{
  "$type": "site.standard.document",
  "description": "When an air excess rate is controlled to be reduced based upon an early activation demand of an exhaust gas purification apparatus or a regeneration demand of NOx trap catalyst at a state immediately after an engine has started from at a cold condition, a fuel injection state (injection timing of a…",
  "path": "/patents/1096274",
  "publishedAt": "2003-05-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D35/028",
    "NISSAN MOTOR [JP]"
  ],
  "textContent": "When an air excess rate is controlled to be reduced based upon an early activation demand of an exhaust gas purification apparatus or a regeneration demand of NOx trap catalyst at a state immediately after an engine has started from at a cold condition, a fuel injection state (injection timing of a main injection, a pilot injection quantity, an injection pressure and so on) from a fuel injection valve is variably controlled so that a crank angle position where a heat generation rate is maximized is kept constant, thereby stabilizing a combustion and preventing combustion fluctuations.",
  "title": "An apparatus and a method for controlling an internal combustion engine"
}