Patents by Inventor Donald D. Sidat

Donald D. Sidat 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).

  • Oil weepage return for carbon seal plates
    Patent number: 4406459
    Abstract: A carbon seal for the bearing compartment for a gas turbine engine has radially extending passages in the rotating seal plate so arranged as to pump oil by centrifugal force from the space between the seal plate and the shaft into the bearing compartment surrounding the seal. With this seal plate no detrimental oil accumulation is permitted in this space.
    Type: Grant
    Filed: June 18, 1982
    Date of Patent: September 27, 1983
    Assignee: United Technologies Corporation
    Inventors: Joseph Davis, Donald D. Sidat