FR947876A - Pneumatic blow-off electric circuit breaker device - Google Patents
Pneumatic blow-off electric circuit breaker deviceInfo
- Publication number
- FR947876A FR947876A FR947876DA FR947876A FR 947876 A FR947876 A FR 947876A FR 947876D A FR947876D A FR 947876DA FR 947876 A FR947876 A FR 947876A
- Authority
- FR
- France
- Prior art keywords
- circuit breaker
- electric circuit
- breaker device
- pneumatic blow
- blow
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE256943X | 1946-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR947876A true FR947876A (en) | 1949-07-15 |
Family
ID=20306338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR947876D Expired FR947876A (en) | 1946-06-13 | 1947-06-13 | Pneumatic blow-off electric circuit breaker device |
Country Status (6)
Country | Link |
---|---|
US (1) | US2542650A (en) |
BE (1) | BE473866A (en) |
CH (1) | CH256943A (en) |
DE (1) | DE959929C (en) |
FR (1) | FR947876A (en) |
GB (1) | GB623921A (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1289339A (en) * | 1915-08-31 | 1918-12-31 | Westinghouse Electric & Mfg Co | Valve-control mechanism. |
US1937482A (en) * | 1928-09-18 | 1933-11-28 | Ruppel Sigwart | Compressed gas switch |
US1976445A (en) * | 1931-03-25 | 1934-10-09 | Shand & Jurs Company | Valve control system |
BE413565A (en) * | 1935-01-30 | |||
BE483191A (en) * | 1940-01-11 | |||
BE483534A (en) * | 1940-01-13 | |||
NL115273C (en) * | 1943-06-28 |
-
0
- BE BE473866D patent/BE473866A/xx unknown
-
1947
- 1947-05-29 GB GB14285/47A patent/GB623921A/en not_active Expired
- 1947-06-02 CH CH256943D patent/CH256943A/en unknown
- 1947-06-13 FR FR947876D patent/FR947876A/en not_active Expired
- 1947-06-13 DE DEA13748D patent/DE959929C/en not_active Expired
-
1948
- 1948-01-17 US US2925A patent/US2542650A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2542650A (en) | 1951-02-20 |
DE959929C (en) | 1957-03-14 |
CH256943A (en) | 1948-09-15 |
GB623921A (en) | 1949-05-25 |
BE473866A (en) |
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