{
  "$type": "site.standard.document",
  "description": "A knock determiner detects that knocking has occurred if the intensity of engine oscillation detected during a knock determination period is equal to or higher than a predetermined knock determination level. A retardation amount controller regulates the retardation amount of ignition timing based…",
  "path": "/patents/1087376",
  "publishedAt": "2004-05-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02P5/152",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "A knock determiner detects that knocking has occurred if the intensity of engine oscillation detected during a knock determination period is equal to or higher than a predetermined knock determination level. A retardation amount controller regulates the retardation amount of ignition timing based on which a setter sets the end timing of the knock determination period to an advanced timing. An independent claim is also included for a knock control method.",
  "title": "Knock control apparatus and knock control method for internal combustion engine"
}