{
  "$type": "site.standard.document",
  "description": "A method of controlling a gas turbine engine (10). The gas turbine engine (10) comprises a compressor (14), a combustor (16), and a motor (28) configured to drive the compressor (14). The method comprises, in a first idle mode, controlling combustor (16) fuel flow to maintain compressor (14)…",
  "path": "/patents/1403107",
  "publishedAt": "2024-06-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02C6/00",
    "ROLLS ROYCE PLC [GB]"
  ],
  "textContent": "A method of controlling a gas turbine engine (10). The gas turbine engine (10) comprises a compressor (14), a combustor (16), and a motor (28) configured to drive the compressor (14). The method comprises, in a first idle mode, controlling combustor (16) fuel flow to maintain compressor (14) rotational speed (N2) at or above a predetermined value; and in a second idle mode, controlling the combustor and the motor (28) to drive the compressor (14) to maintain the compressor rotational speed (N2) at or above a second predetermined value, lower than the first predetermined value.",
  "title": "GAS TURBINE ENGINE AND OPERATING METHOD"
}