JPS5328622B1 - - Google Patents
Info
- Publication number
- JPS5328622B1 JPS5328622B1 JP5591572A JP5591572A JPS5328622B1 JP S5328622 B1 JPS5328622 B1 JP S5328622B1 JP 5591572 A JP5591572 A JP 5591572A JP 5591572 A JP5591572 A JP 5591572A JP S5328622 B1 JPS5328622 B1 JP S5328622B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
-
- 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
- H01H2033/308—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator comprising control and pilot valves
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712128648 DE2128648C3 (en) | 1971-06-04 | Hydraulic drive for a high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5328622B1 true JPS5328622B1 (en) | 1978-08-16 |
Family
ID=5810306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5591572A Pending JPS5328622B1 (en) | 1971-06-04 | 1972-06-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3832502A (en) |
| JP (1) | JPS5328622B1 (en) |
| CH (1) | CH539940A (en) |
| FR (1) | FR2139894B1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2235074B2 (en) * | 1972-07-12 | 1979-05-17 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Hydraulic actuator for an electrical switch |
| FR2193242B1 (en) * | 1972-07-13 | 1977-05-13 | Siemens Ag | |
| FR2233516A2 (en) * | 1973-06-14 | 1975-01-10 | Comp Generale Electricite | Fluid press. control valve assembly - has three pistons on single shaft and pilot valve to control fluid flow |
| JPS6028082B2 (en) * | 1977-07-20 | 1985-07-03 | 株式会社日立製作所 | Fluid pressure drive device |
| FR2422245A1 (en) * | 1978-01-04 | 1979-11-02 | Gratzmuller Claude | HYDRAULIC CONTROL SYSTEM FOR ELECTRIC CIRCUIT BREAKERS |
| CH646009A5 (en) * | 1979-11-01 | 1984-10-31 | Bbc Brown Boveri & Cie | HYDRAULIC DRIVE FOR ELECTRIC SWITCHES. |
| JPS5693227A (en) * | 1979-12-27 | 1981-07-28 | Hitachi Ltd | Hydraulic driving unit |
| US4443195A (en) * | 1980-05-22 | 1984-04-17 | Kabushiki Kaisha Morita Seisakusho | Driving and water pouring control device for dental air-turbine handpiece |
| US4461937A (en) * | 1981-09-18 | 1984-07-24 | Mcgraw-Edison Company | Fail-safe hydraulically operated circuit breaker accumulator arrangement |
| DE3545782A1 (en) * | 1985-12-20 | 1987-06-25 | Siemens Ag | HYDRAULIC DRIVE DEVICE FOR AN ELECTRIC COMPRESSED GAS SWITCH |
| CN1034145C (en) * | 1993-07-29 | 1997-02-26 | 浙江大学 | Hydraulic operation structure of high-voltage breaker |
| JP3402024B2 (en) * | 1995-11-20 | 2003-04-28 | 株式会社日立製作所 | Gas circuit breaker and fluid pressure driving device used therefor |
| JP3861834B2 (en) * | 2002-05-17 | 2006-12-27 | 株式会社日立製作所 | Circuit breaker fluid pressure drive |
-
1972
- 1972-03-29 CH CH471872A patent/CH539940A/en not_active IP Right Cessation
- 1972-05-18 FR FR7217837A patent/FR2139894B1/fr not_active Expired
- 1972-05-26 US US00257151A patent/US3832502A/en not_active Expired - Lifetime
- 1972-06-05 JP JP5591572A patent/JPS5328622B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3832502A (en) | 1974-08-27 |
| FR2139894B1 (en) | 1980-03-14 |
| FR2139894A1 (en) | 1973-01-12 |
| DE2128648B2 (en) | 1976-05-20 |
| CH539940A (en) | 1973-07-31 |
| DE2128648A1 (en) | 1972-12-14 |