FR848830A - Control for switching devices - Google Patents
Control for switching devicesInfo
- Publication number
- FR848830A FR848830A FR848830DA FR848830A FR 848830 A FR848830 A FR 848830A FR 848830D A FR848830D A FR 848830DA FR 848830 A FR848830 A FR 848830A
- Authority
- FR
- France
- Prior art keywords
- control
- switching devices
- switching
- devices
- 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
- H01H33/28—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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H75/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of power reset mechanism
- H01H75/02—Details
- H01H75/04—Reset mechanisms for automatically reclosing a limited number of times
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE207920X | 1938-01-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR848830A true FR848830A (en) | 1939-11-07 |
Family
ID=5793956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR848830D Expired FR848830A (en) | 1938-01-14 | 1939-01-13 | Control for switching devices |
Country Status (5)
Country | Link |
---|---|
US (1) | US2213658A (en) |
BE (1) | BE432154A (en) |
CH (1) | CH207920A (en) |
FR (1) | FR848830A (en) |
GB (1) | GB523956A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2418739A (en) * | 1940-11-29 | 1947-04-08 | Gen Electric | Circuit breaker operating system |
BE477587A (en) * | 1943-07-17 | |||
US2425168A (en) * | 1943-08-06 | 1947-08-05 | Westinghouse Electric Corp | Automatic and manual reclosing control circuits for polyphase single pole circuit breakers |
US2522984A (en) * | 1944-11-30 | 1950-09-19 | Gen Electric | Control arrangement for electric circuit breakers |
NL94159C (en) * | 1953-10-22 | |||
US2840658A (en) * | 1954-10-04 | 1958-06-24 | Gen Motors Corp | High tension circuit breaker system |
GB1023151A (en) * | 1961-03-17 | 1966-03-23 | English Electric Co Ltd | Improvements in or relating to gas-blast circuit-breakers |
US3248507A (en) * | 1962-08-07 | 1966-04-26 | Bbc Brown Boveri & Cie | Pressurized gas-operated circuit breaker with load interrupter and isolator contact means |
-
0
- BE BE432154D patent/BE432154A/xx unknown
-
1939
- 1939-01-07 US US249687A patent/US2213658A/en not_active Expired - Lifetime
- 1939-01-10 CH CH207920D patent/CH207920A/en not_active IP Right Cessation
- 1939-01-13 FR FR848830D patent/FR848830A/en not_active Expired
- 1939-01-16 GB GB1479/39A patent/GB523956A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB523956A (en) | 1940-07-26 |
CH207920A (en) | 1939-12-15 |
BE432154A (en) | |
US2213658A (en) | 1940-09-03 |
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