Patent · US Active

Method of producing an arc-erosion resistant coating and corresponding shield for vacuum interrupter chambers

US7758917B2 · kind B2 · utility

4Cited by

2References

20Claims

0Family size

Assignee

ABB TECHNOLOGY AG · CH

Inventors

Dietmar Gentsch · Ratingen, DE
Georg Ptaschek · Rosbach, DE

Key dates

Filing date	Sep 23, 2005
Grant date	Jul 20, 2010
Priority date	—
Expiry date	Mar 17, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2033/66269
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method for producing an arc-erosion resistant coating provides a substrate material with an arc-erosion resistant layer by a cold-gas spraying method. The method can be used for producing an arc-erosion resistant coating in inner regions of vacuum interrupter chambers that are exposed to electric arcs. An exemplary vacuum interrupter chamber with a shield coated inside is disclosed for medium-voltage switchgear.

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