Hybrid circuit breaker
US4458119A · kind A · utility
17Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1982 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Sep 30, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/6661
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is disclosed a vacuum circuit breaker unit wherein a fixed contact and a movable contact which can be brought into contact with or separated from each other are accommodated in a vacuum valve, as well as a gas circuit breaker unit, in which a fixed contact and movable contact are provided in a sealed container containing insulating gas. The vacuum circuit breaker unit and the gas circuit breaker unit are connected in series and accommodated in an earthed tank with a vacuum valve being surrounded by a decomposition gas-proof sealed container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.