Wear-resistant material, puffer cylinder, and puffer-type gas circuit breaker
US9604881B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2014 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Nov 1, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24355
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention includes a wear-resistant material including: a base material formed of pure aluminum or an aluminum alloy having a finely asperity structure on a surface thereof; and a coat including a hydrated oxide coat of aluminum, the coat being formed on the surface of the base material. Further, the present invention including a puffer cylinder including: a finely asperity structure on an inner-wall surface thereof; and a coat including a hydrated oxide coat of aluminum, the coat being formed on the inner-wall surface of the puffer cylinder. The present invention also includes a puffer-type gas circuit breaker includes the above puffer cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.