BMW’s hybrid motor design seeks to deliver high efficiency and power density with lower rare earth use
Green Car Congress
AUGUST 13, 2013
Drawing from a 2012 BMW patent application showing one embodiment of a proposed method to increase the efficiency of an electric motor. Source: BMW patent application Nº 2012/0267977. DC, AC induction, permanent magnet, switched reluctance, and axial flux. Click to enlarge.
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