3002711

Information

• Patent Grant
• 3002711

• References
• Source

• Patent Number

  3,002,711

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1961
  63 years ago

• CPC

  • B64C27/615 - including flaps mounted on blades
  • B64C27/10 - arranged coaxially
  • B64C27/14 - Direct drive between power plant and rotor hub
  • B64C27/18 - the means being jet-reaction apparatus
  • B64C27/32 - Rotors
  • B64D1/22 - Taking-up articles from earth's surface
  • B64C27/04 - Helicopters
  • B64C2700/6292 - Control means using other devices than the rotor
  • Y02T50/34 - Helicopter rotor blades lift efficiency

• US Classifications

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