{
  "$type": "site.standard.document",
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  "description": "A control apparatus for an internal combustion engine according to an embodiment of the present invention (present apparatus) determines, based on an output value of the downstream air-fuel ratio sensor 67, which a target air-fuel ratio being a target value of an air-fuel ratio of a gas flowing…",
  "path": "/patents/979995",
  "publishedAt": "2014-01-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/0032",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A control apparatus for an internal combustion engine according to an embodiment of the present invention (present apparatus) determines, based on an output value of the downstream air-fuel ratio sensor 67, which a target air-fuel ratio being a target value of an air-fuel ratio of a gas flowing into the catalyst 43 should be set to either a \"target rich air-fuel ratio smaller than the stoichiometric air-fuel ratio\" or a \"target lean air-fuel ratio larger than the stoichiometric air-fuel ratio\", and determines a fuel injection amount based on the target air-fuel ratio. The present apparatus comprises an evaporated fuel purge section for introducing an evaporated fuel generated in a fuel tank 51 into an intake passage of the engine. The evaporated fuel purge section starts the evaporated fuel purge when the target air-fuel ratio is set to the target rich air-fuel ratio at a purge execution request condition satisfied time point at which a state has changed from a state in which the purge execution request condition is unsatisfied to a state in which the purge execution request condition is satisfied, and does not start the evaporated fuel purge when the target air-fuel ratio is set to the target lean air-fuel ratio at the purge execution request condition satisfied time point.",
  "title": "CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE"
}