Rotating arc and expansion circuit breaker
US4900882A · kind A · utility
89Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1988 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | Jun 22, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/982
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker with expansion and rotating arc in sulphur hexafluoride comprising a metal breaking chamber supporting a stationary main contact capable of cooperating with a movable main contact. The breaking chamber comprises an insulating end plate away from the breaking area and an opposite metal end plate close to the breaking area and supporting a coil or a permanent blowout magnet by rotation of the arc drawn between the arcing contacts housed inside the breaking chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.