EP0451724A3 - Hydraulic drive - Google Patents
Hydraulic drive Download PDFInfo
- Publication number
- EP0451724A3 EP0451724A3 EP19910105423 EP91105423A EP0451724A3 EP 0451724 A3 EP0451724 A3 EP 0451724A3 EP 19910105423 EP19910105423 EP 19910105423 EP 91105423 A EP91105423 A EP 91105423A EP 0451724 A3 EP0451724 A3 EP 0451724A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic drive
- hydraulic
- drive
- 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.)
- Granted
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
- H01H33/022—Details particular to three-phase circuit breakers
-
- 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
- H01H33/022—Details particular to three-phase circuit breakers
- H01H2033/024—Details particular to three-phase circuit breakers with a triangular setup of circuit breakers
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4011445A DE4011445A1 (en) | 1990-04-09 | 1990-04-09 | HYDRAULIC DRIVE |
DE4011445 | 1990-04-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0451724A2 EP0451724A2 (en) | 1991-10-16 |
EP0451724A3 true EP0451724A3 (en) | 1992-09-23 |
EP0451724B1 EP0451724B1 (en) | 1995-02-08 |
Family
ID=6404066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91105423A Expired - Lifetime EP0451724B1 (en) | 1990-04-09 | 1991-04-05 | Hydraulic drive |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0451724B1 (en) |
DE (2) | DE4011445A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4210368A1 (en) * | 1992-03-30 | 1993-10-07 | Abb Patent Gmbh | High voltage control panel |
DE4340142C2 (en) * | 1993-11-25 | 1995-11-23 | Abb Patent Gmbh | Hydraulic device for actuating at least one linearly movable component |
DE19637051A1 (en) * | 1996-09-12 | 1998-03-19 | Abb Patent Gmbh | Hydraulic drive |
DE19637052A1 (en) * | 1996-09-12 | 1998-03-19 | Abb Patent Gmbh | Hydraulic drive |
DE102008035871B4 (en) * | 2008-08-01 | 2011-03-24 | Abb Technology Ag | Cam disc and spring travel switch for a spring-loaded drive and spring-loaded drive |
US8736288B2 (en) * | 2011-05-16 | 2014-05-27 | Teradyne, Inc. | Liquid cooling during testing |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1199368B (en) * | 1957-10-30 | 1965-08-26 | Westinghouse Electric Corp | High voltage circuit breaker |
EP0240884A2 (en) * | 1986-04-05 | 1987-10-14 | BBC Brown Boveri AG | Drive for the generation of a linear movement of a consumer |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1155513B (en) * | 1957-03-19 | 1963-10-10 | Siemens Ag | Pneumatic drive system for electrical switches and contactors |
ES406076A1 (en) * | 1972-08-24 | 1975-08-16 | Garcia Garcia | Central hydraulic tension assembly with multiple tension radius arms. (Machine-translation by Google Translate, not legally binding) |
DE3408909A1 (en) * | 1984-03-10 | 1985-09-12 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | HYDRAULIC DRIVE |
DE3718869A1 (en) * | 1987-06-05 | 1988-12-22 | Asea Brown Boveri | Hydraulic drive for a high-voltage (high-tension) switching apparatus (switch gear) |
DE3709988A1 (en) * | 1987-03-26 | 1988-10-06 | Bbc Brown Boveri & Cie | HYDRAULIC OR PNEUMATIC DRIVE FOR ACTUATING THE MOVABLE SWITCHING CONTACT OF A MEDIUM AND / OR HIGH VOLTAGE CIRCUIT BREAKER |
-
1990
- 1990-04-09 DE DE4011445A patent/DE4011445A1/en active Granted
-
1991
- 1991-04-05 DE DE59104524T patent/DE59104524D1/en not_active Expired - Fee Related
- 1991-04-05 EP EP91105423A patent/EP0451724B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1199368B (en) * | 1957-10-30 | 1965-08-26 | Westinghouse Electric Corp | High voltage circuit breaker |
EP0240884A2 (en) * | 1986-04-05 | 1987-10-14 | BBC Brown Boveri AG | Drive for the generation of a linear movement of a consumer |
Also Published As
Publication number | Publication date |
---|---|
DE4011445C2 (en) | 1993-02-25 |
DE59104524D1 (en) | 1995-03-23 |
EP0451724A2 (en) | 1991-10-16 |
EP0451724B1 (en) | 1995-02-08 |
DE4011445A1 (en) | 1991-10-10 |
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