Electric current switching apparatus
US9437376B2 · kind B2 · utility
7Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2014 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Oct 10, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2009/365
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.