GB2160711B - Explosion-proof or flame-proof electrical switching device - Google Patents

Explosion-proof or flame-proof electrical switching device

Info

Publication number
GB2160711B
GB2160711B GB08517920A GB8517920A GB2160711B GB 2160711 B GB2160711 B GB 2160711B GB 08517920 A GB08517920 A GB 08517920A GB 8517920 A GB8517920 A GB 8517920A GB 2160711 B GB2160711 B GB 2160711B
Authority
GB
United Kingdom
Prior art keywords
proof
explosion
flame
switching device
electrical switching
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
GB08517920A
Other versions
GB2160711A (en
GB8517920D0 (en
Inventor
Rudolf Dehm
Josef Ruck
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.)
BBC Brown Boveri AG Germany
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri France 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 Brown Boveri und Cie AG Germany, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Germany
Publication of GB8517920D0 publication Critical patent/GB8517920D0/en
Publication of GB2160711A publication Critical patent/GB2160711A/en
Application granted granted Critical
Publication of GB2160711B publication Critical patent/GB2160711B/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
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
    • 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
    • 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
    • H01H9/302—Means for extinguishing or preventing arc between current-carrying parts wherein arc-extinguishing gas is evolved from stationary parts
GB08517920A 1982-04-29 1985-07-16 Explosion-proof or flame-proof electrical switching device Expired GB2160711B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823215919 DE3215919C2 (en) 1982-04-29 1982-04-29 Explosion-proof or firedamp-proof electrical switching device

Publications (3)

Publication Number Publication Date
GB8517920D0 GB8517920D0 (en) 1985-08-21
GB2160711A GB2160711A (en) 1985-12-24
GB2160711B true GB2160711B (en) 1986-11-05

Family

ID=6162222

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08311417A Expired GB2119575B (en) 1982-04-29 1983-04-27 Explosion-proof or flame-proof electrical switching device
GB08517920A Expired GB2160711B (en) 1982-04-29 1985-07-16 Explosion-proof or flame-proof electrical switching device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB08311417A Expired GB2119575B (en) 1982-04-29 1983-04-27 Explosion-proof or flame-proof electrical switching device

Country Status (3)

Country Link
DE (1) DE3215919C2 (en)
FR (1) FR2526217B1 (en)
GB (2) GB2119575B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2562321B1 (en) * 1984-03-28 1986-08-01 Telemecanique Electrique ELECTRICAL SWITCHING APPARATUS COMPRISING A GAS-TIGHT CONTACTS PROTECTION COVER
DE3644141C2 (en) * 1986-12-23 1996-02-01 Asea Brown Boveri Explosion-proof electrical switching device
DE3812732A1 (en) * 1988-04-16 1989-10-26 Asea Brown Boveri ELECTRICAL INSTALLATION DEVICE
DE3827389A1 (en) * 1988-08-12 1990-02-22 Asea Brown Boveri Electrical switching device
DE4342129A1 (en) * 1993-12-10 1995-06-14 Abb Patent Gmbh Electric switch for current interruption in AC and DC circuits
DE102008004747B3 (en) * 2008-01-16 2009-08-27 R. Stahl Schaltgeräte GmbH Gang cam switch

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2047842A (en) * 1933-04-25 1936-07-14 Gen Electric Circuit breaker
US2133158A (en) * 1936-12-17 1938-10-11 Gen Electric Circuit breaker
US2294801A (en) * 1938-05-25 1942-09-01 Westinghouse Electric & Mfg Co Circuit interrupter
US2293701A (en) * 1940-07-19 1942-08-25 Chicago Flexible Shaft Co Slow-acting electric switch with arc quencher
GB572603A (en) * 1942-06-23 1945-10-16 British Thomson Houston Co Ltd Improvements in electric circuit breakers having arc-extinguishing compression chambers
NL239190A (en) * 1959-03-14
DE1207027C2 (en) * 1960-09-19 1976-05-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt CONTACT PIECE FOR ELECTRIC SWITCHING DEVICES
DE1285594B (en) * 1964-01-22 1968-12-19 Lange Emil Device for extinguishing electric arcs, in particular electric switches
FR1398118A (en) * 1964-03-26 1965-05-07 Merlin Gerin Self-blowing switch
DE6901469U (en) * 1969-01-16 1969-07-24 Licentia Gmbh PRESSURE-PROOF SWITCHING DEVICE
DE2617606C3 (en) * 1976-04-22 1980-05-14 Brown, Boveri & Cie Ag, 6800 Mannheim Explosion-proof package cam switch
US4065653A (en) * 1977-04-25 1977-12-27 General Electric Company Circuit breaker mounted within an explosion-proof enclosure
US4306126A (en) * 1979-08-16 1981-12-15 Howard D U Battery cable switch
EP0079978A1 (en) * 1981-11-21 1983-06-01 Sprecher & Schuh AG Contact piece for an electric switch apparatus, in particular for a protective switch
KR860002080B1 (en) * 1982-01-28 1986-11-24 카다야마히도 하지로 Power switching device

Also Published As

Publication number Publication date
DE3215919C2 (en) 1986-09-04
GB8311417D0 (en) 1983-06-02
GB2119575A (en) 1983-11-16
GB2160711A (en) 1985-12-24
GB2119575B (en) 1986-10-22
GB8517920D0 (en) 1985-08-21
DE3215919A1 (en) 1983-11-03
FR2526217B1 (en) 1989-06-23
FR2526217A1 (en) 1983-11-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930427