{
  "$type": "site.standard.document",
  "description": "A compressor (61) with negative coefficient of thermal expansion case material (50) comprising a rotor having blades with tips (76), the case including an inner case (62) comprising a negative coefficient of thermal expansion material (50), and a tip clearance (74) located between the tips (76) and…",
  "path": "/patents/1422321",
  "publishedAt": "2023-05-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01D11/18",
    "RAYTHEON TECH CORP [US]"
  ],
  "textContent": "A compressor (61) with negative coefficient of thermal expansion case material (50) comprising a rotor having blades with tips (76), the case including an inner case (62) comprising a negative coefficient of thermal expansion material (50), and a tip clearance (74) located between the tips (76) and the inner case (62); wherein the tip clearance (74) is maintained responsive to a flow of air (70) over the negative coefficient of thermal expansion material (50).",
  "title": "NEGATIVE THERMAL EXPANSION COMPRESSOR CASE FOR IMPROVED TIP CLEARANCE"
}