GM and U Mich receive patent on plug-in series hybrid/extended range electric vehicle powertrain using multiple free piston linear alternator engines
Green Car Congress
NOVEMBER 25, 2012
The GM/U Mich patent envisages using multiple free-piston engines (240A through 240D in the patent drawing). The covered hybrid powertrain uses the multiple reciprocating free-piston linear alternator engines to generate electric power for the battery pack or the traction motor. Click to enlarge. Patent Drawing of an FPLA.
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