Hybrid circuit breaker with axial blowout coil
US5280144A · kind A · utility
89Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1992 |
| Grant date | Jan 18, 1994 |
| Priority date | — |
| Expiry date | Oct 15, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/122
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vacuum cartridge of a hybrid circuit breaker comprises an end-plate having a groove for housing an annular coil external to the cartridge and electrically connected in series with the contacts of the cartridge. The coil is located facing the arcing contacts and is rigidly held by the groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.