Patents by Inventor Gregor Pennig

Gregor Pennig 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).

  • Impeller for a high-speed turbomachine
    Patent number: 4053261
    Abstract: An impeller for a high-speed turbomachine, in which the impeller includes a hub which is frictionally fastened on a shaft of the machine by a tapered fit. A resilient, axially extending connecting portion of the hub is interposed between the impeller and hub and is welded to the impeller. The impeller encompasses the shaft and the hub so as to form a narrow radial gap therebetween.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: October 11, 1977
    Assignee: MTU Motoren-Und Turbinen Union Munchen GmbH
    Inventor: Gregor Pennig