Patent · US Expired

Electric switch

US4197438A · kind A · utility

1Cited by

2References

5Claims

0Family size

Assignee

BBC Aktiengesellschaft, Brown, Boveri & Cie · CH

Inventors

Gerhard Korner · Schriesheim, DE
Werner Konig · Leverkusen, DE

Key dates

Filing date	Oct 21, 1977
Grant date	Apr 8, 1980
Priority date	—
Expiry date	Oct 21, 1997

Classification

Technology area (CPC H)Electricity
CPC primaryH01H33/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electric switch, for use as a high-voltage circuit breaker, having a plurality of quenching chambers per switch pole, with each of the quenching chambers radially disposed in a common actuator shaft. The quenching chambers disposed in the common actuator shaft are then placed in a closed vessel having a toroidal shape.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.