3256938

Information

• Patent Grant
• 3256938

• References
• Source

• Patent Number

  3,256,938

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1966
  58 years ago

• CPC

  • B64C27/615 - including flaps mounted on blades
  • B64C27/20 - Rotorcraft characterised by having shrouded rotors
  • B64C27/46 - Blades
  • B64C27/54 - Mechanisms for controlling blade adjustment or movement relative to rotor head
  • B64C2700/6284 - Blades control devices
  • B64C2700/6291 - Rotors stowable in the wings
  • Y02T50/34 - Helicopter rotor blades lift efficiency

• US Classifications

  • 416 - Fluid reaction surfaces
  • 415 - Rotary kinetic fluid motors or pumps