Patent ID: 7662003

Claim:
A propulsion and/or electrical current generation device in a marine craft, interposed between an engine block comprising a drive shaft that is mounted on a first bearing adjacent to said engine block and a reducing gear/reversing gear block comprising a driven shaft that is mounted on a second bearing adjacent to said gear block, said generation device comprises a housing that is connected to a standard shroud that is integral with the engine block, a stator that is integral with said housing, a flywheel on said drive shaft, and a rotor that is connected to the drive shaft, said rotor being mounted on a third bearing arranged on a bearing seat in said housing between said flywheel and said rotor, wherein the rotor comprises a hub with a hollow shaft and a disk, said disk bearing magnetic parts, wherein the rotor is connected to the drive shaft by a linkage part, wherein the linkage part comprises a disk that is designed to be connected to said flywheel, said flywheel being integral with the drive shaft, and a solid axle designed to externally accommodate the hollow shaft of the rotor, a key ensuring rotational linkage of said solid axle and said hollow shaft.