{
  "$type": "site.standard.document",
  "description": "There is provided a system for controlling an intake valve (53) of an internal combustion engine, including a variable valve mechanism (10) having a control shaft (12) to continuously vary a valve lift amount of the intake valve according to a rotational angle of the control shaft and an actuator…",
  "path": "/patents/1069636",
  "publishedAt": "2006-03-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01L13/0026",
    "NISSAN MOTOR [JP]"
  ],
  "textContent": "There is provided a system for controlling an intake valve (53) of an internal combustion engine, including a variable valve mechanism (10) having a control shaft (12) to continuously vary a valve lift amount of the intake valve according to a rotational angle of the control shaft and an actuator (41) to drive the control shaft, and a control unit (50) that controls the actuator so as to set the control shaft to a first rotational angle position at which the valve lift amount takes a first value during an engine idling period and to a second rotational angle position at which the valve lift amount takes on a second value larger than the first value to provide a required intake quantity to start the engine during a time from the beginning of an engine speed decrease period, through an engine stop period, until the completion of a cranking period of the engine.",
  "title": "Intake valve control system and method for internal combustion engine"
}