Circuit breaker
US4420660A · kind A · utility
1Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1982 |
| Grant date | Dec 13, 1983 |
| Priority date | — |
| Expiry date | Feb 19, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a circuit breaker of improved performance by providing arc shields and arc runways together with the contacts on the rigid conductors of the contactors of a circuit breaker, and disposing said arc runways on the stationary contactor side is a predetermined relationship to the arc extinguishing plates such that a portion of the cut-out in at least one of said arc extinguishing plates substantially overlaps said arc runway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.