{
  "$type": "site.standard.document",
  "description": "A high efficiency coolant collection type gas turbine is obtained by forming coolant supply and collection flow paths for moving blades in a more outer peripheral side of a gas turbine rotor than a hub, supplying the coolant supplied from a shaft end into the moving blades through the supply flow…",
  "path": "/patents/1086527",
  "publishedAt": "2004-06-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01D25/12",
    "HITACHI LTD [JP]"
  ],
  "textContent": "A high efficiency coolant collection type gas turbine is obtained by forming coolant supply and collection flow paths for moving blades in a more outer peripheral side of a gas turbine rotor than a hub, supplying the coolant supplied from a shaft end into the moving blades through the supply flow path and collecting the coolant after cooling the blades and supplying to coolant into a combustion chamber side. For this purpose a distant piece is provided between the compressor and the turbine. A spacer is inserted between the distant piece and the disc of the first turbine stage. A flowpath formed by a cavity between the distant piece and the spacer is lined with heat shielding material in order to protect the structure from high temperatures.",
  "title": "Air-cooled gas turbine"
}