Patent · US Expired

Direct drive high torque compact synchronous motor

US7119471B2 · kind B2 · utility

4Cited by
16References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 2004
Grant dateOct 10, 2006
Priority date
Expiry dateJul 9, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K7/14
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A synchronous motor includes a housing 20, a stator assembly 30 mounted within the housing 20, a rotor assembly 40 rotationally mounted within the housing 20, a rotor shaft 50 having an upper mounting surface 52 attached to the rotor assembly 40, a bearing assembly 60 coupled to the housing 20 and positioned axially between the rotor assembly 40 and the upper mounting surface 52, a slip ring assembly 70 supported by the housing 20 and positioned axially at least partially within the stator assembly 30 and the rotor assembly 40, and an encoder assembly 80 adjacent the slip ring assembly 70.

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