An internal combustion engine (E) includes a crankshaft (5), and a bearing cap (8) supporting the crankshaft (5) for rotation. Permanent magnets (20) serving as magnetic field creating members are attached to the balance weights (Wla to W6a) formed integra...

A drive device having an engine, a plurality of motors, and a plurality of coaxial differential mechanisms, wherein the rotating output shafts of the plurality of motors are disposed in parallel with and opposedly to the rotating output shafts of the engin...

The rotor (60) of an electric motor located between a gearbox shaft (2) and crankshaft (1) is secured in rotation to the motor shaft (21) by longitudinal grooves in the hub (61) and shaft and longitudinally by washers (8a) in a shaft throat on one side and...