3506219

Information

• Patent Grant
• 3506219

• References
• Source

• Patent Number

  3,506,219

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  54 years ago

• CPC

  • B64C27/12 - Rotor drives
  • B64C27/14 - Direct drive between power plant and rotor hub
  • B64C27/32 - Rotors
  • B64C27/82 - characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
  • B64C27/04 - Helicopters
  • B64C2027/8236 - including pusher propellers
  • B64C2027/8254 - Shrouded tail rotors
  • B64C2027/8281 - comprising horizontal tail planes
  • B64C2700/6281 - Helicopters
  • B64C2700/6292 - Control means using other devices than the rotor
  • B64C2700/6294 - Construction parts

• US Classifications

  • 244 - Aeronautics and astronautics
  • 416 - Fluid reaction surfaces