JPS50128175A - - Google Patents
Info
- Publication number
- JPS50128175A JPS50128175A JP50032847A JP3284775A JPS50128175A JP S50128175 A JPS50128175 A JP S50128175A JP 50032847 A JP50032847 A JP 50032847A JP 3284775 A JP3284775 A JP 3284775A JP S50128175 A JPS50128175 A JP S50128175A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742413409 DE2413409C3 (de) | 1974-03-18 | Hydraulische Betätigungsvorrichtung für einen Hochspannungs-Leistungsschalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50128175A true JPS50128175A (ja) | 1975-10-08 |
Family
ID=5910645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50032847A Pending JPS50128175A (ja) | 1974-03-18 | 1975-03-18 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3999464A (ja) |
| JP (1) | JPS50128175A (ja) |
| CA (1) | CA1025505A (ja) |
| CH (1) | CH585461A5 (ja) |
| FR (1) | FR2265166B1 (ja) |
| GB (1) | GB1483911A (ja) |
| IT (1) | IT1034225B (ja) |
| SE (1) | SE408106B (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54129366A (en) * | 1978-03-16 | 1979-10-06 | Westinghouse Electric Corp | High pressure compressed gas circuit breaker |
| JPS5553821A (en) * | 1978-10-17 | 1980-04-19 | Mitsubishi Electric Corp | Hydraulic actuator |
| JPS5693227A (en) * | 1979-12-27 | 1981-07-28 | Hitachi Ltd | Hydraulic driving unit |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5316183A (en) * | 1976-07-28 | 1978-02-14 | Hitachi Ltd | Fluid pressure driving device |
| CH646009A5 (de) * | 1979-11-01 | 1984-10-31 | Bbc Brown Boveri & Cie | Hydraulischer antrieb fuer elektrische schalter. |
| JPS6132310A (ja) * | 1984-07-25 | 1986-02-15 | 株式会社日立製作所 | 流体圧駆動装置 |
| US4785712A (en) * | 1986-05-27 | 1988-11-22 | Mitsubishi Denki Kabushiki Kaisha | Hydraulic operating apparatus for electric circuit breaker |
| US5311808A (en) * | 1993-02-12 | 1994-05-17 | Ando Seisakujo Co., Ltd. | Cylinder apparatus |
| CN112503043B (zh) * | 2020-03-20 | 2021-11-16 | 平高集团有限公司 | 液压操动机构及液压控制阀 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2379180A (en) * | 1940-02-10 | 1945-06-26 | Vickers Inc | Hydraulic retractor control |
| US2432305A (en) * | 1944-03-06 | 1947-12-09 | Hpm Dev Corp | Hydraulic operating circuit for machine tools and the like |
| US2499253A (en) * | 1946-01-09 | 1950-02-28 | Robert E Newell | Automatic safety control for gas burners |
| US2508843A (en) * | 1947-03-28 | 1950-05-23 | Peter I Semak | Valve |
| US2503362A (en) * | 1949-02-12 | 1950-04-11 | Marquette Metal Products Co | Governor with built-in overspeed trip |
| CH539784A (de) * | 1971-12-13 | 1973-07-31 | Bbc Brown Boveri & Cie | Hydraulischer Antrieb, insbesondere für elektrische Schaltgeräte |
-
1974
- 1974-11-14 FR FR7437557A patent/FR2265166B1/fr not_active Expired
- 1974-11-28 GB GB51672/74A patent/GB1483911A/en not_active Expired
-
1975
- 1975-02-13 US US05/549,783 patent/US3999464A/en not_active Expired - Lifetime
- 1975-02-20 CA CA220,493A patent/CA1025505A/en not_active Expired
- 1975-03-10 CH CH297375A patent/CH585461A5/xx not_active IP Right Cessation
- 1975-03-11 SE SE7502714A patent/SE408106B/xx unknown
- 1975-03-13 IT IT21200/75A patent/IT1034225B/it active
- 1975-03-18 JP JP50032847A patent/JPS50128175A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54129366A (en) * | 1978-03-16 | 1979-10-06 | Westinghouse Electric Corp | High pressure compressed gas circuit breaker |
| JPS5553821A (en) * | 1978-10-17 | 1980-04-19 | Mitsubishi Electric Corp | Hydraulic actuator |
| JPS6226128B2 (ja) * | 1978-10-17 | 1987-06-06 | Mitsubishi Electric Corp | |
| JPS5693227A (en) * | 1979-12-27 | 1981-07-28 | Hitachi Ltd | Hydraulic driving unit |
| JPS6258092B2 (ja) * | 1979-12-27 | 1987-12-04 | Hitachi Ltd |
Also Published As
| Publication number | Publication date |
|---|---|
| US3999464A (en) | 1976-12-28 |
| FR2265166B1 (ja) | 1979-10-19 |
| FR2265166A1 (ja) | 1975-10-17 |
| CH585461A5 (ja) | 1977-02-28 |
| GB1483911A (en) | 1977-08-24 |
| DE2413409A1 (de) | 1975-10-02 |
| DE2413409B2 (de) | 1976-08-26 |
| SE7502714L (ja) | 1975-09-19 |
| IT1034225B (it) | 1979-09-10 |
| SE408106B (sv) | 1979-05-14 |
| CA1025505A (en) | 1978-01-31 |