FR72683E - Improvements to hydraulic controls, in particular for electrical switches - Google Patents
Improvements to hydraulic controls, in particular for electrical switchesInfo
- Publication number
- FR72683E FR72683E FR3960A FR38003960A FR72683E FR 72683 E FR72683 E FR 72683E FR 3960 A FR3960 A FR 3960A FR 38003960 A FR38003960 A FR 38003960A FR 72683 E FR72683 E FR 72683E
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- hydraulic controls
- hydraulic
- controls
- switches
- 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 |
---|---|---|---|
FR1111707X | 1957-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR72683E true FR72683E (en) | 1960-04-22 |
Family
ID=9626832
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1179785D Expired FR1179785A (en) | 1957-07-24 | 1957-07-24 | Improvements to hydraulic controls, in particular for electrical switches |
FR3960A Expired FR72683E (en) | 1957-07-24 | 1957-12-27 | Improvements to hydraulic controls, in particular for electrical switches |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1179785D Expired FR1179785A (en) | 1957-07-24 | 1957-07-24 | Improvements to hydraulic controls, in particular for electrical switches |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE568189A (en) |
DE (1) | DE1111707B (en) |
FR (2) | FR1179785A (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE707545C (en) * | 1938-11-07 | 1941-06-25 | Siemens Schuckertwerke Akt Ges | OElgestaenge for switch drives, especially for multi-phase high-voltage switches, e.g. B. Expansion switch |
DE956861C (en) * | 1955-06-15 | 1957-01-24 | Siemens Ag | Malfunction indicator for electrical switches driven by liquid |
-
0
- BE BE568189D patent/BE568189A/xx unknown
-
1957
- 1957-07-24 FR FR1179785D patent/FR1179785A/en not_active Expired
- 1957-12-27 FR FR3960A patent/FR72683E/en not_active Expired
-
1958
- 1958-06-27 DE DEM38082A patent/DE1111707B/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1111707B (en) | 1961-07-27 |
BE568189A (en) | |
FR1179785A (en) | 1959-05-28 |
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