The authors have been studying the magnetic harmonic gear with the stackable structure. In this paper, we propose a new magnetic harmonic gear which has the stackable structure. This new magnetic gear is expected that a torque characteristics are improved. The maximum transmission torque is calculated by simulation. The torque characteristics of a proposed magnetic gear are compared with that of the past magnetic gear. As the result, the maximum transmission torque of a proposed type is improved approximately 5.96 times and the torque density is improved about 3.82 times.
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