Contactor with the properties of a circuit-breaker
US4454490A · kind A · utility
3Cited by
4References
8Claims
0Family size
Inventors
Key dates
| Filing date | May 29, 1981 |
| Grant date | Jun 12, 1984 |
| Priority date | — |
| Expiry date | May 29, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H77/101
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus comprising a plurality of circuit breakers with a rigid contact bridge 16 cooperating with fixed contacts 9, 10 carried respectively by conductors 11, 12, generating repellent forces; the median region 21 of the bridge cooperates with a magnetic structure 37 providing the bridge with compensation forces for the contact pressure when the latter is under a predetermined threshold, above which the bridge is ejected from the fixed contacts. This contactor is advantageously used for the control of power consuming apparatus and protection of their supply lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.