2791281

Information

• Patent Grant
• 2791281

• References
• Source

• Patent Number

  2,791,281

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1957
  67 years ago

• CPC

  • F03D7/0224 - Adjusting blade pitch
  • F01D5/141 - Shape
  • F01D5/147 - Construction, i.e. structural features
  • F03D1/0608 - characterised by their form
  • F03D7/0252 - with aerodynamic drag devices on the blades
  • F05B2260/74 - by turning around an axis perpendicular the rotor centre line
  • F05B2260/77 - the adjusting mechanism driven or triggered by centrifugal forces
  • F05D2260/74 - by turning around an axis perpendicular the rotor centre line
  • F05D2260/77 - the adjusting mechanism driven or triggered by centrifugal forces
  • Y02E10/721 - Blades or rotors
  • Y02E10/723 - Control of turbines

• US Classifications

  • 416 - Fluid reaction surfaces
  • 446 - Amusement devices: toys