Patents by Inventor Phillip R. Foster

Phillip R. Foster 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).

  • Liquid cooled stirling engine with a segmented rotary displacer
    Patent number: 8495873
    Abstract: The present invention provides a Stirling engine employing a segmented, rotary displacer for producing mechanical energy from a heat source. The engine includes a rotor shaft rotatably positioned in the interior toroidal cavity with a segmented displacer mounted to the rotor shaft within the interior toroidal cavity.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: July 30, 2013
    Assignee: University of North Texas
    Inventor: Phillip R. Foster
  • Liquid Cooled Stirling Engine with a Segmented Rotary Displacer
    Publication number: 20110061378
    Abstract: The present invention provides a Stirling engine employing a segmented, rotary displacer for producing mechanical energy from a heat source. The engine includes a rotor shaft rotatably positioned in the interior toroidal cavity with a segmented displacer mounted to the rotor shaft within the interior toroidal cavity.
    Type: Application
    Filed: September 16, 2010
    Publication date: March 17, 2011
    Applicant: UNIVERSITY OF NORTH TEXAS
    Inventor: Phillip R. Foster