Method of manufacturing a vacuum encapsulation having an empty chamber
US7866031B2 · kind B2 · utility
6Cited by
15References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2007 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Feb 28, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4987
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A seal is provided around a vacuum interrupter and an air-filled cavity, and a tube is provided within the seal. The tube has a first end open to the air-filled cavity and a second end open to an exterior of the seal. The seal, the vacuum interrupter, and the air-filled cavity are encapsulated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.