{
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  "description": "When an internal combustion engine is in a cold state (S12), fuel is injected during compression stroke with burn air/fuel ratio controlled so as to produce a slight lean air/fuel mixture equivalent to or slightly leaner than a stoichiometric air/fuel mixture (compression S/L operation) (S14), and…",
  "path": "/patents/1093104",
  "publishedAt": "2003-09-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01N3/2006",
    "MITSUBISHI MOTORS CORP [JP]"
  ],
  "textContent": "When an internal combustion engine is in a cold state (S12), fuel is injected during compression stroke with burn air/fuel ratio controlled so as to produce a slight lean air/fuel mixture equivalent to or slightly leaner than a stoichiometric air/fuel mixture (compression S/L operation) (S14), and also exhaust gas flow is restrained (S16).",
  "title": "EXHAUST PURIFICATION DEVICE FOR INTRACYLINDRICAL INJECTION-TYPE SPARK-IGNITION INTERNAL COMBUSTION ENGINE"
}