THREE-DIMENSIONAL AXIAL GAP TYPE ROTATING ELECTRIC MACHINE
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United States of America Patent
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Jan 22, 2015
filing date -
Jan 28, 2014
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Abstract
An axial gap type rotating electric machine including a stator that includes m salient poles that protrude from a discoid magnetic material in a rotating shaft direction and are arranged in a circumferential direction. A winding wire is wound around an outer periphery of each of the salient poles. The rotor includes n permanent magnet poles and n rotor magnetic materials that are alternately arranged in the circumferential direction. The permanent magnet poles each include a magnet pole piece and a permanent magnet that are fixedly attached to each other and arranged in an axial direction, the magnet pole piece being made of a magnetic material. A plurality of teeth are formed in a concentric arc-like manner in an opposing part between: the magnet pole pieces and the rotor magnetic materials; and the stator so as to engage with each other with the intermediation of the air gap.
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