FR717284A - Perfectionnements aux interrupteurs - Google Patents

Perfectionnements aux interrupteurs

Info

Publication number
FR717284A
FR717284A FR717284DA FR717284A FR 717284 A FR717284 A FR 717284A FR 717284D A FR717284D A FR 717284DA FR 717284 A FR717284 A FR 717284A
Authority
FR
France
Prior art keywords
refinements
switch
switch refinements
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
English (en)
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 granted granted Critical
Publication of FR717284A publication Critical patent/FR717284A/fr
Application filed by Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co
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
FR717284D 1930-05-20 1931-05-19 Perfectionnements aux interrupteurs Expired FR717284A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US453921A US1942678A (en) 1930-05-20 1930-05-20 Circuit interrupter
GB204/32A GB379193A (en) 1930-05-20 1932-01-04 Improvements in or relating to electric circuit interrupters

Publications (1)

Publication Number Publication Date
FR717284A true FR717284A (fr) 1931-01-04

Family

ID=26235759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717284D Expired FR717284A (fr) 1930-05-20 1931-05-19 Perfectionnements aux interrupteurs

Country Status (3)

Country Link
US (1) US1942678A (fr)
FR (1) FR717284A (fr)
GB (1) GB379193A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19830232A1 (de) * 1998-07-07 2000-01-13 Abb Research Ltd Stromkontaktanordnungen eines Stromschalters

Also Published As

Publication number Publication date
US1942678A (en) 1934-01-09
GB379193A (en) 1932-08-25

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