Patent · US Expired

Stator cooling

US6069424A · kind A · utility

45Cited by
28References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 1997
Grant dateMay 30, 2000
Priority date
Expiry dateNov 13, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention is an energy storage apparatus having a rotor and a stator. The stator includes a bobbin having a cylindrical shape and open at each end. The bobbin includes at least one fin extending longitudinally on an exterior surface of the bobbin. The bobbin also includes a phase winding longitudinally and circumferentially encircling said bobbin. The winding is separated by at least one fin. The bobbin also includes at least one cooling passage for transporting a cooling medium.

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