Patents by Inventor Patrick D. SCHWEITZER

Patrick D. SCHWEITZER 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).

  • System and method for controlling fired heater operations
    Patent number: 8926317
    Abstract: Method of controlling the operation of a combustion device to provide safe and reliable operation while reducing NOx emission that includes providing a flow of fuel and diluent at a determined volume ratio to a flame in the combustion device; providing a flame stability sensor to generate a measurement of a characteristic of the flame, providing a flow measurement for each of the fuel and diluent, and controlling the determined volume ratio of fuel:diluent using the measurement from the flame stability sensor and/or flow measurements. A combustion system incorporating this method also is included.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: January 6, 2015
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: John T. Farrell, San Chhotray, Gary T. Dobbs, Manuel S. Alvarez, Patrick D. Schweitzer
  • SYSTEM AND METHOD FOR CONTROLLING FIRED HEATER OPERATIONS
    Publication number: 20100151397
    Abstract: Method of controlling the operation of a combustion device to provide safe and reliable operation while reducing NOx emission that includes providing a flow of fuel and diluent at a determined volume ratio to a flame in the combustion device; providing a flame stability sensor to generate a measurement of a characteristic of the flame, providing a flow measurement for each of the fuel and diluent, and controlling the determined volume ratio of fuel:diluent using the measurement from the flame stability sensor and/or flow measurements. A combustion system incorporating this method also is included.
    Type: Application
    Filed: December 14, 2009
    Publication date: June 17, 2010
    Applicant: ExxonMobile Research and Engineering Company
    Inventors: John T. FARRELL, San CHHOTRAY, Gary T. DOBBS, Manuel S. ALVAREZ, Patrick D. SCHWEITZER