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Design of Permanent Magnet Type Compact ECB Retarder
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English
Abstract
According to the recent trend of high speed and heavy load in truck & bus services, supplemental brake systems are highly desired to obtain safety, easy operation, and economical advantages such as longer lining life. To meet such requirements, a compact eddy current brake system (ECB retarder) using powerful permanent Nd-Fe-B magnets has been designed, manufactured, and supplied to market.
This paper reports the basic idea, construction design, and material selection of new ECB retarders. Using the derivation from Maxwell equations, the retardation force was obtained, and the design was made based on the obtained principle.
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Citation
Sakamoto, H., Araki, K., Ishida, A., Kobayashi, S. et al., "Design of Permanent Magnet Type Compact ECB Retarder," SAE Technical Paper 973228, 1997, https://doi.org/10.4271/973228.Also In
References
- Motor vehicle ‘Result and Economics of Eddy Current Type Retarder’ 34 7 1984 46
- Pittius, R. VDI Berichte 1989 167
- Motor Vehicle ‘Isuzu Permanent Magnet Type Compact Retarder’ 41 2 1991 56
- Automotive Engineering ‘Isuzu-Sumitomo Metals Permanent Magnet Retarder for High-Performance Heavy Commercial Vehicles’ Feb. 1991 58
- Kuwahara, T. Araki, K. New Concept of Brake for Heavy Duty Vehicle 13 th International Technical Conference on Experimental Safety Vehicles, Paper '91-S10-0-07 1991
- Kubomiya, T. Kuwahara, T. Araki, K. ‘Permanent Magnetic Retarder in Commercial Vehicles’ 1992 SAE Truck & Bus Meeting & Exposition Nov. 1992