An internal combustion engine having a plurality of radially arranged with respect to a central axis of the working cylinder, wherein each working cylinder radially outwards to an associated crankshaft and the crankshafts of all the working cylinder for common rotation are connected to one another, and of the motor by means of a central shaft, which for common rotation with the individual crankshafts is connected, characterized in that about the central shaft of the rotor of an electric motor which is arranged within the working cylinder is mounted.
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