GB987859A - Improvements in gas blast circuit breaker - Google Patents
Improvements in gas blast circuit breakerInfo
- Publication number
- GB987859A GB987859A GB45237/61A GB4523761A GB987859A GB 987859 A GB987859 A GB 987859A GB 45237/61 A GB45237/61 A GB 45237/61A GB 4523761 A GB4523761 A GB 4523761A GB 987859 A GB987859 A GB 987859A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contact
- contacts
- gas
- until
- open
- 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
- H01H33/16—Impedances connected with contacts
- H01H33/167—Impedances connected with contacts the impedance being inserted only while opening the switch
-
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle
-
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/86—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
Landscapes
- Circuit Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77145A US3065322A (en) | 1960-12-20 | 1960-12-20 | Gas blast circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
GB987859A true GB987859A (en) | 1965-03-31 |
Family
ID=22136337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB45237/61A Expired GB987859A (en) | 1960-12-20 | 1961-12-18 | Improvements in gas blast circuit breaker |
Country Status (3)
Country | Link |
---|---|
US (1) | US3065322A (de) |
DE (1) | DE1172756B (de) |
GB (1) | GB987859A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3590186A (en) * | 1968-12-19 | 1971-06-29 | Allis Chalmers Mfg Co | Vacuum interrupter having series connected resistor and shunting means for the latter |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL34469C (de) * | 1931-07-06 | |||
DE647141C (de) * | 1933-08-01 | 1937-06-29 | Bbc Brown Boveri & Cie | Elektrischer Schalter |
GB582599A (en) * | 1944-07-07 | 1946-11-21 | English Electric Co Ltd | Improvements in electric circuit breakers |
US2459600A (en) * | 1944-12-14 | 1949-01-18 | Westinghouse Electric Corp | Compressed gas circuit interrupter |
US2665351A (en) * | 1951-02-09 | 1954-01-05 | Asea Ab | Arrangement in air blast circuit breaker provided with damping resistance |
BE538744A (de) * | 1954-06-04 | |||
US2803724A (en) * | 1954-06-04 | 1957-08-20 | Asea Ab | Operating device for air blast circuit breakers |
US2970198A (en) * | 1957-02-18 | 1961-01-31 | Westinghouse Electric Corp | Compressed-gas circuit interrupter |
US2911507A (en) * | 1957-06-21 | 1959-11-03 | Ite Circuit Breaker Ltd | Recirculating gas blast interrupter |
-
1960
- 1960-12-20 US US77145A patent/US3065322A/en not_active Expired - Lifetime
-
1961
- 1961-12-15 DE DEG33825A patent/DE1172756B/de active Pending
- 1961-12-18 GB GB45237/61A patent/GB987859A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1172756B (de) | 1964-06-25 |
US3065322A (en) | 1962-11-20 |
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