Patent · US Expired

On-load tap changer for a sequence switch

US6998547B2 · kind B2 · utility

4Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 2004
Grant dateFeb 14, 2006
Priority date
Expiry dateMar 10, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H9/0016
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A load changeover switch for a tap changer with two permanent main contact pairs for each phase to be switched, wherein the fixed contacts thereof are each time bridged over by a movable permanent main contact. The fixed permanent main contacts consist of a plurality of contact plates, which are articulated by means of contact springs, in the manner that the direction of deflection of the individual contact plates corresponds in each instance with the direction of impinging of the movable permanent main contact.

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