Patent · US Expired

Rotating machine with cooled hollow rotor bars

US6879069B1 · kind B1 · utility

18Cited by
15References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 2000
Grant dateApr 12, 2005
Priority date
Expiry dateSep 6, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49012
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A rotating machine including a rotating shaft: a plurality of conductive rotor bars spaced from the rotating shaft and fixed to the rotating shaft through at least one intermediate member, where at least one of the plurality of conductive rotor bars have at least one first internal conduit; and a circulator for establishing a coolant circulation through the first internal conduit.

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