{
  "$type": "site.standard.document",
  "description": "This invention relates to an air-fuel ratio control device of an internal combustion engine, and an object of the invention is to provide an air-fuel ratio control device of an internal combustion engine that is capable of suppressing a deterioration in the controllability of air-fuel ratio…",
  "path": "/patents/962194",
  "publishedAt": "2015-04-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01N3/2006",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "This invention relates to an air-fuel ratio control device of an internal combustion engine, and an object of the invention is to provide an air-fuel ratio control device of an internal combustion engine that is capable of suppressing a deterioration in the controllability of air-fuel ratio feedback control after restarting an engine. Figure 6 illustrates an elapsed time after engine startup, and output values of a front A/F sensor 16 and a rear A/F sensor 18. As shown in Figure 6 , the output values of the front A/F sensor 16 and rear A/F sensor 18 become equal from a time T3 onwards. Hence, by switching to normal air-fuel ratio feedback control at the time T3, highly accurate air-fuel ratio feedback control that is in accordance with the actual situation is enabled.",
  "title": "AIR-FUEL RATIO CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE"
}