Patents by Inventor Ronald James Dutton

Ronald James Dutton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fan blade curvature distribution for high core pressure ratio fan
    Patent number: 7204676
    Abstract: A method for reducing vortex promotion of a rotor blade used in high core PR fans comprises shifting a curvature distribution of a blade section immediately adjacent to the hub such that a major turning of the suction side of the section is located near a trailing edge of the blade.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: April 17, 2007
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Ronald James Dutton, Kimberley Ann MacDonald