FR675281A - Improvements to circuit breakers or switches - Google Patents
Improvements to circuit breakers or switchesInfo
- Publication number
- FR675281A FR675281A FR675281DA FR675281A FR 675281 A FR675281 A FR 675281A FR 675281D A FR675281D A FR 675281DA FR 675281 A FR675281 A FR 675281A
- Authority
- FR
- France
- Prior art keywords
- switches
- circuit breakers
- breakers
- circuit
- 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
- H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16162/28A GB318292A (en) | 1928-06-02 | 1928-06-02 | Improvements in or relating to circuit-breakers or switches |
Publications (1)
Publication Number | Publication Date |
---|---|
FR675281A true FR675281A (en) | 1930-02-07 |
Family
ID=10072270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR675281D Expired FR675281A (en) | 1928-06-02 | 1929-05-16 | Improvements to circuit breakers or switches |
Country Status (3)
Country | Link |
---|---|
US (1) | US1820928A (en) |
FR (1) | FR675281A (en) |
GB (1) | GB318292A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2634351A (en) * | 1950-10-23 | 1953-04-07 | Pacific Electric Mfg Corp | Circuit interrupter |
US2813177A (en) * | 1954-03-29 | 1957-11-12 | Kelman Electric And Mfg Compan | Circuit breaker |
US3002073A (en) * | 1958-04-16 | 1961-09-26 | Gen Electric | Electric circuit interruption device and method |
US5508487A (en) * | 1994-03-30 | 1996-04-16 | Abb Power T&D Company Inc. | High voltage circuit interrupting device operating mechanism including trip latch assembly |
US5504289A (en) * | 1994-03-30 | 1996-04-02 | Abb Power T&D Company Inc. | Circuit switching mechanism and charging system therefor |
-
1928
- 1928-06-02 GB GB16162/28A patent/GB318292A/en not_active Expired
-
1929
- 1929-05-15 US US363344A patent/US1820928A/en not_active Expired - Lifetime
- 1929-05-16 FR FR675281D patent/FR675281A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB318292A (en) | 1929-09-02 |
US1820928A (en) | 1931-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR726487A (en) | Circuit breaker | |
FR37139E (en) | Circuit breaker improvements | |
FR652127A (en) | Circuit breaker improvements | |
FR679140A (en) | Improvements to electrical circuit switches | |
FR694200A (en) | Circuit switch | |
FR675281A (en) | Improvements to circuit breakers or switches | |
FR37682E (en) | Circuit breaker improvements | |
FR38471E (en) | Circuit breaker improvements | |
FR697236A (en) | Improvements relating to switches or circuit breakers | |
FR686350A (en) | Circuit breaker improvements | |
FR679915A (en) | Circuit breaker | |
FR698527A (en) | Improvements to circuit breakers and electrical switches | |
FR38338E (en) | Circuit breaker improvements | |
FR668708A (en) | Improvements to electrical circuit switches | |
FR631671A (en) | Disconnector circuit breaker | |
FR646093A (en) | Circuit breaker improvements | |
FR675282A (en) | Circuit breaker improvements | |
FR608737A (en) | Improvements to circuit breakers | |
FR641149A (en) | Improvements made to switches and electrical circuit breakers | |
FR38629E (en) | Improvements to electrical switches and circuit breakers | |
FR684444A (en) | Circuit breaker improvements | |
FR633335A (en) | Improvements made to electrical circuit breakers | |
FR702873A (en) | Improvements to electrical circuit breaking systems | |
FR663189A (en) | Improvements to electrical switches or circuit breakers | |
FR640640A (en) | Improvements to electrical circuit switches |