{
  "$type": "site.standard.document",
  "description": "An improved engine construction, such as a rocket engine construction comprises a combustion chamber (12), a smooth wall nozzle (14), and a transition zone between the chamber and the smooth wall nozzle (14). The transition zone has a coolant system which includes a manifold (44) formed from a…",
  "path": "/patents/1081586",
  "publishedAt": "2004-12-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02K9/64",
    "UNITED TECHNOLOGIES CORP [US]"
  ],
  "textContent": "An improved engine construction, such as a rocket engine construction comprises a combustion chamber (12), a smooth wall nozzle (14), and a transition zone between the chamber and the smooth wall nozzle (14). The transition zone has a coolant system which includes a manifold (44) formed from a non-copper material through which a coolant flows. In a high heat transfer embodiment, the transition zone includes an additional manifold (40) formed from a copper based material.",
  "title": "Rocket engine combustion chamber"
}