{
  "$type": "site.standard.document",
  "description": "A dynamic damper device (1) includes a variable inertial mass device (20) that variably controls inertial mass of a damper mass (21), an elastic body (31) that connects a rotary shaft (10) rotated by power transmitted thereto and an input member (21C) of the variable inertial mass device (20), and…",
  "path": "/patents/984491",
  "publishedAt": "2013-08-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K6/485",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A dynamic damper device (1) includes a variable inertial mass device (20) that variably controls inertial mass of a damper mass (21), an elastic body (31) that connects a rotary shaft (10) rotated by power transmitted thereto and an input member (21C) of the variable inertial mass device (20), and a variable damping force device (40) that variably controls a damping force to the elastic body (31). Accordingly, the dynamic damper devices (1) have the advantageous effect that vibrations can be appropriately reduced.",
  "title": "DYNAMIC DAMPER DEVICE"
}