{
  "$type": "site.standard.document",
  "description": "It is an object of this invention to restrain blow-by gas from reaching a catalyst during fuel cutoff, and protect the catalyst while coping with an increase in oil dilution amount resulting from the use of alcohol fuel, in an internal combustion engine that uses the alcohol fuel. An engine 10 is…",
  "path": "/patents/970366",
  "publishedAt": "2014-09-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D19/084",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "It is an object of this invention to restrain blow-by gas from reaching a catalyst during fuel cutoff, and protect the catalyst while coping with an increase in oil dilution amount resulting from the use of alcohol fuel, in an internal combustion engine that uses the alcohol fuel. An engine 10 is equipped with a PCV mechanism 50 that introduces blow-by gas in a crankcase 18 into an intake system. Besides, when fuel cutoff is executed with the PCV mechanism 50 in operation, an opening degree of a throttle valve 26 during fuel cutoff is set on the basis of an oil dilution amount in lubricating oil. Thus, the throttle opening degree during fuel cutoff is adjusted in accordance with a generation amount of blow-by gas, so that an intake negative pressure can be appropriately reduced. Accordingly, during fuel cutoff, the amount of blow-by gas that is sucked out from the crankcase 18 due to the intake negative pressure and introduced into the intake system can be held small.",
  "title": "CONTROL DEVICE FOR INTERNAL-COMBUSTION ENGINE"
}