Circuit breaker with impact trip delay
US4697163A · kind A · utility
15Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1986 |
| Grant date | Sep 29, 1987 |
| Priority date | — |
| Expiry date | Mar 27, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H71/7463
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker having a trip delay mechanism characterized by a variable magnetic air gap that is adjustable to permit time delay at low level overcurrents to avoid nuisance tripping during motor starting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.