POWER GENERATOR CONSTITUTED WITH SUPERPOSITION

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PROBLEM TO BE SOLVED : To allow a power generator which does not use rare earth with strong magnetic force generally used now, but use other magnets of domestic iron oxide or the like for a magnetic pole thereof to efficiently extract electrical energy, even with low revolution, from energy with relatively low density which is renewable and largely distributed natural energy such as small hydraulic power especially flow water, wind power and ocean wave energy. SOLUTION : A power generator is configured by superposing a plurality of power units each consisting of a rotor which is developed to a plane and in which a plurality of magnetic poles are arranged on the circumference of a circular disc, and a stator which is developed to a plane and in which coils corresponding to the magnetic poles are arranged on a rotation shaft. With this configuration, the numbers of magnetic poles and coils are rapidly increased, thereby desired electrical energy can be extracted even with low revolution. COPYRIGHT : (C)2014, JPO&INPIT