Patent · US Expired

Rotor for an electric motor

US6987342B2 · kind B2 · utility

62Cited by
6References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 25, 2004
Grant dateJan 17, 2006
Priority date
Expiry dateMar 25, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K1/2766
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a rotor for an electric motor comprising an essentially cylindrical rotor core having a central aperture and comprising permanent magnets which are embedded in the rotor core and extend essentially like spokes through the rotor core, the rotor core being formed as an integral body and the selected permanent magnets being bridged at their radially inner or outer ends by recesses in the rotor core.

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