Arc chute and circuit breaker equipped with one such arc chute
US8519292B2 · kind B2 · utility
17Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 2008 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | May 4, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2009/348
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An arc chute including an arc extinguishing chamber formed by a stack of deionizing plates, an arc formation chamber defined by first and second side walls or cheeks, and a system for removing gases generated when an electric arc forms in the chute, that include a removal duct behind the second cheek and connected to an exchange space. The arc extinguishing chamber includes permanent magnets, at least a part of the magnets being behind the first cheek, and the gas removal system includes an opening formed partially in the second cheek and exiting outside the arc chute. A circuit breaker may include such an arc chute.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.