{
  "$type": "site.standard.document",
  "description": "The invention relates to a duct for a vehicle, comprising: an elongate passageway (212) defined by at least one wall (217), the passageway (212) having first and second ends relative to the longitudinal axis of the passageway (212); a non-annular inlet (216) at the first end of the passageway for…",
  "path": "/patents/991809",
  "publishedAt": "2013-04-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B64C21/01",
    "ROLLS ROYCE PLC [GB]"
  ],
  "textContent": "The invention relates to a duct for a vehicle, comprising: an elongate passageway (212) defined by at least one wall (217), the passageway (212) having first and second ends relative to the longitudinal axis of the passageway (212); a non-annular inlet (216) at the first end of the passageway for receiving a first fluid flow from the boundary layer of the vehicle when in use; and, an annular outlet (226, 228) at the second end of the passageway (212) having an radially inner circumferential wall and a radially outer circumferential wall, the annular outlet (226, 228) being in fluid communication with a propulsive unit when in use, wherein the radially inner and outer circumferential walls extend continuously to the inlet (216).",
  "title": "Boundary layer ingestion duct"
}