Powder magnets could be next big draw

Greatly improved power transmission in automotive applications is now on the horizon

A former French naval engineer has latched on to the latest developments in powder metallurgy produced magnets to come up with a magnetic clutch that could open the way to a novel automotive kinetic energy storage system.

Engineering consultant Jacques Clausin says the scheme is an adaptation of very large active shock absorbers he came up with to remove vibrations generated by the propeller of nuclear submarines.

The clutch uses a new ferromagnetic material - a slightly conductive of electricity iron powder agglomerate – Somaloy. Made by the Swedish company Höganäs, this is a soft magnetic composite powder material with low eddy current losses at high frequencies, allowing magnetic circuits to be made smaller and lighter.

Tom Shelley

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