| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a magnetic gear device capable of suppressing an eddy current loss which occurs during torque transmission and improving torque transmission efficiency. <P>SOLUTION: A magnetic gear device comprises: an input-side magnetic gear 2 in which a plurality of magnets 24 are arranged in a circumferential direction on a magnetic force generating surface provided to face a radial outside of an iron core 25 provided around a shaft line of an input rotary shaft 1; an output-side magnetic gear 3 in which the input-side magnetic gear 2 is coaxially provided in such a manner as to be surrounded and a plurality of magnets are arranged in the circumferential direction on a magnetic force generating surface of an ion core 33 facing a magnetic force generating surface of the input-side magnetic gear 2; magnetic route members 4 of electromagnetic steel fixed in the circumferential direction between the magnetic force generating surfaces which the input-side magnetic gear and the output-side magnetic gear 3 face so that they intervene between magnetic poles of the input-side magnetic gear 2 and the output-side magnetic gear 3; a non-magnetic material structure part 22 coaxially provided on axial center sides of the plurality of magnets 24 of the input-side magnetic gear 2; and a non-magnetic material structure part 31 coaxially provided on radial outside of a plurality of magnets of the output-side magnetic gear 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
