FR668708A - Improvements to electrical circuit switches - Google Patents

Improvements to electrical circuit switches

Info

Publication number
FR668708A
FR668708A FR668708DA FR668708A FR 668708 A FR668708 A FR 668708A FR 668708D A FR668708D A FR 668708DA FR 668708 A FR668708 A FR 668708A
Authority
FR
France
Prior art keywords
electrical circuit
circuit switches
switches
electrical
circuit
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 FR668708A publication Critical patent/FR668708A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
FR668708D 1928-02-01 1929-01-30 Improvements to electrical circuit switches Expired FR668708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US251064A US1914143A (en) 1928-02-01 1928-02-01 Circuit interrupter

Publications (1)

Publication Number Publication Date
FR668708A true FR668708A (en) 1929-11-06

Family

ID=22950319

Family Applications (1)

Application Number Title Priority Date Filing Date
FR668708D Expired FR668708A (en) 1928-02-01 1929-01-30 Improvements to electrical circuit switches

Country Status (3)

Country Link
US (1) US1914143A (en)
FR (1) FR668708A (en)
GB (1) GB305165A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613299A (en) * 1947-01-11 1952-10-07 Ite Circuit Breaker Ltd High-voltage circuit breaker
BE516461A (en) * 1952-12-22 Merlin Gerin

Also Published As

Publication number Publication date
US1914143A (en) 1933-06-13
GB305165A (en) 1930-03-27

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