Patent · US Expired

Wedge shaped permanent magnet rotor assembly with magnet cushions

US4302693A · kind A · utility

32Cited by
5References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 1978
Grant dateNov 24, 1981
Priority date
Expiry dateDec 26, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K1/278
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A rotor having wedge-shaped permanent magnets and cushions between the magnets and their support members.

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