Patents by Inventor Peter Ulith

Peter Ulith 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).

  • Method of operation of a pump-turbine between part-load operation and reverse pumping operation
    Patent number: 4419047
    Abstract: The invention relates to a method of operation of a pump-turbine between part-load and reverse pumping operation in which the various operating conditions are produced by changing the position of the wicket gates in that some of the wicket gates are removed from the synchronous operation as provided by the mechanical gate ring operator and inserting a servo-motor between the wicket gate and the gate ring which functions to alter the connection between the selected wicket gates and the gate ring operator.
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: December 6, 1983
    Assignee: Voith GmbH
    Inventors: Dieter Klemm, Peter Ulith