Patents by Inventor Thomas J. Dunn, Jr.

Thomas J. Dunn, 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).

  • Apparatus for introducing gas recirculation to control steam temperature in steam generation systems
    Patent number: 5730070
    Abstract: An apparatus for introducing gas recirculation into a furnace to control steam temperature includes a hot air chamber for receiving hot air from an air preheater. The hot air chamber has at least one outlet communicating with the interior of the furnace. The apparatus includes a recirculation gas chamber for receiving recirculation gas from a recirculation fan and includes at least one outlet communicating with the interior of the furnace. Each of the chambers is disposed about at least a portion of the circumference of the furnace with one of the chambers disposed above at least a portion of the other. Ducts are provided between the hot air chamber and the air preheater and between the recirculation gas chamber and the recirculation fan to provide communication between the elements. A passageway is disposed between the hot air chamber and the recirculation gas chamber.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: March 24, 1998
    Assignee: Combustion Engineering, Inc.
    Inventors: Robert C. Kunkel, Thomas J. Dunn, Jr.
  • Method for optimizing the operating efficiency of a fossil fuel-fired power generation system
    Patent number: 5423272
    Abstract: A method of operating a fossil fuel-fired power generation system (10, 10', 10", 10'") in order to thereby optimize the operating efficiency thereof.
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: June 13, 1995
    Assignee: Combustion Engineering, Inc.
    Inventors: Thomas J. Dunn, Jr., Peter Kawa, Edward S. Sadlon