Patents by Inventor Joseph C. McMullen

Joseph C. McMullen 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).

  • Water and steam injection system for emission control of gas turbines
    Patent number: 4259837
    Abstract: A control system for the injection of water or steam into the combustion chambers of a combustion turbine for reducing the emission of oxides of nitrogen in the exhaust gas of a combustion turbine is described. The control system includes a water control valve having a linear flow versus stroke characteristic which is controlled by an error signal representing the difference between a predetermined water-to-fuel schedule and the actual water-to-fuel schedule. Instruments for monitoring and recording water and fuel flow are also described.
    Type: Grant
    Filed: June 13, 1979
    Date of Patent: April 7, 1981
    Assignee: General Electric Company
    Inventors: John N. Russell, David W. Smith, Joseph C. McMullen