Power switchgear
US8723070B2 · kind B2 · utility
6Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2010 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Apr 29, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/666
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power switchgear according to the present invention includes a pass-through hole which is formed in a fixed side contact case that is supported by a fixed side insulation supporter to fix and retain the fixed side of a vacuum valve and has a larger inner diameter than an outer diameter of the vacuum valve so that the vacuum valve is capable of horizontally passing through and the fixed side end portion of the vacuum valve is placed by passing through; and a fixed side connection conductor attached to the fixed side contact case and connected to the fixed side end portion of the vacuum valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.