GB474185A - Improvements in and relating to electric switches having arc quenching arrangements - Google Patents
Improvements in and relating to electric switches having arc quenching arrangementsInfo
- Publication number
- GB474185A GB474185A GB33328/36A GB3332836A GB474185A GB 474185 A GB474185 A GB 474185A GB 33328/36 A GB33328/36 A GB 33328/36A GB 3332836 A GB3332836 A GB 3332836A GB 474185 A GB474185 A GB 474185A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arc
- coils
- walls
- gas
- contact
- 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
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Circuit Breakers (AREA)
Abstract
474,185. Gas-blast switches. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 4, 1936, No. 33328. Convention date, Dec. 5, 1935. [Class 38 (v)] Magnetic blow-outs.-In a switch in which arc-extinction is effected by gas evolved by the influence of the arc on insulating walls disposed adjacent-its path, in order to equalize the wear produced on the contacts and walls by the arc, one or more coils are provided on the walls for producing a radial field for causing the arc to wander. A coil or coils 8 are connected between the fixed contact 2 and an arcing ring 3, and are arranged on the walls of a gas-evolving, insulating body 6 which, with the insulating pin 7, forms the arcing space 4 receiving the tubular movable contact 1. In order to concentrate the flux 11, shortcircuited windings 12, 13 are provided, and in some circumstances the ring 3 may serve as such a winding. The arc-root on contact 1 may be additionally influenced magnetically by milling out grooves 14 of spiral shape, Fig. 2, whereby the individual contact-sections act as coils. Where several coils are employed the connection of the coils is such that the fields produced by successive coils are differently oriented, the arc being thus compelled to pass successively through differently-oriented fields and thus rapidly moved.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE474185X | 1935-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB474185A true GB474185A (en) | 1937-10-27 |
Family
ID=6541677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB33328/36A Expired GB474185A (en) | 1935-12-05 | 1936-12-04 | Improvements in and relating to electric switches having arc quenching arrangements |
Country Status (2)
Country | Link |
---|---|
US (1) | US2140378A (en) |
GB (1) | GB474185A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2671144A (en) * | 1950-05-18 | 1954-03-02 | Westinghouse Electric Corp | Circuit interrupter |
US3089936A (en) * | 1960-02-23 | 1963-05-14 | Gen Electric | Contact structure for an electric circuit interrupter |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2590989A (en) * | 1942-04-18 | 1952-04-01 | Detroit Edison Co | Circuit breaker |
US2459599A (en) * | 1944-09-20 | 1949-01-18 | Westinghouse Electric Corp | Circuit interrupter |
US2697154A (en) * | 1951-05-26 | 1954-12-14 | Westinghouse Electric Corp | Circuit interrupter |
US2828380A (en) * | 1955-03-14 | 1958-03-25 | Westinghouse Electric Corp | Flux phase shifter and high speed closing with contact construction |
US2830151A (en) * | 1955-12-09 | 1958-04-08 | Hill George Leslie | Circuit breaker |
US3082308A (en) * | 1957-12-06 | 1963-03-19 | Westinghouse Electric Corp | Circuit interrupter |
US2949520A (en) * | 1958-04-23 | 1960-08-16 | Gen Electric | Contact structure for an electric circuit interrupter |
US3016438A (en) * | 1958-12-22 | 1962-01-09 | Heinemann Electric Co | Induction blowout for circuit breakers |
US3014108A (en) * | 1959-01-02 | 1961-12-19 | Gen Electric | Vacuum switch |
US3178546A (en) * | 1961-12-04 | 1965-04-13 | Gen Electric | Orifice structure for circuit interrupter of fluid blast type |
CH574673A5 (en) * | 1974-08-20 | 1976-04-15 | Bbc Brown Boveri & Cie | |
US4052577A (en) * | 1975-09-02 | 1977-10-04 | I-T-E Imperial Corporation | Magnetically driven ring arc runner for circuit interrupter |
US4052576A (en) * | 1975-09-02 | 1977-10-04 | I-T-E Imperial Corporation | Contact structure for SF6 arc spinner |
-
1936
- 1936-11-24 US US112568A patent/US2140378A/en not_active Expired - Lifetime
- 1936-12-04 GB GB33328/36A patent/GB474185A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2671144A (en) * | 1950-05-18 | 1954-03-02 | Westinghouse Electric Corp | Circuit interrupter |
US3089936A (en) * | 1960-02-23 | 1963-05-14 | Gen Electric | Contact structure for an electric circuit interrupter |
Also Published As
Publication number | Publication date |
---|---|
US2140378A (en) | 1938-12-13 |
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