DE3000983C2 - - Google Patents
Info
- Publication number
- DE3000983C2 DE3000983C2 DE19803000983 DE3000983A DE3000983C2 DE 3000983 C2 DE3000983 C2 DE 3000983C2 DE 19803000983 DE19803000983 DE 19803000983 DE 3000983 A DE3000983 A DE 3000983A DE 3000983 C2 DE3000983 C2 DE 3000983C2
- Authority
- DE
- Germany
- Prior art keywords
- valve
- line
- switch
- pressure
- piston
- 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 - Fee Related
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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
- H02H7/224—Anti-pump circuits
Landscapes
- Fluid-Pressure Circuits (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1113879A CH646010A5 (en) | 1979-12-17 | 1979-12-17 | Hydraulic drive for an electric circuit breaker |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3000983A1 DE3000983A1 (de) | 1981-06-25 |
DE3000983C2 true DE3000983C2 (en, 2012) | 1990-08-30 |
Family
ID=4370453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19803000983 Granted DE3000983A1 (de) | 1979-12-17 | 1980-01-12 | Hydraulischer antrieb fuer einen elektrischen schalter |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH646010A5 (en, 2012) |
DE (1) | DE3000983A1 (en, 2012) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1034145C (zh) * | 1993-07-29 | 1997-02-26 | 浙江大学 | 高压断路器的液压操动机构 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2447656A (en) * | 1944-05-24 | 1948-08-24 | Westinghouse Electric Corp | Compressed gas-operated circuit interrupter with position indicator |
FR1352178A (fr) * | 1962-12-04 | 1964-02-14 | Comp Generale Electricite | Perfectionnements aux dispositifs de commande oléopneumatique de disjoncteurs devant effectuer des manoeuvres successives pendant un court laps de temps |
US3324265A (en) * | 1964-10-05 | 1967-06-06 | Westinghouse Electric Corp | Fluid-operating mechanism for a circuit interrupter |
DE2047822C3 (de) * | 1970-09-22 | 1979-02-01 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektrischer Schalter mit hydraulischer Betätigung |
-
1979
- 1979-12-17 CH CH1113879A patent/CH646010A5/de not_active IP Right Cessation
-
1980
- 1980-01-12 DE DE19803000983 patent/DE3000983A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3000983A1 (de) | 1981-06-25 |
CH646010A5 (en) | 1984-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8128 | New person/name/address of the agent |
Representative=s name: LUECK, G., DIPL.-ING. DR.RER.NAT., PAT.-ANW., 7891 |
|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: BBC BROWN BOVERI AG, BADEN, AARGAU, CH |
|
8128 | New person/name/address of the agent |
Representative=s name: DERZEIT KEIN VERTRETER BESTELLT |
|
8128 | New person/name/address of the agent |
Representative=s name: RUPPRECHT, K., DIPL.-ING., PAT.-ANW., 6242 KRONBER |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |