Patent · US Expired

Dynamoelectric machine with diamagnetic flux shield

US4908347A · kind A · utility

44Cited by
13References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 7, 1988
Grant dateMar 13, 1990
Priority date
Expiry dateJul 7, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S505/878
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An AC electrical machine which includes a superconducting, diamagentic flux shield cylinder enclosing the stator windings such that the magnetic flux produced by the machine's rotor is bottled within the flux shield.

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