FR616863A - Improvements to automatic switches - Google Patents

Improvements to automatic switches

Info

Publication number
FR616863A
FR616863A FR616863DA FR616863A FR 616863 A FR616863 A FR 616863A FR 616863D A FR616863D A FR 616863DA FR 616863 A FR616863 A FR 616863A
Authority
FR
France
Prior art keywords
automatic switches
switches
automatic
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR616863A publication Critical patent/FR616863A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/28—Switches having at least one liquid contact with level of surface of contact liquid displaced by fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Resistance Heating (AREA)
  • Secondary Cells (AREA)
FR616863D 1924-11-28 1926-05-28 Improvements to automatic switches Expired FR616863A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US752529A US1674489A (en) 1924-11-28 1924-11-28 Automatic switch

Publications (1)

Publication Number Publication Date
FR616863A true FR616863A (en) 1927-02-09

Family

ID=25026677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR616863D Expired FR616863A (en) 1924-11-28 1926-05-28 Improvements to automatic switches

Country Status (3)

Country Link
US (1) US1674489A (en)
FR (1) FR616863A (en)
GB (1) GB243712A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484110A (en) * 1945-05-18 1949-10-11 Mestitz Ervin Electric timing relay
US2577653A (en) * 1945-05-22 1951-12-04 Mabel S Dysart Mercury switch
US2536306A (en) * 1946-05-13 1951-01-02 William V Offutt System for preventing overheating of x-ray tubes and the like
US3166657A (en) * 1960-08-22 1965-01-19 Ishiguro Yasunosuke Time delay mercury switch with gas equalization means
GB1502553A (en) * 1975-05-13 1978-03-01 Efther J Electric switch

Also Published As

Publication number Publication date
US1674489A (en) 1928-06-19
GB243712A (en) 1926-07-08

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