Compact DC/AC circuit breaker with common arc extinguishing capability
US4962406A · kind A · utility
14Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1989 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Dec 26, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/446
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker combines DC and AC arc extinguishing capabilities by associating a magnet applied permanently upon the outside wall of the insulating housing of the breaker and a U-shaped member of ferromagnetic material lodged and held inside the housing, both being in line with the centrally disposed arc chamber and the fixed and stationary contacts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.