Circuit breaker
US4451718A · kind A · utility
26Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1982 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Feb 22, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention combines the provision of arc shields surrounding the contacts of a circuit breaker with a magnetic driving means to raise the arc voltage of an arc drawn across the contacts and to effectively drive the arc, whereby the performance of the circuit breaker is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.