BE477587A - - Google Patents
Info
- Publication number
- BE477587A BE477587A BE477587DA BE477587A BE 477587 A BE477587 A BE 477587A BE 477587D A BE477587D A BE 477587DA BE 477587 A BE477587 A BE 477587A
- Authority
- BE
- Belgium
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
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for three-phase systems
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE580609X | 1943-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477587A true BE477587A (fr) |
Family
ID=20312409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477587D BE477587A (fr) | 1943-07-17 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2573256A (fr) |
| BE (1) | BE477587A (fr) |
| FR (1) | FR908938A (fr) |
| GB (1) | GB580609A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2745134A (en) * | 1952-05-24 | 1956-05-15 | Boston Woven Hose & Rubber Co | Apparatus for tensioning strip material |
| US3030467A (en) * | 1959-10-20 | 1962-04-17 | Mc Graw Edison Co | Fluid means for polyphase operation of single phase reclosers |
| US4195211A (en) * | 1976-06-18 | 1980-03-25 | I-T-E Imperial Corporation | Single pole trip and ganged pole closing for multiphase high-voltage power circuit breakers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB375309A (en) * | 1931-03-18 | 1932-06-20 | Electr & Allied Ind Res Ass | Improvements relating to electric switches and circuit breakers |
| US2240803A (en) * | 1937-07-31 | 1941-05-06 | Bbc Brown Boveri & Cie | Circuit breaker control system |
| BE432154A (fr) * | 1938-01-14 | |||
| US2287041A (en) * | 1939-02-23 | 1942-06-23 | Allis Chalmers Mfg Co | Circuit breaker control system |
| US2389942A (en) * | 1940-02-06 | 1945-11-27 | Gen Electric | Circuit breaker operating system |
| US2425168A (en) * | 1943-08-06 | 1947-08-05 | Westinghouse Electric Corp | Automatic and manual reclosing control circuits for polyphase single pole circuit breakers |
-
0
- BE BE477587D patent/BE477587A/xx unknown
-
1944
- 1944-07-07 GB GB12996/44A patent/GB580609A/en not_active Expired
-
1945
- 1945-02-02 FR FR908938D patent/FR908938A/fr not_active Expired
-
1948
- 1948-01-17 US US2915A patent/US2573256A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB580609A (en) | 1946-09-13 |
| US2573256A (en) | 1951-10-30 |
| FR908938A (fr) | 1946-04-23 |