Patent ID: 9482305
Filing Date: 2016-11-01
CPC Classification: F16F

Claim Text:
1. A dynamic damper device comprising: a rotating shaft that is coupled with an output shaft of a drive system of a vehicle via a drive gear and a driven gear and that is rotated integrally with the output shaft; a planetary gear mechanism including a plurality of differentially rotatable rotating elements and rotation centers of the rotating elements are disposed coaxially with a rotation center of the rotating shaft; an elastic member that couples the rotating shaft with a first rotating element of the planetary gear mechanism and a rotation center of the elastic member is disposed coaxially with the rotation center of the rotation shaft; a rotation control device that is coupled with a second rotating element different from the first rotating element of the planetary gear mechanism, controls a rotation of the planetary gear mechanism by adjusting torque acting on the first rotating element, and a rotation center of the rotation control device is disposed coaxially with the rotation center of the rotating shaft; and a controller, that controls the rotation control device to execute vibration damping control, wherein the rotation control device includes a speed control device that is coupled with the second rotating element different from the first rotating element of the planetary gear mechanism and controls a rotation speed of the second rotating element, and a torque control device that is coupled with a third rotating element different from the first rotating element and the second rotating element of the planetary gear mechanism and controls torque acting on the third rotating element, and the controller executes the vibration damping control by speed control by the speed control device and torque control by the torque control device.