Patent ID: 6734585
Filing Date: 2004-05-11
Classification: H02K,Y10T

Abstract:
A multi-pole high speed generator comprising a stator and a rotor, comprising:a shaft having an axial bore with at least one orifice at each of a first and second end thereof; a rotor assembly mounted on the shaft, the rotor assembly including a rotor having a plurality of poles and at least one support wedge positioned between each of the poles, cash of the at least one support wedge having at least one supply port in each end open to at least one axial channel in the at least one support wedge; and an end cap mounted on the rotor at opposite ends thereof, each of the end caps having means for restraining the at least one support wedge from radially outward movement and means extending from the at least one orifice at each of the first and second ends of the shaft for circulating a cooling medium between the shaft and the at least one support wedge to cool the rotor assembly during operation of the multi-pole high speed generator.