Patent · US Expired

Sleeve supported two pole rotor assembly

US4139789A · kind A · utility

14Cited by
5References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 23, 1977
Grant dateFeb 13, 1979
Priority date
Expiry dateMay 23, 1997

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K3/527
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A rotary electrical machine includes a two pole rotor carrying a winding. The rotor is contained within a thin sleeve of non-magnetic material which supports the rotor within bearings in the machine.

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