Circuit breaker with fluid injection
US9312085B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2014 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Aug 19, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2033/912
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker including an ejection device including an arc-extinction medium for improved extinction of an arc formed during a breaker operation and an exhaust-cooling medium for improved cooling of exhaust gases in the circuit breaker. Thereby, the arc-extinction liquid includes an organofluorine compound having a boiling point Tb at 1 bar higher than −60° C. and being selected from the group of: a fluoroether; a fluoroamine; a fluoroketone; and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.