Patents by Inventor Ralph E. McGinnis

Ralph E. McGinnis 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).

  • Grooved honeycomb labyrinth seal for steam turbines
    Patent number: 4416457
    Abstract: A circular grooved honeycomb labyrinth seal having a plurality of arcuate base portions, a plurality of honeycomb-shaped cell portions extending radially inwardly from the base portion with a plurality of passages disposed adjacent the base portion, the passages being in fluid communication with each cell and with the upstream side and the downstream side of the honeycomb labyrinth seal.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: November 22, 1983
    Assignee: Westinghouse Electric Corp.
    Inventors: Ralph E. McGinnis, Lewis Gray