{
  "$type": "site.standard.document",
  "description": "Method for controlling continuously variable valve timing (CVVT) including determining whether a CVVT control is started, detecting a position of a cam and a position of a crankshaft when the CVVT control is started, determining whether the cam is controlled to be positioned from a locking position…",
  "path": "/patents/940827",
  "publishedAt": "2016-07-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01L1/34",
    "HYUNDAI MOTOR CO LTD [KR]"
  ],
  "textContent": "Method for controlling continuously variable valve timing (CVVT) including determining whether a CVVT control is started, detecting a position of a cam and a position of a crankshaft when the CVVT control is started, determining whether the cam is controlled to be positioned from a locking position to an advancing position or a holding position, in case it is required to identify whether the cam torque is positive or negative, and when the cam is controlled to be positioned from a locking position to an advancing position or a holding position, and a condition for performing the CVVT control is satisfied, performing predetermined CVVT control after waiting a predetermined time when determined cam torque is negative.",
  "title": "METHOD AND SYSTEM FOR CONTROLLING CONTINUOUSLY VARIABLE VALVE TIMING"
}