US Patent:
20030132673, Jul 17, 2003
Inventors:
Shijian Zhou - Carmel IN, US
Andrew Hsu - Fishers IN, US
Yanhu Guo - Indianapolis IN, US
Linda Ludek Brouns - Mc Cordsville IN, US
John Morgante - Noblesville IN, US
International Classification:
H02K009/00
H02K009/20
Abstract:
A method and apparatus for cooling an electric motor including an electric motor having a stator, a rotor magnetically coupled to the stator, and a hollow motor shaft coupled to the rotor, rotating the rotor and the motor shaft, and generating a centrifugal force to force a liquid coolant through the hollow motor shaft.