Patent · US Expired

Electric switchgear with an enclosed design

US7095606B2 · kind B2 · utility

10Cited by

2References

7Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Gildo Mahn · Charneca de Caparica, PT
Achim Milbich · Philippsburg, DE
Brunhilde Wenge · Wanzleben, DE

Key dates

Filing date	Aug 28, 2002
Grant date	Aug 22, 2006
Priority date	—
Expiry date	Aug 12, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH02B13/025
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The aim of the invention is to prevent an unwanted conduction of a flow of gas inside a channel that connects an inner space of an enclosed switchgear (1) to another space. To this end, the channel is closed by means of a closing mechanism according to an increase in pressure in the inner space.

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