3575530

Information

• Patent Grant
• 3575530

• References
• Source

• Patent Number

  3,575,530

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1971
  53 years ago

• CPC

  • B63H1/28 - Other means for improving propeller efficiency
  • B63H1/26 - Blades
  • B63H3/00 - Propeller-blade pitch changing
  • B64C11/30 - Blade pitch-changing mechanisms
  • F01D5/141 - Shape
  • F01D7/02 - having adjustment responsive to speed
  • F04D29/181 - Axial flow rotors
  • F16H61/56 - to change the blade angle
  • Y02T50/673 - Improving the rotor blades aerodynamic

• US Classifications

  • 416 - Fluid reaction surfaces