B60K 6/28

Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines {; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive [CPC: F16H3/72]; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine [CPC: H02K7/00]; machines comprising structurally interrelated motor and generator parts [CPC: H02K51/00]; dynamo-electric machines not otherwise provided for in [CPC: H02K] see [CPC: H02K99/00]} the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors