3580694

Information

• Patent Grant
• 3580694

• References
• Source

• Patent Number

  3,580,694

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • F24F13/142 - using pivoting blades with intersecting axles
  • F04D29/364 - The blades having only a predetermined number of possible positions
  • F24F13/14 - built up of tilting members

• US Classifications

  • 416 - Fluid reaction surfaces