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公开(公告)号：US20180159417A1
公开(公告)日：2018-06-07
申请号：US15834784
申请日：2017-12-07
申请人： NABTESCO CORPRATION
CPC分类号： H02K49/046 , H02K1/2793 , H02K7/11 , H02K7/1807 , H02K7/1846 , H02K16/02 , H02K17/02 , H02K17/42 , H02K21/24 , H02K49/10
摘要： Provided is a rotary electric machine including: a permanent magnet rotatable around a first rotational shaft and disposed at a distance from a main surface of a moving body rotating or moving, at least a part of a side surface of the permanent magnet continuous to an outer peripheral surface thereof being opposed to the main surface of the moving body, wherein the permanent magnet is rotated around the first rotational shaft by a reaction force acting on the permanent magnet, the reaction force being caused by eddy currents produced in the main surface of the moving body in such a direction as to hinder a change of magnetic flux from the permanent magnet, and a surface speed of the side surface of the permanent magnet opposed to the moving body is lower than a surface speed of the main surface of the moving body opposed thereto.
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公开(公告)号：US20180159414A1
公开(公告)日：2018-06-07
申请号：US15834663
申请日：2017-12-07
申请人： NABTESCO CORPRATION
IPC分类号： H02K35/02
摘要： A non-contact power generator includes: a magnet disposed at a distance to a main surface of a moving body that moves in one direction and the opposite direction, and the magnet generating a magnetic flux passing the main surface; a coil being separated from a surface of the magnet that faces away from the main surface, the coil being linked with the magnetic flux from the magnet; and a magnetic flux guide member disposed in a part of a magnetic path of the magnetic flux linked with the coil. The magnet is moved along the shaft in the moving direction of the moving body at a speed lower than the speed of the moving body by a reaction force acting on the magnet on a basis of eddy currents generated in the main surface in such a direction as to hinder a change of the magnetic flux from the magnet.
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