{
  "$type": "site.standard.document",
  "description": "According to a method and an apparatus (14) of the present invention for diagnosing a fault of an engine (16), a cranking rotation state is created by rotating a crank shaft (24) while explosions in each cylinder (22) are stopped; a variation (”É) of angular velocity of the crank shaft (24) is…",
  "path": "/patents/979221",
  "publishedAt": "2014-01-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/123",
    "HONDA MOTOR CO LTD [JP]"
  ],
  "textContent": "According to a method and an apparatus (14) of the present invention for diagnosing a fault of an engine (16), a cranking rotation state is created by rotating a crank shaft (24) while explosions in each cylinder (22) are stopped; a variation (Ӄ) of angular velocity of the crank shaft (24) is detected for each cylinder (22) in the cranking rotation state; a cylinder the compression pressure of which is insufficient is detected based on the variation (Ӄ); and if a cylinder indicated as a misfiring cylinder by a fault code is the same as the cylinder detected as being insufficient in compression pressure in the cranking rotation state, the cylinder is specified.",
  "title": "METHOD AND APPARATUS FOR DIAGNOSING ENGINE FAULT"
}