GB720021A - Improvements in and relating to electric circuit breakers - Google Patents
Improvements in and relating to electric circuit breakersInfo
- 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
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)
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)
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)
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)
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 |
-
1950
- 1950-10-07 US US189026A patent/US2639354A/en not_active Expired - Lifetime
-
1951
- 1951-10-02 CH CH309308D patent/CH309308A/de unknown
- 1951-10-03 FR FR1043588D patent/FR1043588A/fr not_active Expired
- 1951-10-07 DE DEI4701A patent/DE939460C/de not_active Expired
- 1951-10-08 GB GB23389/51A patent/GB720021A/en not_active Expired
Cited By (1)
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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