Method and apparatus for the sonic detection of high pressure conditions in a vacuum switching device
US7383733B2 · kind B2 · utility
4Cited by
39References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2005 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Sep 30, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2033/6686
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for detecting a high pressure condition within an interrupter includes introducing high intensity ultrasonic sound into the outer wall of a vacuum interrupter through a sonic wave guide, then listening for the reflected and retransmitted response signals. The characteristics of the response signals are utilized to determine the pressure within the interrupter, and to determine when an unwanted high pressure condition exists.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.