Patent ID: 6078121
Filing Date: 2000-06-20
Classification: H02K,Y10T

Abstract:
A rotor assembly for a rotating machine, comprising:a substantially cylindrical main rotor body having an outer surface;a plurality of longitudinal ribs projecting from the outer surface of the main rotor body;a plurality of primary recesses defined by adjacent ribs;a secondary recess defined in the outer surface within at least one primary recess;a magnet positioned within at least one primary recess; anda layer of adhesive between the magnet and the secondary recess;wherein the rotor assembly further includes an encapsulation layer positioned about the main rotor body and the magnet; andwherein the rotor assembly includes an undercut formed in each rib near a longitudinal midpoint thereof, and a longitudinal bore through each rib; the encapsulation layer substantially filling at least one of the undercuts and longitudinal bores.