Patent · US Expired

High-voltage power switch

US5563389A · kind A · utility

4Cited by

3References

6Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Heiner Marin · Berlin, DE
Volker Lehmann · Hersbruck, DE

Key dates

Filing date	Apr 11, 1995
Grant date	Oct 8, 1996
Priority date	—
Expiry date	Apr 11, 2015

Classification

Technology area (CPC H)Electricity
CPC primaryH01H33/245
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

High-voltage power switch with an arc contact and a spatially separated rated current contact, with the movable part of the rated current contact taking the form of an external hollow cylinder for delimiting a storage space for a pressurized quenching gas. The hollow cylinder is made of a one-piece precision casting of contact material, especially CuCr alloy, the jacket of which is stiffened by three inwardly projecting flange-like projections. This design provides a light structure for a bridging circuit component for a rated current contact requiring comparatively little driving power for its operation.

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