{
  "$type": "site.standard.document",
  "description": "An internal combustion engine control device integrates an oxygen storage amount stored in a three-way catalyst in a period from an integration start position where combustion gas of an internal combustion engine obtained from an air-fuel ratio of exhaust gas starts to change from lean to rich or…",
  "path": "/patents/1375124",
  "publishedAt": "2025-04-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/30",
    "Hitachi Astemo, Ltd."
  ],
  "textContent": "An internal combustion engine control device integrates an oxygen storage amount stored in a three-way catalyst in a period from an integration start position where combustion gas of an internal combustion engine obtained from an air-fuel ratio of exhaust gas starts to change from lean to rich or from rich to lean to an integration stop position where an oxygen concentration that has increased or decreased from before the integration start position is reversed.",
  "title": "Internal Combustion Engine Control Device and Internal Combustion Engine Control Method"
}