285A (en) 1953-09-28

Family

ID=10049113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1038285D Expired FR1038285A (en) 1950-06-14 1951-06-08 A pressurized fluid actuated electrical switch for responding to a change in a predetermined pressure of a pressurized fluid source

Country Status (5)

Country Link
US (1) US2718565A (en)
DE (1) DE893984C (en)
FR (1) FR1038285A (en)
GB (1) GB706770A (en)
NL (2) NL161721B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010611B (en) * 1953-04-27 1957-06-19 Jean Mercier Pressure fluid operated electrical switching device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807686A (en) * 1955-01-03 1957-09-24 Robert B Clendenin Automatic control switch
US2990780A (en) * 1959-02-16 1961-07-04 Robertshaw Fulton Controls Co Control for fluid system
US3056004A (en) * 1959-08-10 1962-09-25 Allen V C Davis Sensitive pressure switch
US3103219A (en) * 1961-07-27 1963-09-10 Richard T Chadner Sleep inducing heating pad
DE3109453C2 (en) * 1980-04-01 1985-11-14 Fa. Andreas Maier, 7012 Fellbach "Pressure control device"
JPS5959439U (en) * 1982-10-12 1984-04-18 三菱電機株式会社 diaphragm device
DE3731661A1 (en) * 1987-09-20 1989-03-30 Sempell Rhein Armaturen DEVICE FOR INFLUENCING THE RETURN VALUE OF A VALVE OR A PRESSURE SWITCH
CN114188181B (en) * 2022-02-17 2022-05-24 成都凯天电子股份有限公司 Height switch for aircraft wastewater system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE164687C (en) *
US1214920A (en) * 1914-02-16 1917-02-06 New Jersey Patent Co Electric switch.
US1827103A (en) * 1929-01-28 1931-10-13 Penn Electric Switch Co Differential widening means
US2310138A (en) * 1941-10-23 1943-02-02 Westinghouse Electric & Mfg Co Electrical switching apparatus
GB647445A (en) * 1948-07-30 1950-12-13 Speed Dev Company Ltd Improvements in fluid pressure operated electric switches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010611B (en) * 1953-04-27 1957-06-19 Jean Mercier Pressure fluid operated electrical switching device

Also Published As

Publication number Publication date
NL76975C (en)
DE893984C (en) 1953-10-22
GB706770A (en) 1954-04-07
US2718565A (en) 1955-09-20
NL161721B (en)

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