Patent · US Expired

Integral heat sink and fan rectifier assembly

US5998893A · kind A · utility

8Cited by
18References
7Claims
0Family size

Inventors

Key dates

Filing dateDec 3, 1998
Grant dateDec 7, 1999
Priority date
Expiry dateDec 3, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K9/06
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An integral heat sink and fan rectifier assembly comprises a disk fastened to a rotor of a synchronous motor or generator, the disk having a central bore, a plurality of fan blades disposed on the outer periphery and a circular array of recesses that receive insulation encapsulated rectifier units that are fastened to the disk and a have a heat transfer plates that engage the bottom of the recesses to transfer heat to the disk which conducts the transferred heat to the fan blades, which transfer the heat to the cooling air as rotor rotates and blows cooling air through a portion of the motor or generator.

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