Patent ID: 8715022

Claim:
A marine vessel transmission comprising: an input drive shaft extends along an input drive shaft axis; an output drive shaft has a gear reduction from the input drive shaft; a housing at least partially surrounds the input drive shaft and the output drive shaft; a secondary output drive shaft has a torque introduction journal protruding from the housing; a secondary output gearwheel is arranged on the secondary output drive in a torque path behind the input drive shaft; and an electric generator has a rotor interlocked with the torque introduction journal, wherein the rotor connects to the secondary output drive shaft at a junction, wherein the secondary output drive shaft has an oil duct through which oil passes from inside the housing into the junction, wherein the rotor surrounds the pin-end of the secondary output drive shaft in such a way that oil escaping from the pin-end is conducted between the rotor and the secondary output drive shaft away from the pin-end in a direction towards the housing.