Circuit breaker operating mechanism
US4271341A · kind A · utility
3Cited by
11References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 25, 1978 |
| Grant date | Jun 2, 1981 |
| Priority date | — |
| Expiry date | Sep 25, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H39/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit interrupter characterized by a pair of separable contacts, operating means for opening and closing the contacts and comprising a piston for opening the contacts, the piston being operative at a range of 3,000 to 10,000 psi, generating means comprising a solid expulsive charge when ignited for moving the piston to the contact-open position, an igniter for the operating means, a primer for the igniter comprising a mixture of flammable material, means for producing an electric charge in the primer, and spring means for returning the piston to the contact-closed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.