3504990

Information

• Patent Grant
• 3504990

• References
• Source

• Patent Number

  3,504,990

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • F04D29/18 - Rotors
  • B63H1/16 - having a shrouding ring attached to blades
  • B63H1/265 - each blade being constituted by a surface enclosing an empty space
  • B64C11/00 - Propellers
  • F01D1/34 - characterised by non-bladed rotor
  • F03B3/00 - Machines or engines of reaction type Parts or details peculiar thereto
  • F03B3/12 - Blades Blade-carrying rotors
  • F04D3/02 - of screw type
  • F05B2210/16 - Air or water being indistinctly used as working fluid
  • Y02E10/223 - Turbines or waterwheels

• US Classifications

  • 416 - Fluid reaction surfaces
  • 415 - Rotary kinetic fluid motors or pumps