Contact system for high-voltage power circuit breakers
US4142081A · kind A · utility
0Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1977 |
| Grant date | Feb 27, 1979 |
| Priority date | — |
| Expiry date | Sep 14, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H1/54
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A contact system for a high-voltage power circuit breaker wherein the contact system includes first and second hollow contacts which have end faces which rest against one another under pressure in the "on" position or condition of the breaker and which separate to form a gap in the "off" position of the breaker. In accordance with the invention, the contact system is further provided with a number of spring-loaded contact means arranged at the end face of one of the contacts for forming with the current path of that contact current loops for aiding the spring force provided by the contact means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.