Electric drive concepts for the cars of the future

Fonte: www.fraunhofer.de

The prospects look good that wheel hub motors will successfully become the accepted drive concept for electric vehicles. Fraunhofer researchers are engineering these motors, which are integrated into the car’s wheels. Scientists are testing these and several other components on the »Frecc0«, their demonstration vehicle. Working jointly in a multidisciplinary cooperation of 33 Fraunhofer institutes, they are paving the way for future technologies in all areas of electromobility. The »Fraunhofer System Research for Electromobility« makes its debut appearance at this year’s Hannover Messe (April 19 – 23, Hall 2, Booth D22).

The Fraunhofer wheel hub motor on the "Frecc0" demo vehicle.

The Fraunhofer wheel hub motor on the "Frecc0" demo vehicle.

In order to make electric cars a part of everyday life, new vehicle designs and parts are needed. Take wheel hub motors, for instance. One of the advantages of wheel hub motors is that manufacturers can dispense with the conventional engine bay – the space under the »hood« or »bonnet« – since the motors are attached directly to the wheels of the vehicle. This opens up a wealth of opportunities for car designers when drafting the layout of the vehicle. Additional advantages: By dispensing with the transmission and differential, the mechanical transmission elements suffer no losses or wear and tear. Moreover, the direct drive on each individual wheel may improve the drive dynamic and drive safety.

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