Electric power switch with slotted commutation end plate
US4521655A · kind A · utility
5Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1983 |
| Grant date | Jun 4, 1985 |
| Priority date | — |
| Expiry date | Feb 2, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/48
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In an electric power switch in which an arc generated between movable and stationary contacts 6, 14 migrates to an arc runner 15 and a commutation end plate and is extinguished by a grid 2 arranged therebetween, a cut is formed at least in the lower half of the end plate which confronts the grid, whereby the end of the arc is driven towards the center of the end plate and away from a surrounding arc box 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.