Patents by Inventor John O. Struthers

John O. Struthers 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).

  • Offset center of gravity radial damper
    Patent number: 6042336
    Abstract: A damper for the blades of a turbine rotor for attenuating the vibrations excited in a radial direction by configuring the damper to have at least two legs bearing against the blade and the disc supporting the blade for grounding the radial vibrations transmitted radially through the damper and offsetting the center of gravity of the damper from the point of contact with the blade.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: March 28, 2000
    Assignee: United Technologies Corporation
    Inventors: Charles A. Bulgrin, John O. Struthers