Patents by Inventor John M. Dragash, Jr.

John M. Dragash, Jr. 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).

  • Radial lead spanner nut assembly with integral seals for hydrogen-cooled power generators and associated methods
    Patent number: 6236128
    Abstract: A radial lead spanner nut assembly (60) for preventing leakage of hydrogen gas in hydrogen-cooled power generators, an apparatus (50), and method are provided. The radial lead spanner nut assembly (60) is preferably mounted to a radial lead (26) positioned in a radial bore (37) of a generator rotor body (21) of a power generator. The radial lead spanner nut assembly (60) preferably has a radial lead spanner nut body (61), nut threads (62) positioned on the outer peripheries of the nut body (61) for abuttingly contacting a radial bore (37) along the bore threads (32) thereof, and a plurality of spaced-apart seal channels (64, 66, 68) formed in peripheries of non-threaded portions of the nut body (61).
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: May 22, 2001
    Assignee: Siemens Westinghouse Power Corporation
    Inventor: John M. Dragash, Jr.