Abrasion resistant material, puffer cylinder, and puffer type gas circuit breaker
US10128071B2 · kind B2 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2015 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Sep 16, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2205/002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is an abrasion resistant material having low cost and excellent abrasion resistance, a puffer cylinder, and a puffer type gas circuit breaker. The abrasion resistant material includes: a base material which is formed of pure aluminum or aluminum alloy and has an unevenness structure formed on its surface; and an aluminum hydrated oxide film which is formed on the surface of the base material, wherein a surface of the aluminum hydrated oxide film is provided with an unevenness structure which is finer than the unevenness structure of the base material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.