Patents by Inventor Wallace N. Kelly

Wallace N. Kelly 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).

  • Rotor disk structure
    Patent number: 4344738
    Abstract: A rotor disk adapted to receive a plurality of coolable rotor blades of a gas turbine engine is disclosed. Various construction details for cooling air holes in rotor disks are developed. In structures embodying the present invention tangential stress concentration factors are reduced. The elongated axis of each cooling air hole lies in a plane perpendicular to the axis of symmetry of the disk.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: August 17, 1982
    Assignee: United Technologies Corporation
    Inventors: Wallace N. Kelly, Roger D. Breunig