Patent · US Expired

Method and apparatus for controlling an electric machine

US7253548B2 · kind B2 · utility

5Cited by
104References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 2003
Grant dateAug 7, 2007
Priority date
Expiry dateJul 11, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K11/27
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention provides a method and apparatus for controlling a machine in which the magnetic flux emanating from a rotor is selectively diverted to a second path in the stator which bypasses the winding or windings so as to magnetically de-couple the winding or windings from the rotor.

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