Surface Magnet Gears with a New Magnet Arrangement and Optimal Shape of Stationary Pole Pieces

DOI: 10.4236/jemaa.2013.56039   PDF   HTML     4,876 Downloads   7,515 Views   Citations

Abstract

In mechanical gear systems, dust, noise, vibration, and tooth wear are generated by frictions among gear teeth, and suppressing friction requires lubrication. Magnetic gears transmit torque by magnetic forces without contact and so avoid contact-related problems. The present paper discusses magnet arrangements and the shape of stationary gear teeth to improve transmission torque in surface magnet type magnetic gear transmission mechanisms.

Share and Cite:

T. Fujita, Y. Ando, K. Nagaya, M. Oka, T. Todaka, M. Enokizono and K. Sugiura, "Surface Magnet Gears with a New Magnet Arrangement and Optimal Shape of Stationary Pole Pieces," Journal of Electromagnetic Analysis and Applications, Vol. 5 No. 6, 2013, pp. 243-249. doi: 10.4236/jemaa.2013.56039.

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1] K. Atallah and D. Howe, “A novel High-Performance Magnetic Gear,” IEEE Transactions on Magnetics, Vol. 37, No. 4, 2001, pp. 2844-2846. doi:10.1109/20.951324
[2] K. Atallah, S. D. Calverley and D. Howe, “Design Analysis and Realization of a High-Performance Magnetic Gear,” IEEE Proceedings of Electric Power Applications, Vol. 151, No. 2, 2004, pp. 135-143. doi:10.1049/ip-epa:20040224
[3] K. T. Chang, D. Zhang, J. Z. Jiang, C. H. Liu and Y. J. Zhang, “Design of a Magnetic-Geard Outer-Rotor Permanent-Magnet Brushless Motor for Electric Vehicles,” IEEE Transactions on Magnetics, Vol. 43, No. 6, 2007, pp. 2504-2506. doi:10.1109/TMAG.2007.893714
[4] L. N. Jian, K. T. Chau, Y. Cong, J. Z. Jiang, C. Yu and W. L. Li, “Comparison of Coaxial Magnetic Gears with Different Topologies,” IEEE Transactions on Magnetics, Vol. 45, No. 10, 2009, pp. 4526-4529.
[5] T. Ikeda, K. Nakamura and W. Ichinokura, “A Way to Improve Efficiency of Permanent-Magnet Magnetic Gears,” Journal of the Magnetic Society of Japan, Vol. 33, No. 2 2009, pp. 130-134. doi:10.3379/msjmag.0901RG8016
[6] M. Muramatsu, M. Yamamoto and K. Hirata, “Study on a Hybrid Magnetic Gear,” 20th Symposium on Electromagnetics and Dynamics, 2008, pp. 77-80.
[7] M. Yamamoto, K. Hirata and M. Muramatsu, “Study of a New Magnetic Gear,” Transaction of Japan Society of Applied Electromagnetics and Mechanics (AEM), Vol. 17, No. 2, 2009, pp. 188-193.
[8] P. O. Rasmussen, T. O. Andersen, F. T. Jorgensen and O. Nielsen, “Development of a High-Performance Magnetic Gear,” IEEE Transactions on Industry Applications, Vol. 41, No. 3, 2005, pp. 764-770. doi:10.1109/TIA.2005.847319
[9] Hitachi, Neomax Engineering, “Development of High Torque Gear (Beat-Max).” http://www.hitachi-metals.co.jp/press/news/2011/n0721.htm
[10] T. Fujita, Y. Ando, K. Nagaya, M. Enokizono, T. Todaka and K. Sugiura, “Evaluation Test on Prototype Surface Magnetic Gears with Magnetic Flux Concentration and Normal Magnet Arrangement for Practical Use,” Proceedings of Symposium on Electromagnetics and Dynamics, Nagoya, 2011, pp. 86-91.
[11] K. Halbach, “Design of Permanent Multipole Magnets with Oriented Rare Earth Cobalt Materials,” Nuclear Instruments Methods, Vol. 169, No. 1, 1980, pp. 1-10. doi:10.1016/0029-554X(80)90094-4

  
comments powered by Disqus

Copyright © 2020 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.