Circuit breaker with arc chamber vent
US4639564A · kind A · utility
19Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1985 |
| Grant date | Jan 27, 1987 |
| Priority date | — |
| Expiry date | May 1, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H1/5855
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker with arc chamber vent characterized by a molded insulating housing containing circuit breaker means and an arc quenching chamber, the housing having wall means forming a compartment containing a terminal, and the wall means having gas vent opening communicating between the chamber and the compartment and a tubular wall surrounding the terminal for preventing any arc gases exhausting from the chamber into the compartment from causing electrical breakdown between the terminal and any proximate conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.