GB416684A - Improvements in or relating to electric circuit breakers - Google Patents

Improvements in or relating to electric circuit breakers

Info

Publication number
GB416684A
GB416684A GB8808/33A GB880833A GB416684A GB 416684 A GB416684 A GB 416684A GB 8808/33 A GB8808/33 A GB 8808/33A GB 880833 A GB880833 A GB 880833A GB 416684 A GB416684 A GB 416684A
Authority
GB
United Kingdom
Prior art keywords
relating
electric circuit
circuit breakers
resisting
molybdenum
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
GB8808/33A
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
Publication of GB416684A publication Critical patent/GB416684A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • H01H71/405—Combined electrothermal and electromagnetic mechanisms in which a bimetal forms the inductor for the electromagnetic mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
  • Contacts (AREA)
  • Conductive Materials (AREA)

Abstract

Arc-resisting contacts for an electric circuitbreaker are made of an alloy of silver and molybdenum.
GB8808/33A 1932-03-23 1933-03-23 Improvements in or relating to electric circuit breakers Expired GB416684A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600658A US2048114A (en) 1932-03-23 1932-03-23 Circuit breaker

Publications (1)

Publication Number Publication Date
GB416684A true GB416684A (en) 1934-09-19

Family

ID=24404537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8808/33A Expired GB416684A (en) 1932-03-23 1933-03-23 Improvements in or relating to electric circuit breakers

Country Status (2)

Country Link
US (1) US2048114A (en)
GB (1) GB416684A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2447652A (en) * 1942-10-30 1948-08-24 Westinghouse Electric Corp Circuit breaker
US2433720A (en) * 1943-08-12 1947-12-30 Square D Co Thermal relay with replaceable tripping unit
US2590663A (en) * 1950-02-03 1952-03-25 Westinghouse Electric Corp Circuit breaker
US2631208A (en) * 1951-04-19 1953-03-10 Gen Electric Electric circuit breaker
NL99816C (en) * 1953-05-08 1961-08-17
US2944128A (en) * 1957-02-25 1960-07-05 Wadsworth Electric Mfg Co Counter-directionally releasable circuit breaker
US3071666A (en) * 1959-04-09 1963-01-01 Westinghouse Electric Corp Circuit interrupters
US3106627A (en) * 1960-03-04 1963-10-08 Heinemann Electric Co Circuit breaker with arc chute assembly
US3116388A (en) * 1960-12-20 1963-12-31 Gen Electric Circuit breaker trip assembly
US3214535A (en) * 1963-02-27 1965-10-26 Cutler Hammer Inc Electric circuit breaker with positive tripping means
US3286210A (en) * 1965-01-25 1966-11-15 Gen Electric Electric circuit breaker with removable trip unit having impact-releasable latch means
CA1245698A (en) * 1983-06-02 1988-11-29 Gregory T. Divincenzo Circuit breaker design for high speed manufacture
US4698903A (en) * 1985-04-01 1987-10-13 General Electric Company Circuit breaker highspeed assembly
US4951022A (en) * 1988-12-15 1990-08-21 A. B. Chance Company Sensitive latch and trip mechanism
US5319166A (en) * 1993-01-25 1994-06-07 General Electric Company Molded case circuit breaker modular contact arm arrangement

Also Published As

Publication number Publication date
US2048114A (en) 1936-07-21

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