Patent · US Expired

Rotor cooling structure

US5283488A · kind A · utility

33Cited by
11References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 22, 1993
Grant dateFeb 1, 1994
Priority date
Expiry dateFeb 22, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K9/225
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A rotor structure for an electrical generator, motor or the like is described which comprises a rotatable generally cylindrically shaped heat pipe defining an internal vapor chamber having an evaporator end and a condenser end, a plurality of radial fins regularly spaced on the periphery of the heat pipe, each fin defining an internal chamber communicating with and extending radially from the vapor chamber, a vaporizable liquid disposed within said heat pipe, and a heat exchanger in thermal contact with the condenser end of the heat pipe.

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