{
  "$type": "site.standard.document",
  "description": "An engine combustion device control system is disclosed, wherein, as a flywheel 10 rotates, a detection sensor 70 detects indexes 20a formed on an inner surface of the flywheel 10 to accurately measure the number of engine revolutions and a piston position. The indexes 20a are formed along a circle…",
  "path": "/patents/1067248",
  "publishedAt": "2006-05-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/009",
    "DOOSAN INFRACORE CO LTD [KR]"
  ],
  "textContent": "An engine combustion device control system is disclosed, wherein, as a flywheel 10 rotates, a detection sensor 70 detects indexes 20a formed on an inner surface of the flywheel 10 to accurately measure the number of engine revolutions and a piston position. The indexes 20a are formed along a circle concentric with a rotational center of the flywheel at a substantially equal spacing and grouped to fall into different kinds of discrete angular sections, making it possible to accurately estimate the number of engine revolutions and the time at which a piston reaches a top dead point. This removes the need for a separate rotating disk other than the flywheel and enables an electronic control unit of an engine to control the timing of injection and ignition of mixed gas in an accurate manner.",
  "title": "Combustion device control system for use in an engine"
}