Rotor cooling structure
US5283488A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1993 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Feb 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.