{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A gas turbine engine sealing air supply system comprising a bearing chamber seal to prevent lubricant fluid loss from a fluid chamber, the sealing effected by ingress of sealing air. An air supply duct is coupled to the bearing chamber seal to provide the sealing air. A first duct is coupled…",
  "path": "/patents/988660",
  "publishedAt": "2013-07-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01D11/04",
    "ROLLS ROYCE PLC [GB]"
  ],
  "textContent": "A gas turbine engine sealing air supply system comprising a bearing chamber seal to prevent lubricant fluid loss from a fluid chamber, the sealing effected by ingress of sealing air. An air supply duct is coupled to the bearing chamber seal to provide the sealing air. A first duct is coupled between a starter air system of the gas turbine engine and the air supply duct to supply sealing air during gas turbine engine starting.",
  "title": "Gas turbine engine bearing chamber seals"
}