Gas circuit breaker
US9165732B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2011 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Sep 5, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/88
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gas circuit breaker includes a sealed tank that includes first and second conductor containers with an insulating tube therebetween and is filled with insulating gas; a fixed arcing contact on the first conductor container side; a movable arcing contact that is provided on the second conductor container side and moves to be able to contact and separate from the fixed arcing contact; a fixed conductive contact on the first conductor container side; a movable conductive contact that moves in accordance with contact and separation of the movable arcing contact and contacts and separates from the fixed conductive contact; and a puffer unit that is provided on the second conductor container side and has a mechanical puffer chamber accommodating the movable conductive contact formed therein, wherein the puffer unit is arranged between the insulating tube and the second conductor container and is exposed to the periphery of the sealed tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.