{
  "$type": "site.standard.document",
  "description": "A double pipe 60A of an embodiment includes: an outer pipe 70; an inner pipe 80 inserted through an interior of the outer pipe 70 to make high-temperature carbon dioxide flow therethrough; and an opening 72 of the outer pipe 70 which introduces low-temperature carbon dioxide to an annular passage…",
  "path": "/patents/1418164",
  "publishedAt": "2023-08-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02C3/34",
    "TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP [JP]"
  ],
  "textContent": "A double pipe 60A of an embodiment includes: an outer pipe 70; an inner pipe 80 inserted through an interior of the outer pipe 70 to make high-temperature carbon dioxide flow therethrough; and an opening 72 of the outer pipe 70 which introduces low-temperature carbon dioxide to an annular passage 61 between the outer pipe 70 and the inner pipe 80. The double pipe 60A further includes: an inner pipe protruding part 91 protruding from an outer peripheral surface of the inner pipe 80 to a radial outside; and an outer pipe protruding part 92 protruding from an inner peripheral surface of the outer pipe 70 to a radial inside, the outer pipe protruding part 92 having a fitting groove 93 fitted to the inner pipe protruding part 91 and penetrating in an axial direction.",
  "title": "GAS TURBINE COMBUSTOR SYSTEM"
}