{
  "$type": "site.standard.document",
  "description": "The present invention relates to a system for taxiing an aircraft without starting one or more main aircraft propulsion engines. In one embodiment, a low pressure spool of a gas turbine engine is driven by a mechanical coupling with an auxiliary power unit, and by an electrical machine.",
  "path": "/patents/1002318",
  "publishedAt": "2012-05-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B64D27/00",
    "ROLLS ROYCE CORP [US]"
  ],
  "textContent": "The present invention relates to a system for taxiing an aircraft without starting one or more main aircraft propulsion engines. In one embodiment, a low pressure spool of a gas turbine engine is driven by a mechanical coupling with an auxiliary power unit, and by an electrical machine.",
  "title": "Aircraft propulsion system and system for taxiing an aircraft"
}