Device for protecting against operational overloads, at opening, for static relays with semi-conductors
US5233495A · kind A · utility
5Cited by
2References
4Claims
0Family size
Inventors
Key dates
| Filing date | Jun 11, 1991 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Jun 11, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/08144
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A device for protecting a principal static relay including semi-conductors from overloads which includes an auxiliary static relay which is connected in series with a conventional parallel protection circuit and whose closure is controlled at the same time as the opening of the principal static relay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.