Radial Differential Magnetic Harmonic Gear

Yuki OHNO; Noboru NIGUCHI; Katsuhiro HIRATA; Eiki MORIMOTO

doi:10.14243/jsaem.23.23

Journal of the Japan Society of Applied Electromagnetics and Mechanics

Online ISSN : 2187-9257
Print ISSN : 0919-4452
ISSN-L : 0919-4452

Special Issue on the 26th Symposium on Electromagnetics and Dynamics

Radial Differential Magnetic Harmonic Gear

Yuki OHNO, Noboru NIGUCHI, Katsuhiro HIRATA, Eiki MORIMOTO

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Keywords: magnetic paradox planetary gear, magnetic harmonic gear, differential magnetic harmonic gear

JOURNAL FREE ACCESS

2015 Volume 23 Issue 1 Pages 23-28

DOI https://doi.org/10.14243/jsaem.23.23

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Abstract

We propose a novel magnetic gear with a high torque density and a huge gear ratio despite the small number of magnet poles. This magnetic gear combines a magnetic flux harmonics gear with a magnetic paradox planetary gear by replacing all planetary gears with steel pole pieces. Its structure and operating principle are described, and the effectiveness of the proposed gear is verified by 3-D finite element analysis.

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