Circuit breaker with fluid injection
US9412541B2 · kind B2 · utility
0Cited by
17References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2014 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Jun 13, 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 with a compartment, in which an arc-extinction medium for improving circuit breaker operation is contained, and having an ejection orifice through which the arc-extinction medium is to be ejected, wherein the ejection orifice opens out into an injection zone of the circuit breaker in which the pressure is lower than in an arcing zone when an arc is present, and wherein the arc-extinction medium and/or exhaust-cooling medium is at least partially present in liquid form, when it is contained in the ejection device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.