1994488

Information

• Patent Grant
• 1994488

• References
• Source

• Patent Number

  1,994,488

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1935
  89 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
  • 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
  • 416 - Fluid reaction surfaces