Circuit breaker
US4409445A · kind A · utility
1Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1981 |
| Grant date | Oct 11, 1983 |
| Priority date | — |
| Expiry date | Dec 1, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention provides a novel circuit breaker which is good in terms of both its current-limiting performance and its interrupting performance. The contactors of the circuit breaker for opening and closing an electric circuit are provided with arc shields of a high resistivity material, disposed in a manner to surround the contacts thereof, and arc runways of higher conductivity than the arc shields, and of predetermined dimensions and directions are further provided adjacent to the contacts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.