Patent ID: 7859124

Claim:
An internal combustion engine comprising: a combustion chamber having a spark plug arranged thereat; a crankcase supporting a crankshaft; intake means for introducing fuel and combustion air into the combustion chamber; an exhaust for exhausting combustion gases from the combustion chamber; a piston connected to the crankshaft and driving the crankshaft in rotation; a wheel member connected to the crankshaft and rotating with the crankshaft; an alternator driven by the crankshaft and supplying electric power to a consumer; wherein the alternator is arranged within a radial boundary of the wheel member and external to the crankcase; wherein the alternator has a stator and a rotor, wherein the crankshaft penetrates the stator and wherein the rotor is fixedly connected to the wheel member; wherein the rotor is a magnet ring covering the stator; wherein the stator is arranged essentially within an outer contour of the wheel member and wherein the magnet ring comprises magnets arranged in receiving recesses.