Movably disposed circuit breaker having a blow-out attenuator
US6100778A · kind A · utility
5Cited by
10References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 16, 1999 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | Mar 16, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/342
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A movably disposed circuit breaker has a blow-out attenuator for cooling and deionizing switching gases escaping from an arc quenching chamber. The blow-out attenuator is composed of two telescopically interlocking sub-members. The one sub-member is fixedly arranged, while the other sub-member rests with a sealing surface on a mouth surface of the arc quenching chamber. Due to the two-part design of the blow-out attenuator, the switching-gas pressure improves the sealing action between the arc quenching chambers and the blow-out attenuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.