{
  "$type": "site.standard.document",
  "description": "A work vehicle control device includes: a rotation speed control unit that controls a rotation speed of an engine in correspondence to an accelerator pedal operation quantity indicating an extent to which an accelerator pedal is operated; a speed ratio detection unit that detects a speed ratio of a…",
  "path": "/patents/1003093",
  "publishedAt": "2012-04-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K35/28",
    "HITACHI CONSTRUCTION MACHINERY [JP]"
  ],
  "textContent": "A work vehicle control device includes: a rotation speed control unit that controls a rotation speed of an engine in correspondence to an accelerator pedal operation quantity indicating an extent to which an accelerator pedal is operated; a speed ratio detection unit that detects a speed ratio of a speed at an input shaft and a speed at an output shaft of a torque converter, which is disposed between the engine and wheels to transmit rotation of the engine to the wheels; a decision-making unit that makes a decision that a fuel efficiency deteriorating condition exists if the torque converter speed ratio detected via the speed ratio detection unit is less than a predetermined value or if the torque converter speed ratio detected via the speed ratio detection unit is equal to or greater than the predetermined value and a target engine rotation speed corresponding to an operation of the accelerator pedal is greater than a preset value; and an informing unit that informs results of the decision made by the decision-making unit.",
  "title": "INDUSTRIAL VEHICLE CONTROL DEVICE"
}