Locking and operating system for generator circuit breakers
US8106316B2 · kind B2 · utility
3Cited by
4References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2007 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Nov 7, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control unit for an electrical switching device comprises: a control shaft which is rotatable about a control axis for operating a moveable contact of the electrical switching device, a first blocking mechanism for the control shaft, which can be activated to block a rotary movement of the control shaft in a first rotation direction, and an activation mechanism for the first blocking mechanism, which is designed to activate the first blocking mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.