Patents by Inventor Russell E. Motsinger

Russell E. Motsinger 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).

  • Closed cavity noise suppressor
    Patent number: 4944362
    Abstract: An annular acoustic liner for gas turbine engine ducts comprising Helmholtz resonator chambers wherein the resonator's turnable neck length and chamber depth lie on a surface which is concentric to the liner centerline. In another embodiment of the invention the liner is generally rectangular and the resonator's turnable neck length and chamber depth lie on a surface which is parallel to the duct flow. A more particular embodiment of the invention the duct is an afterburner duct which may have a rectangular or circular cross section.
    Type: Grant
    Filed: November 25, 1988
    Date of Patent: July 31, 1990
    Assignee: General Electric Company
    Inventors: Russell E. Motsinger, John W. Vdoviak