Patent · US Active

Diverter switch, a method for operating such a switch and use of such a switch

US7982142B2 · kind B2 · utility

1Cited by

9References

26Claims

0Family size

Assignee

ABB RESEARCH LTD. · CH

Inventors

Lars Jonsson · Västerås, SE
Tommy Larsson · Ludvika, SE
Petter Nilsson · Ludvika, SE
Stefan Valdemarsson · Säter, SE

Key dates

Filing date	Jun 29, 2005
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Nov 6, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH01F29/04
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A diverter switch with an operating member and an electric circuit. The electric circuit has a main branch and a resistance branch connected in parallel with the main branch. Each branch includes a contact and a vacuum switch. The resistance branch also includes a resistance. The main rotary selector contact is always operated before the resistance contact. The operating member is arranged, during operation, always to rotate the main contact in one and the same direction of rotation. Also a corresponding method for operating a diverter switch and use of such a switch.

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