DE8717770U1 - - Google Patents
Info
- Publication number
- DE8717770U1 DE8717770U1 DE8717770U DE8717770U DE8717770U1 DE 8717770 U1 DE8717770 U1 DE 8717770U1 DE 8717770 U DE8717770 U DE 8717770U DE 8717770 U DE8717770 U DE 8717770U DE 8717770 U1 DE8717770 U1 DE 8717770U1
- Authority
- DE
- Germany
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H9/047—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings provided with venting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
- H01H2009/526—Cooling of switch parts of the high voltage switches
-
- 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
- H01H33/008—Pedestal mounted switch gear combinations
-
- 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
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873733466 DE3733466A1 (de) | 1987-09-30 | 1987-09-30 | Elektrischer hochspannungs-leistungsschalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8717770U1 true DE8717770U1 (de) | 1989-12-21 |
Family
ID=6337548
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8717770U Expired - Lifetime DE8717770U1 (de) | 1987-09-30 | 1987-09-30 | |
| DE19873733466 Withdrawn DE3733466A1 (de) | 1987-09-30 | 1987-09-30 | Elektrischer hochspannungs-leistungsschalter |
| DE8888730206T Expired - Fee Related DE3872819D1 (de) | 1987-09-30 | 1988-09-07 | Elektrischer hochspannungs-leistungsschalter. |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873733466 Withdrawn DE3733466A1 (de) | 1987-09-30 | 1987-09-30 | Elektrischer hochspannungs-leistungsschalter |
| DE8888730206T Expired - Fee Related DE3872819D1 (de) | 1987-09-30 | 1988-09-07 | Elektrischer hochspannungs-leistungsschalter. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4920242A (de) |
| EP (1) | EP0310537B1 (de) |
| JP (1) | JPH01115020A (de) |
| DE (3) | DE8717770U1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5335116A (en) * | 1989-05-09 | 1994-08-02 | Mitsubishi Denki Kabushiki Kaisha | Method and apparatus for recording analog video signal in compressed digital format |
| DE29612646U1 (de) * | 1996-07-10 | 1996-09-19 | Siemens Ag | Umlenkgetriebe für einen elektrischen Hochspannungsschalter |
| CN107170630B (zh) * | 2016-03-08 | 2019-09-20 | 湖南长高高压开关有限公司 | 主回路与灭弧室串联以开合感应电流的超高压接地开关 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607331B2 (ja) * | 1977-05-27 | 1985-02-23 | 日新電機株式会社 | ３相一括形ガスしや断器 |
| DE2913379B2 (de) * | 1979-03-30 | 1981-02-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Mehrpoliges elektrisches Schaltgerät mit einem in den Innenraum eines rohrförmigen Grundgestells hineinragenden Montagekörper |
| DE8110142U1 (de) * | 1981-03-31 | 1981-08-24 | Siemens AG, 1000 Berlin und 8000 München | Hydraulische Betätigungsvorrichtung |
-
1987
- 1987-09-30 DE DE8717770U patent/DE8717770U1/de not_active Expired - Lifetime
- 1987-09-30 DE DE19873733466 patent/DE3733466A1/de not_active Withdrawn
-
1988
- 1988-09-07 EP EP88730206A patent/EP0310537B1/de not_active Expired - Lifetime
- 1988-09-07 DE DE8888730206T patent/DE3872819D1/de not_active Expired - Fee Related
- 1988-09-29 JP JP63248923A patent/JPH01115020A/ja active Pending
- 1988-09-29 US US07/251,107 patent/US4920242A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4920242A (en) | 1990-04-24 |
| EP0310537B1 (de) | 1992-07-15 |
| DE3872819D1 (de) | 1992-08-20 |
| JPH01115020A (ja) | 1989-05-08 |
| EP0310537A1 (de) | 1989-04-05 |
| DE3733466A1 (de) | 1989-04-20 |