FR927761A - Improvements to gas-blown type circuit breakers - Google Patents
Improvements to gas-blown type circuit breakersInfo
- Publication number
- FR927761A FR927761A FR927761DA FR927761A FR 927761 A FR927761 A FR 927761A FR 927761D A FR927761D A FR 927761DA FR 927761 A FR927761 A FR 927761A
- Authority
- FR
- France
- Prior art keywords
- gas
- circuit breakers
- type circuit
- blown type
- blown
- 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
- H01H33/70—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
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/58—Silencers for suppressing noise of switch operation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB266747X | 1940-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR927761A true FR927761A (en) | 1947-11-10 |
Family
ID=10247395
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR927760D Expired FR927760A (en) | 1940-04-15 | 1946-06-08 | Improvements to electrical circuit breakers for alternating current of the gas blown type |
FR927761D Expired FR927761A (en) | 1940-04-15 | 1946-06-08 | Improvements to gas-blown type circuit breakers |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR927760D Expired FR927760A (en) | 1940-04-15 | 1946-06-08 | Improvements to electrical circuit breakers for alternating current of the gas blown type |
Country Status (6)
Country | Link |
---|---|
US (1) | US2302592A (en) |
BE (2) | BE467248A (en) |
CH (2) | CH266747A (en) |
FR (2) | FR927760A (en) |
GB (3) | GB541235A (en) |
NL (2) | NL109990C (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE471741A (en) * | 1942-05-30 | |||
GB575887A (en) * | 1944-04-22 | 1946-03-08 | Ferguson Pailin Ltd | Improvements in gas blast high voltage electric circuit breakers |
US2987596A (en) * | 1958-12-06 | 1961-06-06 | Asea Ab | Scavenging means for air blast circuit breaker |
GB979783A (en) * | 1960-04-29 | 1965-01-06 | Reyrolle A & Co Ltd | Improvements relating to high-voltage electric circuit-breakers of the gas-blast type |
DE1933529A1 (en) * | 1969-07-02 | 1971-01-21 | Bbc Brown Boveri & Cie | Arc chamber made of sieve ceramic |
US3617667A (en) * | 1970-01-27 | 1971-11-02 | Gen Electric | Gas-blast circuit breaker with noise-reducing exhaust muffler assembly |
CH591756A5 (en) * | 1975-06-18 | 1977-09-30 | Bbc Brown Boveri & Cie | |
DE4333277C2 (en) * | 1993-09-24 | 1995-07-06 | Siemens Ag | High-voltage circuit breaker with a cooling device for cooling the extinguishing gas |
DE19517615A1 (en) * | 1995-05-13 | 1996-11-14 | Abb Research Ltd | Circuit breaker |
-
0
- NL NL208615D patent/NL208615A/xx unknown
- BE BE467249D patent/BE467249A/xx unknown
- BE BE467248D patent/BE467248A/xx unknown
- NL NL109990D patent/NL109990C/xx active
-
1940
- 1940-04-15 GB GB6763/40A patent/GB541235A/en not_active Expired
- 1940-04-15 GB GB6775/40A patent/GB541236A/en not_active Expired
- 1940-04-15 GB GB6785/40A patent/GB541237A/en not_active Expired
-
1941
- 1941-04-15 US US388700A patent/US2302592A/en not_active Expired - Lifetime
-
1946
- 1946-06-08 FR FR927760D patent/FR927760A/en not_active Expired
- 1946-06-08 FR FR927761D patent/FR927761A/en not_active Expired
-
1947
- 1947-12-26 CH CH266747D patent/CH266747A/en unknown
- 1947-12-26 CH CH271230D patent/CH271230A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE467249A (en) | |
BE467248A (en) | |
GB541237A (en) | 1941-11-19 |
GB541235A (en) | 1941-11-19 |
NL109990C (en) | |
US2302592A (en) | 1942-11-17 |
NL208615A (en) | |
GB541236A (en) | 1941-11-19 |
CH271230A (en) | 1950-10-15 |
CH266747A (en) | 1950-02-15 |
FR927760A (en) | 1947-11-10 |
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