GB720021A - Improvements in and relating to electric circuit breakers - Google Patents

Improvements in and relating to electric circuit breakers

Info

Publication number
GB720021A
GB720021A GB23389/51A GB2338951A GB720021A GB 720021 A GB720021 A GB 720021A GB 23389/51 A GB23389/51 A GB 23389/51A GB 2338951 A GB2338951 A GB 2338951A GB 720021 A GB720021 A GB 720021A
Authority
GB
United Kingdom
Prior art keywords
arc
contact
runner
contacts
aperture
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
GB23389/51A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB720021A publication Critical patent/GB720021A/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
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
GB23389/51A 1950-10-07 1951-10-08 Improvements in and relating to electric circuit breakers Expired GB720021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US189026A US2639354A (en) 1950-10-07 1950-10-07 Electric circuit breaker

Publications (1)

Publication Number Publication Date
GB720021A true GB720021A (en) 1954-12-08

Family

ID=22695599

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23389/51A Expired GB720021A (en) 1950-10-07 1951-10-08 Improvements in and relating to electric circuit breakers

Country Status (5)

Country Link
US (1) US2639354A (fr)
CH (1) CH309308A (fr)
DE (1) DE939460C (fr)
FR (1) FR1043588A (fr)
GB (1) GB720021A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163293A (en) * 1984-08-15 1986-02-19 Mitsubishi Electric Corp Circuit-breaker arc control

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904659A (en) * 1957-04-09 1959-09-15 Allis Chalmers Mfg Co Circuit interrupter employing means for controlling metallic vapor emission
US2937257A (en) * 1957-04-18 1960-05-17 Mc Graw Edison Co Electric contacts
DE1063695B (de) * 1957-09-20 1959-08-20 Licentia Gmbh Elektrischer, mehrpoliger, gekapselter Selbstschalter mit in Fukenkammern hineinragenden Kontakthebeln
US3023292A (en) * 1958-10-01 1962-02-27 Gen Electric Electric circuit interrupter
DE3337515A1 (de) * 1983-10-14 1985-05-02 Siemens AG, 1000 Berlin und 8000 München Schaltstueck fuer elektrische schaltgeraete
GB2192096B (en) * 1986-05-31 1989-12-06 Crabtree Electrical Ind Ltd Circuit breaker
FR2795858B1 (fr) * 1999-07-01 2001-09-14 Schneider Electric Ind Sa Appareillage electrique de coupure dont un organe de contact est muni d'un pare etincelle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1515143A (en) * 1919-08-05 1924-11-11 Westinghouse Electric & Mfg Co Control apparatus
US2335068A (en) * 1942-03-20 1943-11-23 Gen Electric Electric circuit breaker
US2347984A (en) * 1943-04-17 1944-05-02 Gen Electric Electric circuit breaker
US2480622A (en) * 1945-12-04 1949-08-30 Gen Electric Electric switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163293A (en) * 1984-08-15 1986-02-19 Mitsubishi Electric Corp Circuit-breaker arc control

Also Published As

Publication number Publication date
CH309308A (de) 1955-08-31
FR1043588A (fr) 1953-11-10
US2639354A (en) 1953-05-19
DE939460C (de) 1956-02-23

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