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| Number | Title | Issue Date |
| 6180907 | Limiter device for a high voltage circuit breaker having a grounded metal tank A limiter device for a "dead tank" high voltage circuit breaker having a grounded metal tank, the circuit breaker having two terminals for connection respectively to a high voltage electricity line and to a link leading to a source that is situated upstre... | 01/30/2001 |
| 6091039 | Gas-insulated line with an incorporated power capacitor and circuit breaker The gas-insulated line comprises a conductor (1A) disposed inside a case (3A) filled with a dielectric gas under pressure. A power capacitor (5) is electrically connected to the conductor while being disposed inside a compartment (3P) secured to the case ... | 07/18/2000 |
| 6091040 | Outdoor high-voltage power circuit breaker The invention concerns an open air high-voltage circuit breaker comprising a circuit breaker unit (13) and a control capacitor connected electrically in parallel to it and surrounded by a common composite isolation housing (7, 8) made essentially of plast... | 07/18/2000 |
| 5821496 | Method of controlling transient recovery voltage and gas insulation switch gear using the same The steep initial rate of rise of the transient recovery voltage across the poles of a circuit breaker just after a fault current break is decreased. The breaking performance in the case of a short-circuit fault to ground taking place in an electrical pow... | 10/13/1998 |
| 5728989 | Insulation gas filled circuit breaker An insulation gas filled circuit breaker in which a circuit breaking portion including two separably opposing contacts and a capacitor connected in parallel between the two contacts in the circuit breaking portion are disposed in a closed metal container ... | 03/17/1998 |
| 5661282 | Gas insulated circuit breaker Breaking poles (1) and (2) are respectively secured to respective conductor bodies (4) and (5) and electrically connected thereto, and the conductor bodies (4) and (5) are fixedly secured and connected to each other by an interpole insulating support body... | 08/26/1997 |
| 4986161 | Apparatus and associated method for reducing electrical switch arcing Electrical circuit inductively coupled to the circuit of an electromagnetic projectile launcher for beneficially reducing switch arcing duration and switch arc energy dissipation.... | 01/22/1991 |
| 4852140 | X-ray tube bearing arc suppressor A structure for suppressing arcing in electric current carrying anti-friction bearings operating in a vacuum environment is disclosed having opposed spaced-apart surfaces forming an effective capacitor in parallel with the bearings responsive to temperatu... | 07/25/1989 |
| 4810840 | Dead tank circuit breaker A dead tank circuit breaker comprises a grounded tank, bushings placed on the tank, an interrupting means housed in the tank and having both ends extended out through the respective bushings, and a capacitor arranged in the neighborhood of at least one of... | 03/07/1989 |
| 4383150 | Circuit-interrupters having shunting capacitance around the separable power contacts with capacitance disconnecting means therefor An improved circuit-interrupter of either the vacuum-type, or of the compressed-gas type, is provided having a shunting capacitance around, or electrically paralleling, the separable power contacts of the main power interrupter. In series with the said el... | 05/10/1983 |
| 4103128 | Tank-type compressed-gas circuit-breaker having capacitance-supporting means A tank-type compressed-gas circuit-interrupter is provided utilizing line-to-ground capacitance means disposed within a grounded metallic tank structure controlling the rate of rise of the recovery voltage and serving an additional function of assisting t... | 07/25/1978 |
| 3982088 | High-voltage electric circuit breaker comprising series-connected vacuum interrupter and fluid blast interrupter This high voltage circuit breaker comprises a vacuum type interrupter and a fluid-blast type interrupter electrically connected in series and arranged to be opened substantially simultaneously so that concurrent arcing occurs in the two interrupters until... | 09/21/1976 |
