Patent · US Active

Circuit breaker comprising ventilation channels for efficient heat dissipation

US9147541B2 · kind B2 · utility

0Cited by

10References

20Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Wolfgang Feil · Schwandorf, DE
Rainer Kreutzer · Idar-Oberstein, DE
Alexander Spies · Erlangen, DE

Key dates

Filing date	Sep 3, 2012
Grant date	Sep 29, 2015
Priority date	—
Expiry date	Sep 16, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2223/002
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A circuit breaker includes a housing equipped with a first switchgear region, in which a quenching chamber device and a sliding contact device having movable contacts are located, the contacts lying opposite fixed contacts, and equipped with a second switchgear region, in which a current release assembly consisting of a short-circuit release and an overload release are located. In an embodiment, a continuous ventilation channel is formed within opposing housing walls along the fixed contacts, the channel acting as a first convective air-flow through the circuit breaker in order to dissipate the heat.

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