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| Application No. | Application Title | Issue Date |
| 20090134124 | Buffering mechanism for gas circuit breaker A buffering mechanism for a gas circuit breaker includes a center piece which includes two protrusions extending from two ends thereof and two match surfaces are defined in two opposite sides of the center piece. Two side boards each have a pivot hole and a slot defined... | 05/28/2009 |
| 20080061037 | COMPOSITE ARC SUPPRESSION DEVICE An ablative arc suppression device (10) includes a first region (16) having a first electrical arc ablation characteristic and a second region (18) having a second electrical arc ablation characteristic. The first region and the second region are co... | 03/13/2008 |
| 20070221626 | Gas insulated switchgear The invention secures superior performance by restraining carbon generation also when using as an arc extinguishing medium a gas comprising the element C and having a global warming potential lower than that of SF6 gas. A fixed contact section and a movable c... | 09/27/2007 |
| 20070068903 | Gas circuit-breaker In an interrupter of a gas circuit breaker that uses springs as a driving source, a contact having a fixed contact and movable contact is opened and closed so as to turn on and off electric power. An operation unit generates driving force for driving the movable contact... | 03/29/2007 |
| 20060151438 | Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and piston A puffer type gas circuit breaker has a piston, which is connected with a center shaft via a link mechanism. At an initial stage of an interruption operation, the link mechanism drives a puffer cylinder and the piston both in an interruption direction while maintaining ... | 07/13/2006 |
| 20050150868 | Electrical switching device with a cooling device In order to control the cooling power of a cooling device in an electric switching device (1), through-openings (14a, b, c) can be closed by means of a holding fitting (16). The holding fitting (16) fixes the cooling device in an at le... | 07/14/2005 |
| 20050045595 | Pressure-limiting valve for a puffer interrupter assembly Another preferred embodiment of a valve for a puffer interrupter assembly includes a body for mounting in the puffer interrupter assembly. The body has a through hole formed therein and extending between a first and a second major surface thereof. The valve also include... | 03/03/2005 |
