FR37139E - Circuit breaker improvements - Google Patents

Circuit breaker improvements

Info

Publication number
FR37139E
FR37139E FR37139DA FR37139E FR 37139 E FR37139 E FR 37139E FR 37139D A FR37139D A FR 37139DA FR 37139 E FR37139 E FR 37139E
Authority
FR
France
Prior art keywords
circuit breaker
breaker
circuit
breaker improvements
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 FR37139E publication Critical patent/FR37139E/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
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
FR37139D 1928-06-29 1929-06-22 Circuit breaker improvements Expired FR37139E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US289237A US1840292A (en) 1928-06-29 1928-06-29 Electrical contactor

Publications (1)

Publication Number Publication Date
FR37139E true FR37139E (en) 1930-10-15

Family

ID=23110639

Family Applications (1)

Application Number Title Priority Date Filing Date
FR37139D Expired FR37139E (en) 1928-06-29 1929-06-22 Circuit breaker improvements

Country Status (3)

Country Link
US (1) US1840292A (en)
FR (1) FR37139E (en)
GB (1) GB314758A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467937A (en) * 1944-04-08 1949-04-19 Square D Co Arc suppressor
US2584570A (en) * 1950-02-07 1952-02-05 Westinghouse Electric Corp Circuit interrupter
US2660647A (en) * 1950-05-18 1953-11-24 Westinghouse Electric Corp Circuit interrupter
US2740021A (en) * 1950-07-22 1956-03-27 Westinghouse Electric Corp Circuit interrupter
FR1094665A (en) * 1951-02-03 1955-05-23
US2671146A (en) * 1952-01-14 1954-03-02 Gen Electric Interrupting unit for electric circuit breakers
BE560671A (en) * 1956-09-10
DE1031866B (en) * 1956-10-20 1958-06-12 Voigt & Haeffner Ag Arc extinguishing device for electrical switches
KR880001427Y1 (en) * 1981-08-13 1988-04-15 미쓰비시전기 주식회사 Electromagnetic switchgear

Also Published As

Publication number Publication date
GB314758A (en) 1930-06-05
US1840292A (en) 1932-01-05

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