{
  "$type": "site.standard.document",
  "description": "A power extraction system (200) is disclosed having a forward fan stage (52) configured to pressurize an airflow (1), an aft fan stage (60) having a tip-fan (70) configured to pressurize a first portion (3) of a pressurized air flow (2) from the forward fan stage (52) wherein the aft fan stage (60)…",
  "path": "/patents/1011678",
  "publishedAt": "2011-06-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01D1/023",
    "GEN ELECTRIC [US]"
  ],
  "textContent": "A power extraction system (200) is disclosed having a forward fan stage (52) configured to pressurize an airflow (1), an aft fan stage (60) having a tip-fan (70) configured to pressurize a first portion (3) of a pressurized air flow (2) from the forward fan stage (52) wherein the aft fan stage (60) is driven by a second portion (4) of the pressurized airflow (2), and a power drive system (210) adapted to supply power from the aft fan stage (60).",
  "title": "Turbofan engine with power extraction system"
}