Patent · US Active

Switch device and a switchgear provided therewith

US8969748B2 · kind B2 · utility

3Cited by

8References

18Claims

0Family size

Assignee

ABB RESEARCH LTD. · CH

Inventors

Thor Endre · Skien, NO
Tom-Rune Bjortuft · Porsgrunn, NO
Robert Espeseth · Skien, NO
Leif Lundin · Arboga, SE
Paal Kristian Skryten · Skien, NO

Key dates

Filing date	Apr 27, 2011
Grant date	Mar 3, 2015
Priority date	—
Expiry date	Oct 31, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH01H1/025
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A switch device including a bus bar, and a switch knife, wherein the knife is arranged so as to pivot around an axis perpendicular to a longitudinal axis of the bus bar. The bus bar presents a projection which is an integrated part of the bus bar, and the knife is pivotable to a first position, in which it directly contacts said projection, and to a second position in which it is removed from contact with said projection.

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