Patents by Inventor William J. Adelmann, Jr.

William J. Adelmann, 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).

  • Differential pressure control for gas seal in turbo machinery
    Patent number: 4408765
    Abstract: For limiting leakage of a high pressure buffer gas supply about the gas seal in a turbo compressor, the sliding face on the inward diameter of the seal includes a plurality of axially spaced annular O-ring seals positioned in tandem staged sealing relation thereat. Communicating from between each juxtaposed pair of O-ring seals is a bleed port enabling inter-O-ring pressure to be controlled for any overall pressure differential that is encountered.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: October 11, 1983
    Assignee: Dresser Industries, Inc.
    Inventor: William J. Adelmann, Jr.