{
  "$type": "site.standard.document",
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  "description": "A control apparatus for an internal combustion engine carries out lean combustion to cause flame propagation to a homogeneous air-fuel mixture while drifting primary flames on a tumble flow by injecting fuel for ignition from a second fuel injection valve to a vicinity of an electrode portion and…",
  "path": "/patents/1350818",
  "publishedAt": "2023-09-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/402",
    "TOYOTA JIDOSHA KABUSHIKI KAISHA"
  ],
  "textContent": "A control apparatus for an internal combustion engine carries out lean combustion to cause flame propagation to a homogeneous air-fuel mixture while drifting primary flames on a tumble flow by injecting fuel for ignition from a second fuel injection valve to a vicinity of an electrode portion and igniting an air-fuel mixture for ignition at a primary ignition timing, and to ignite an air-fuel mixture for accelerating combustion at a secondary ignition timing by injecting fuel for accelerating combustion in a squish area from the second fuel injection valve at a timing before an injection timing of the fuel for ignition and drifting the air-fuel mixture for accelerating combustion in a combustion chamber on the tumble flow. The secondary ignition timing is set as a timing allowing secondary flames produced by igniting the air-fuel mixture for accelerating combustion to be drawn into the squish area by a reverse squish flow.",
  "title": "INTERNAL COMBUSTION ENGINE"
}