| 发明名称 | Gas circuit breaker | ||
| 摘要 | A gas circuit breaker is provided, avoiding change in the position of a cover member and without weakening of the blow of gas to the arc in an arc discharge cavity even when a surface of the cover member in contact with the arc discharge cavity is damaged. The gas circuit breaker includes a contact ring, a holder attached to the contact ring, and extending to a path of arc-extinguishing gas that extinguishes an arc, and an electrically insulative cover member attached to the holder. | ||
| 申请公布号 | US9012800(B2) | 申请公布日期 | 2015.04.21 |
| 申请号 | US201013511824 | 申请日期 | 2010.05.21 |
| 申请人 | Mitsubishi Electric Corporation | 发明人 | Yamashita Toru;Yoshida Daisuke;Horinouchi Katsuhiko;Hayashi Tatsuya |
| 分类号 | H01H33/02;H01H33/70;H01H33/662 | 主分类号 | H01H33/02 |
| 代理机构 | Buchanan Ingersoll & Rooney PC | 代理人 | Buchanan Ingersoll & Rooney PC |
| 主权项 | 1. A gas circuit breaker comprising: a stationary contact, a holder attached to said stationary contact, and extending towards a path of arc-extinguishing gas extinguishing an arc, and an electrically insulative cover member attached to said holder, wherein said cover member includes a first member located at a side in proximity to a contact region between the arc-extinguishing gas and arc, and a second member located at a side farther away from said contact region, said first member and said second member being attached to said holder integrally. | ||
| 地址 | Chiyoda-Ku, Tokyo JP | ||