Elongated member and use thereof
US7939752B2 · kind B2 · utility
3Cited by
6References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2007 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Jan 27, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B17/36
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An elongated member including an outer sleeve-like rigid insulator shell surrounding a high voltage conductor extending in the longitudinal direction of the shell and a gap inside the shell next to an internal wall of the shell at least partially surrounding the conductor and filled with a medium including a material of with electrically insulating properties. The medium is formed by an electrically insulating material including hollow spaces at least partially filled with gas. The material is adapted to expand upon a temperature rise thereof by reversibly compressing the hollow spaces and reducing the volume thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.