Patent ID: 6445105
Filing Date: 2002-09-03
Classification: H02K

Abstract:
An axial flux machine comprising:a rotatable shaft; at least one rotor disk coupled to the rotatable shaft; at least one permanent magnet supported by the at least one rotor disk; at least one stator extension positioned in parallel with the at least one rotor disk; at least two molded iron pole elements attached to the at least one stator extension and facing the at least one permanent magnet, each of the at least two molded iron pole elements comprising a base portion and a shield portion, the shield portions of the at least two molded iron pole elements each shaped with a first shield section of the shield portion being thicker than a second shield section to provide an uneven air gap between the at least two molded iron pole elements and at least one permanent magnet, and each of the shield portions of the at least two molded iron pole elements including at least one notch with the first and second shield sections being situated on opposite sides of the at least one notch at least two electrical coils, each wrapped around a base portion of a respective one the at least two molded iron pole elements, the respective shield portion of the respective one of the at least two molded iron pole elements extending over at least a part of the respective one of the at least two electrical coils.