3404856

Information

• Patent Grant
• 3404856

• References
• Source

• Patent Number

  3,404,856

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1968
  56 years ago

• CPC

  • 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
  • G05D1/0061 - for transition from automatic pilot to manual pilot and vice versa
  • G05D1/0858 - specially adapted for vertical take-off of aircraft
  • B64C2700/6229 - Special devices to stabilise or to compensate a helicoper rotor by other means than counter rotating rotor

• US Classifications

  • 244 - Aeronautics and astronautics
  • 091 - Motors: expansible chamber type
  • 318 - Electricity: motive power systems