Patent · US Expired

Multipoint switch

US7463010B2 · kind B2 · utility

11Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 2004
Grant dateDec 9, 2008
Priority date
Expiry dateJul 13, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H9/0038
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a multipoint switch for continuously switching different coil branches of a step-down transformer. According to said invention, at least one torque motor associated to various drive configurations carries out different driving functions for individual groups, thereby substituting a conventional motor.

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