Vacuum insulated switchgear
US7897890B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2007 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | May 20, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/66
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vacuum insulated switchgear is provided with: an enclosure having a switch block defined by a grounded metal plate, a bus block positioned above the switch block, and a cable block positioned on the rear side of the bus block; a bus provided in the bus block and connected with a fixed contact of a vacuum double-break three-position switch; the vacuum double-break three-position switch provided in the switch block so that its movable contacts are positioned below its fixed contacts; an operating device provided in the switch block so as to be positioned below the vacuum double-break three-position switch; and a lever mechanism that couples together the movable contacts of the vacuum double-break three-position switch and the operating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.