Magnetic power transmission system

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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Details

F16H 49/00 (2006.01) F16H 48/12 (2006.01)

Patent

CA 2659837

To provide a magnetic power transmission system which is capable of improving the power transmitting efficiency and the power transmitting capacity while maintaining the advantageous effects obtained by performing power transmission by magnetic forces, and reducing manufacturing costs of the system. A magnetic power transmission system 1 is comprised of an outer rotor 11 including a plurality of circumferentially arranged left and right permanent magnets 11c, an inner rotor 12 including a plurality of circumferentially arranged left and right permanent magnets 12c, and an intermediate rotor 13 including a plurality of circumferentially arranged left and right soft magnetic material elements 13d, 13e. When each of the left and right permanent magnets 11c and 11c and each permanent magnet 12c are in an opposed position opposed to each other, if the magnetic pole of the left permanent magnet 11c and the magnetic pole at the left-side end of the permanent magnet 12c have polarities different from each other, the magnetic pole of the right permanent magnet 11c and the magnetic pole at the right-side end of the permanent magnet 12c have the same polarity. Further, when one of the soft magnetic material elements 13d and 13e is between permanent magnets 11c and 12c, the other is between two permanent magnets 11c and 12c adjacent to each other.

La présente invention concerne un dispositif de transmission de puissance magnétique capable d'améliorer l'efficacité de la transmission de puissance et la capacité de la transmission tout en conservant les avantages obtenus à l'aide de la transmission de puissance par une force magnétique et en réduisant le coût de fabrication. Le dispositif de transmission de puissance magnétique (1) comprend : un rotor externe (11) ayant une pluralité d'aimants permanents gauche et droit (11c) disposés dans la direction circonférentielle ; un rotor interne (12) ayant une pluralité d'aimants permanents (12c) disposés dans la direction circonférentielle ; et un rotor intermédiaire (13) ayant une pluralité de corps magnétiques mous gauche et droit (13d, 13e) disposés dans la direction circonférentielle. Lorsque les aimants permanents gauche et droit (11c) sont positionnés pour faire face aux aimants permanents (12c), si l'aimant permanent gauche (11c) a une polarité différente de celle du côté gauche de l'aimant permanent (12c), l'aimant permanent droit (11c) a une polarité identique à celle du côté droit de l'aimant permanent (12c) ; et si un des corps magnétiques mous (13d, 13e) est positionné entre les aimants permanents (11c, 12c), l'autre est positionné entre les deux aimants permanents (11c, 12c) adjacents.

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