{
  "$type": "site.standard.document",
  "description": "A gas turbine engine (20) comprises a fan section (22) including a fan (36) rotatable about an axis and a speed reduction device in communication with the fan (36). The speed reduction device (45) includes a planetary fan drive gear system (50) with a planet gear ratio of at least 2.5. A fan blade…",
  "path": "/patents/971600",
  "publishedAt": "2014-08-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02C7/36",
    "UNITED TECHNOLOGIES CORP [US]"
  ],
  "textContent": "A gas turbine engine (20) comprises a fan section (22) including a fan (36) rotatable about an axis and a speed reduction device in communication with the fan (36). The speed reduction device (45) includes a planetary fan drive gear system (50) with a planet gear ratio of at least 2.5. A fan blade tip speed of the fan (36) is less than 1400 fps.",
  "title": "Method for setting a gear ratio of a fan drive gear system of a gas turbine engine"
}