Patent ID: 6735846
Filing Date: 2004-05-18
Classification: H02K,Y10T

Abstract:
A method for forming an electric motor, said method comprising the steps of:providing a stator; winding a plurality of magnet wires in slots in a lamination stack of armature; and molding a thermally conductive plastic over at least a portion of said armature to at least partially encase said magnet wires and to mold a fan at one end of said armature without any portion of the fan extending into the slots in the lamination stack to increase the volume in the slots in which magnet wires can be wound, and winding the magnet wires in the slots includes winding them in the slots in the lamination stack including in the increased volume in the slots made available by molding the fan so that no portion of it extends into the slots thereby increasing a power rating of the electric motor beyond what is normally attainable with a fan having portions extending into the slots in the lamination stack.