Patent · US Expired

Electric motor

US6897596B2 · kind B2 · utility

10Cited by
9References
39Claims
0Family size

Assignees

Inventor

Key dates

Filing dateAug 25, 2003
Grant dateMay 24, 2005
Priority date
Expiry dateAug 25, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K2201/12
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electric motor comprising a rotor and a stator is disclosed. The rotor is supported on a substantially spherical bearing and is of a substantially spherical design facing the stator, which has a high degree of efficiency. The stator may have a magnetic return-path body which is made of a compressed powder material. The return-path body may be of a substantially spherical design, at least in segments facing the rotor.

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