Pole for an electrical circuit breaker, equipped with a wide arc extinguishing chamber
US6288621A · kind A · utility
10Cited by
2References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 8, 2001 |
| Grant date | Sep 11, 2001 |
| Priority date | — |
| Expiry date | Jan 8, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/302
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical circuit breaker pole comprises an arc extinguishing chamber with two side flanges, a rear wall, separators, a front opening, a lower arcing horn electrically connected to the stationary contact and an upper arcing horn. The rear part of the lower arcing horn is of large width. It is bordered by a periphery made of gas-generating material interposed between the edge of the rear part and the side flanges. This arrangement fosters breaking of arcs of weak intensity, in high voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.