US Patent 10391849 Vehicle drive device

A vehicle drive device that includes a rotating electrical machine that together with an internal combustion engine serves as a driving force source for wheels, a speed change device disposed next to the rotating electrical machine in an axial direction, or a direction in which a rotation axis of the rotating electrical machine extends, a drive device case formed by joining a first case accommodating the rotating electrical machine and a second case accommodating the speed change device, and a rotating electrical machine control device that controls the rotating electrical machine and that is fixed to outside of one of the first case and the second case.