Patent · US Expired

Soft magnet for a rotor

US5821650A · kind A · utility

5Cited by
25References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 1996
Grant dateOct 13, 1998
Priority date
Expiry dateMay 2, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/212
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The present invention is an a rotor. The rotor includes a rim portion, divided into a first rim section and a second rim section. The first rim section includes a soft magnet positioned on it. The second rim section includes a mass positioned on it with similar density to the magnet to generate equivalent centrifugal forces along a spin axis. A carbon fiber overwrap encloses the rim.

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