Patents by Inventor James B. Rannie

James B. Rannie 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).

  • Coolable rocket nozzle for a rocket engine
    Patent number: 5582000
    Abstract: This invention relates to rocket engines which have a rocket nozzle for expanding hot, highly pressurized rocket gases and more particularly, to a high expansion ratio nozzle for such an engine by flowing the water along a wall to provide additional cooling.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: December 10, 1996
    Assignee: United Technologies Corporation
    Inventors: James B. Rannie, Richard J. Peckham, James R. Black
  • Hot gas duct liner
    Patent number: 4887663
    Abstract: Overlapping liner plates 12, 14, 16 are secured at the upstream end to support surface 22. Cooling air 26 supplied through compartmental plenums 24 passes between (54) the plates and over (56) the plate surface. Complementary elongated depressions 40, 46 selectively guide the airflow and provide flexibility to absorb transverse expansions.
    Type: Grant
    Filed: May 31, 1988
    Date of Patent: December 19, 1989
    Assignee: United Technologies Corporation
    Inventors: Thomas A. Auxier, James B. Rannie, Robert E. Field