{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreiadd4yauab4f4fasxk6vahp7nuteqpke55e357zqrdmwvrdysypli"
    },
    "mimeType": "image/png",
    "size": 83154
  },
  "description": "A work vehicle including a front work device, contains: a variable displacement hydraulic pump (11) that is driven by an engine (190) and supplies pressure oil to an actuator that drives the front work device; an exhaust gas purification device that purifies nitrogen oxide in exhaust gas discharged…",
  "path": "/patents/951302",
  "publishedAt": "2015-04-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "E02F3/283",
    "HITACHI CONSTRUCTION MACHINERY [JP]"
  ],
  "textContent": "A work vehicle including a front work device, contains: a variable displacement hydraulic pump (11) that is driven by an engine (190) and supplies pressure oil to an actuator that drives the front work device; an exhaust gas purification device that purifies nitrogen oxide in exhaust gas discharged from the engine using a reducing agent solution stored in a reducing agent tank; a remaining amount detection device (10a) that detects a remaining amount of the reducing agent solution in the reducing agent tank; and a control unit that decreases output torque of the engine and also decreases a rotational speed of the engine in a rated point according to decrease of the remaining amount of the reducing agent solution detected by the remaining amount detection device (10a).",
  "title": "Work vehicle"
}