| 发明名称 |
ELECTRIC CURRENT SWITCHING APPARATUS |
| 摘要 |
An electric switch includes a movable contact, a stationary contact to be contacted by the movable contact, one or more quenching plates, and a permanent magnet for directing an arc, which is formed when the contacts are separated from each other, to the quenching plate. The quenching plate has a base portion and side portions extending away from the base portion. The permanent magnet is arranged such that the arc is directed towards one of the side portions of the quenching plate. |
| 申请公布号 |
US2015027983(A1) |
申请公布日期 |
2015.01.29 |
| 申请号 |
US201414512155 |
申请日期 |
2014.10.10 |
| 申请人 |
ABB OY |
发明人 |
MATTLAR Harri;VÄLIVAINIO Mikko |
| 分类号 |
H01H9/44;H01H9/36 |
主分类号 |
H01H9/44 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An electric switch, comprising:
a movable contact; a stationary contact for being contacted by the movable contact; one or more quenching plates; and a permanent magnet for directing an arc, which is formed when the contacts are separated from each other, to the quenching plates, wherein the quenching plate has a base portion and side portions extending from the base portion, and the permanent magnet is placed closest to the base of the quenching plate such that the side portions extending from the base of the plate extend away from the permanent magnet, and wherein the permanent magnet is arranged to direct the arc towards one of the side portions of the quenching plates. |
| 地址 |
Helsinki FI |
