Patent · US Expired

Method of making a wedge-shaped permanent magnet rotor assembly

US4339874A · kind A · utility

81Cited by
12References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1980
Grant dateJul 20, 1982
Priority date
Expiry dateMar 10, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49012
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A rotor assembly having self-locking wedge-shaped permanent magnets.

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