Method and apparatus for the detection of high pressure conditions in a vacuum switching device
US7225676B2 · kind B2 · utility
3Cited by
22References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 18, 2004 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Aug 31, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/668
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for detecting a high pressure condition within an interrupter includes measuring the intensity of light emitted from an arc created by contacts within the interrupter, comparing the measured intensity with a predetermined value, and providing an indication when the measured intensity exceeds the predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.