Patent · US Expired

Toothless stator electrical machine construction method

US4852245A · kind A · utility

38Cited by
10References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 9, 1987
Grant dateAug 1, 1989
Priority date
Expiry dateOct 9, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49073
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A stator for use with a permanent magnet rotor electrical machine is disclosed which stator eliminates ferromagnetic teeth previously used in stator cores. The stator of the present invention uses a winding support structure made of non-magnetizable, non-conductive material to support the stator windings, which may advantageously be prewound prior to installation on the winding support structure. The stator is easily adaptable to liquid cooling, and has substantially reduced losses due to its toothless design.

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