Patents by Inventor John F. Koenig

John F. Koenig 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).

  • Control system for fluid heated steam generator
    Patent number: 4526136
    Abstract: A control system for controlling the location of the nucleate-boiling region in a fluid heated steam generator comprises means for measuring the temperature gradient (change in temperature per unit length) of the heating fluid along the steam generator; means for determining a control variable in accordance with a predetermined function of temperature gradients and for generating a control signal in response thereto; and means for adjusting the feedwater flow rate in accordance with the control signal.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: July 2, 1985
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: James F. Boland, John F. Koenig