To provide a motive power device capable of enhancing drivability by easily and accurately controlling the rotation of left and right parts to be driven.
In the motive power device 1, a first rotating machine 11 is rotatably constituted while a first rotation magnetic field and second and first rotors 15, 14 maintain a collinear relationship of te rotation speed, and a second rotating machine 21 is rotatably constituted while a second rotation magnetic field and fourth and third rotors 25, 24 retain a collinear relationship of the rotation speed. First to third elements R1, C1, S1 of a first differential device PS1 are rotated while retaining the collinear relationship of the rotation speed. The second rotor 15 and the first element R1 are connected to a left part WFL to be driven, and the second element C1 and the first and third rotors 14, 24 are connected to an output part 3a of a motor 3. The fourth rotor 25 and the third element S1 are connected to a right part WFR to be driven, and the fifth rotor 33 is connected to the output part 3a of the motor 3 respectively. The first and third rotating machines 11, 31 are connected to each other, and the second and third rotating machines 21, 31 are connected to each other.
OKADA YOSHIO
AKUTSU SHIGEMITSU
