FR707639A - Improvements to hydraulically operated mechanisms, in particular for electrical circuit breakers - Google Patents
Improvements to hydraulically operated mechanisms, in particular for electrical circuit breakersInfo
- Publication number
- FR707639A FR707639A FR707639DA FR707639A FR 707639 A FR707639 A FR 707639A FR 707639D A FR707639D A FR 707639DA FR 707639 A FR707639 A FR 707639A
- Authority
- FR
- France
- Prior art keywords
- electrical circuit
- circuit breakers
- hydraulically operated
- operated mechanisms
- mechanisms
- 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
- H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US409983A US1873787A (en) | 1929-11-26 | 1929-11-26 | Electric switch operating mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
FR707639A true FR707639A (en) | 1931-07-10 |
Family
ID=23622751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR707639D Expired FR707639A (en) | 1929-11-26 | 1930-11-25 | Improvements to hydraulically operated mechanisms, in particular for electrical circuit breakers |
Country Status (3)
Country | Link |
---|---|
US (1) | US1873787A (en) |
FR (1) | FR707639A (en) |
GB (1) | GB363795A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2115506A5 (en) * | 1970-11-23 | 1972-07-07 | Gratzmuller Jean Louis |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2438957A (en) * | 1937-12-22 | 1948-04-06 | Wunsch Guido | Rudder machine for automatic pilots |
US2470608A (en) * | 1944-07-18 | 1949-05-17 | Westinghouse Electric Corp | Circuit breaker |
US2473861A (en) * | 1946-06-15 | 1949-06-21 | Westinghouse Electric Corp | Metal-clad switchgear |
US2658969A (en) * | 1950-04-17 | 1953-11-10 | Pacific Electric Mfg Corp | Hydraulic circuit breaker actuating mechanism |
-
1929
- 1929-11-26 US US409983A patent/US1873787A/en not_active Expired - Lifetime
-
1930
- 1930-11-25 GB GB35478/30A patent/GB363795A/en not_active Expired
- 1930-11-25 FR FR707639D patent/FR707639A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2115506A5 (en) * | 1970-11-23 | 1972-07-07 | Gratzmuller Jean Louis |
Also Published As
Publication number | Publication date |
---|---|
US1873787A (en) | 1932-08-23 |
GB363795A (en) | 1931-12-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR702212A (en) | Deionizing circuit breaker | |
FR707639A (en) | Improvements to hydraulically operated mechanisms, in particular for electrical circuit breakers | |
FR682140A (en) | Operating mechanism for electrical circuit breakers | |
FR693517A (en) | Circuit breaker panel | |
FR38471E (en) | Circuit breaker improvements | |
FR698527A (en) | Improvements to circuit breakers and electrical switches | |
FR38338E (en) | Circuit breaker improvements | |
FR697236A (en) | Improvements relating to switches or circuit breakers | |
GB328560A (en) | Improvements in no-volt overload tripping mechanism for electrical switches | |
FR33589E (en) | Trip mechanism for electrical circuit breakers | |
FR633335A (en) | Improvements made to electrical circuit breakers | |
FR601852A (en) | Trip mechanism for electrical circuit breakers | |
FR703632A (en) | Improvements to electrical circuit breakers | |
FR682866A (en) | Circuit breaker | |
FR707216A (en) | Improvements to circuit breakers | |
FR706634A (en) | Improvements to circuit breakers | |
FR39440E (en) | Improvements to circuit breakers | |
FR629040A (en) | Improvements to ultra-fast circuit breakers | |
FR669348A (en) | Improvements to automatic reclosing electrical circuit breakers | |
FR659281A (en) | Improvements to time-delayed trip circuit breakers | |
FR698189A (en) | Foot switch for electrical circuits | |
FR685783A (en) | Automatic circuit breaker | |
FR686349A (en) | Improvements to circuit breakers | |
CA295534A (en) | Circuit breaker | |
CA294106A (en) | Circuit breaker |