{
  "$type": "site.standard.document",
  "description": "An apparatus (100) for lifting and propelling a rotorcraft, the apparatus (100) comprising: a rotor hub (110) adapted for applying lift and propulsive forces to the rotorcraft; a plurality of rotor blades (120) mechanically coupled to the rotor hub (110) to form a rotor assembly and adapted for…",
  "path": "/patents/1090710",
  "publishedAt": "2004-01-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B64C27/18",
    "GEN ELECTRIC [US]"
  ],
  "textContent": "An apparatus (100) for lifting and propelling a rotorcraft, the apparatus (100) comprising: a rotor hub (110) adapted for applying lift and propulsive forces to the rotorcraft; a plurality of rotor blades (120) mechanically coupled to the rotor hub (110) to form a rotor assembly and adapted for generating the lift and propulsive forces; and a plurality of pulse detonation engines (140) adapted for impulsively detonating a plurality of fuel/air mixtures to generate thrust forces and applying the thrust forces to the rotor assembly.",
  "title": "Method and apparatus for lifting and propelling rotorcraft"
}