What is it about?
By online magnetizing and demagnetizing permanent magnet material, a novel magnetic variable gear with 16 sets of gear ratios has been developed for hybrid vehicles so as to fulfill different driving requirements and road conditions. Consequently, it is extended to electronic-continuously variable transmission for hybrid propulsion.
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Why is it important?
The proposed magnetic variable gear can readily replace the existing mechanical variable gear, which can fundamentally solve the long-term problems of bulky size, heavy weight and high transmission loss associated with the mechanical variable gear.
Perspectives
I hope this article can stimulate more researchers working on magnetic gears.
Professor Kwok Tong Chau
University of Hong Kong
Read the Original
This page is a summary of: Design of a new non-rare-earth magnetic variable gear for hybrid vehicular propulsion system, IET Electrical Systems in Transportation, September 2016, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-est.2015.0034.
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