Vacuum insulated switchgear
US8035054B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2008 |
| Grant date | Oct 11, 2011 |
| Priority date | — |
| Expiry date | Apr 8, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G15/064
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vacuum insulated switchgear having a vacuum container, a fixed contact disposed in the vacuum container, a movable contact disposed in the vacuum container capable of being in contact with or out of contact with the fixed contact, a driving mechanism for driving the movable contact in directions to contact with and out of contact with the fixed contact, a resin portion molded around the vacuum container, an insulative bushing for covering a pulled-out portion of a conductor connected to the fixed contact and for extending from the molded resin portion, and a cable head insulating member for covering a conductor of a cable head connected to the conductor at the pulled-out portion and an outer surface of the cable head insulating member being earthed, characterized in that:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.