Patents by Inventor John P. Guarco

John P. Guarco 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).

  • Publication number: 20020160332
    Abstract: The present invention provides improved methods of reducing NOx emissions in the flue gases produced by a steam boiler fired by a fluid fuel and combustion air burner and including a steam drum provided with make-up water from which produced steam and blowdown steam are withdrawn. In accordance with the invention at least a portion of the blowdown steam is combined with the fluid fuel or combustion air or both.
    Type: Application
    Filed: April 26, 2001
    Publication date: October 31, 2002
    Inventors: John P. Guarco, Andrew S. Barrieau, Lev M. Tsirulnikov
  • Patent number: 6464492
    Abstract: The present invention provides improved methods of reducing NOx emissions in the flue gases produced by a steam boiler fired by a fluid fuel and combustion air burner and including a steam drum provided with make-up water from which produced steam and blowdown steam are withdrawn. In accordance with the invention at least a portion of the blowdown steam is combined with the fluid fuel or combustion air or both.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: October 15, 2002
    Assignee: John Zink Company, LLC
    Inventors: John P. Guarco, Andrew S. Barrieau, Lev M. Tsirulnikov
  • Patent number: 5860803
    Abstract: A furnace gas injection apparatus and process for delivering gaseous fuel to a furnace at a compound angle wherein one angle .alpha. of the compound angle is directed outwardly from the furnace burner centerline at an angle of between 75.degree. and 120.degree. to a line extending radially from the furnace burner centerline to the gas discharge openings of the gas injection means.
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: January 19, 1999
    Assignee: Todd Combustion
    Inventors: Edmund S. Schindler, John P. Guarco
  • Patent number: 5860600
    Abstract: An apparatus in which an atomizer is provided with two arrays of discharge holes adjacent and offset from each other.
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: January 19, 1999
    Assignee: Todd Combustion
    Inventors: Edmund S. Schindler, John P. Guarco
  • Patent number: 5826798
    Abstract: An apparatus and process in which an atomizer is provided with an array of discharge holes located a distance from the atomizer whirling chamber greater than 400/512 times the radius of the whirling chamber.
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: October 27, 1998
    Assignee: Todd Combustion
    Inventors: Edmund S. Schindler, John P. Guarco