Electric insulation material, an electric device comprising the insulation material and a transformer
US8178780B2 · kind B2 · utility
0Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2010 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Aug 4, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B3/52
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric insulation material for an electric device includes one or several electrical conductors and an electric insulation material arranged around the conductor or between the conductors, which insulation material is impregnated with a dielectric insulation liquid. The electric insulation material includes a main layer that is provided with a surface layer that has a dielectric constant that is lower than the dielectric constant of the main layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.