3811791

Information

• Patent Grant
• 3811791

• References
• Source

• Patent Number

  3,811,791

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • F02K3/072 - with counter-rotating fan rotors
  • B64C11/00 - Propellers
  • B64C11/46 - Arrangements of or constructional features peculiar to multiple propellers
  • B64C23/005 - by other means not covered by groups B64C23/02 - B64C23/08
  • F02C3/10 - with another turbine driving an output shaft but not driving the compressor
  • F02K3/062 - with aft fan
  • B64C2700/6274 - by other means
  • B64D2027/005 - Aircraft with an unducted turbofan comprising contra-rotating rotors
  • B64D2027/026 - comprising different types of power plants
  • Y02T50/66 - Propellers

• US Classifications

  • 416 - Fluid reaction surfaces
  • 060 - Power plants
  • 244 - Aeronautics and astronautics
  • 415 - Rotary kinetic fluid motors or pumps