{
  "$type": "site.standard.document",
  "description": "A method of controlling the operation of a fuel metering unit of the type incorporating a metering valve (12) and a temperature sensor (30) is disclosed, the method comprising the steps of: sensing a change in temperature; using the sensed change in temperature to derive a fast temperature…",
  "path": "/patents/1003285",
  "publishedAt": "2012-04-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02C9/263",
    "ROLLS ROYCE GOODRICH ENGINE CONTROL SYSTEMS LTD [GB]"
  ],
  "textContent": "A method of controlling the operation of a fuel metering unit of the type incorporating a metering valve (12) and a temperature sensor (30) is disclosed, the method comprising the steps of: sensing a change in temperature; using the sensed change in temperature to derive a fast temperature correction factor (36c); using the sensed change in temperature to derive a slow temperature correction factor (38c); using the fast and slow temperature correction factors (36c, 38c) in combination with a fuel demand (34a) to determine a metering valve position; and moving the metering valve (12) to the determined metering valve position.",
  "title": "Method of controlling the operation of a fuel metering unit and such a unit"
}