Patent · US Expired

Low-voltage power switch with a switching chamber

US5811748A · kind A · utility

1Cited by

2References

10Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Karl-Heinz Manthe · Berlin, DE
Martin Böttcher · Berlin, DE
Sezai Turkmen · Berlin, DE

Key dates

Filing date	Mar 7, 1997
Grant date	Sep 22, 1998
Priority date	—
Expiry date	Mar 7, 2017

Classification

Technology area (CPC H)Electricity
CPC primaryH01H9/342
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A low-voltage power switch having a switching chamber with a switching contact arrangement and an arc extinguishing device. Sealing of the switching chamber is achieved by an apron-like projection on the movable contact support in combination with a stationary curved recess and by ribs opposite the movable contact support and a sealing arrangement on the stationary counter-contact.

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