Design, analysis and realisation of a high-performance magnetic gear

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Design, analysis and realisation of a high-performance magnetic gear

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Magnetic gears offer significant potential advantages compared with mechanical gears, such as reduced maintenance and improved reliability, inherent overload protection, and physical isolation between the input and output shafts. However, to date they have received relatively little attention, probably due to the relatively poor torque transmission capability of the magnetic circuit topologies which have been proposed. A new magnetic gear topology which combines a highly competitive torque transmission capability and a very high efficiency is described.

Inspec keywords: gears; machine protection; magnetic circuits; permanent magnet machines; design engineering; torque

Other keywords: reliability; physical isolation; magnetic circuit topology; magnetic gear; maintenance; inherent overload protection; torque transmission capability; shaft; mechanical gear

Subjects: Project and design engineering; d.c. machines; Magnetic material applications and devices; a.c. machines

References

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      • D.E. Hesmondhalgh , D. Tipping . A multielement magnetic gear. IEE Proc. Elect. Power Appl. , 129 - 138
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      • Ikuta, K., Makita, S., Arimoto, S.: `Non-contact magnetic gear for transmission mechanism', Proc. IEEE Conf. on Micro electro mechanical systems, MEMS’91, 1991, Nara, Japan, p. 125–130.
    3. 3)
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      • Z.Q. Zhu , D. Howe . Influence of design parameters on cogging torque in permanent magnet machines. IEEE Trans. Magn. , 5 , 407 - 412
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      • K. Tsurumoto , S. Kikushi . A new magnetic gear using permanent magnet. IEEE Trans. Magn. , 5 , 3622 - 3624
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