{
  "$type": "site.standard.document",
  "description": "A direct injection type internal combustion engine control apparatus is capable of increasing the frequency of performing the compression-stroke fuel injection following an automatic start of the engine by maintaining a sufficient fuel pressure for the compression-stroke injection even after the…",
  "path": "/patents/1108528",
  "publishedAt": "2001-11-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/042",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A direct injection type internal combustion engine control apparatus is capable of increasing the frequency of performing the compression-stroke fuel injection following an automatic start of the engine by maintaining a sufficient fuel pressure for the compression-stroke injection even after the engine has been stopped by an automatic stop function. When an immediately-before-automatic-stop flag XPREEC=\"ON\", the control apparatus sets the control duty of an electromagnetic spill valve (55) to 100 (%) to raise the fuel pressure P immediately before the automatic stop. As a result, after the engine (2) stops, the fuel pressure starts to decrease from a high pressure P, so that there will be a long time before the fuel pressure decreases to a level that makes it impossible to perform appropriate fuel injection into the combustion chamber during the compression stroke. Therefore, the possibility of performance of the compression-stroke injection immediately following an automatic start is increased, and the frequency of performing the compression-stroke injection is increased. Thus, sufficient improvements in fuel economy and the like can be achieved.",
  "title": "Direct injection type internal combustion engine control apparatus and control method of the same"
}