Patents Assigned to Catercopters, LLC
  • Patent number: 5997250
    Abstract: A propeller pitch control apparatus for an aircraft in which the vector sum of the aircraft forward speed and the propeller rotational tip speed is a selected fraction of the speed of sound, the fraction based on percent power and altitude, to maximize efficiency and minimize noise.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: December 7, 1999
    Assignee: Catercopters, LLC
    Inventors: Jay Carter, Jr., Adrian P. K. Nye