Patent · US Expired

Brushless motor

US5128574A · kind A · utility

57Cited by
11References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1990
Grant dateJul 7, 1992
Priority date
Expiry dateApr 5, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K5/1735
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A brushless motor whose stator keeps hold of coils and is made of either magnetic-power-blended resin by molding techniques, or magnetic powder by sintering techniques.

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