The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8926317 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 06, 2015

Filed:

Dec. 14, 2009
Applicants:

John T. Farrell, High Ridge, NJ (US);

San Chhotray, Centerville, VA (US);

Gary T. Dobbs, Fairfax, VA (US);

Manuel S. Alvarez, Warrenton, VA (US);

Patrick D. Schweitzer, Broad Run, VA (US);

Inventors:

John T. Farrell, High Ridge, NJ (US);

San Chhotray, Centerville, VA (US);

Gary T. Dobbs, Fairfax, VA (US);

Manuel S. Alvarez, Warrenton, VA (US);

Patrick D. Schweitzer, Broad Run, VA (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23J 7/00 (2006.01); F23N 5/16 (2006.01); F23N 5/18 (2006.01); F23N 1/02 (2006.01); F23M 3/04 (2006.01);
U.S. Cl.
CPC ...
F22N 5/08 (2013.01); F23N 5/16 (2013.01); F23N 5/18 (2013.01); F23L 2900/07003 (2013.01); F23N 2029/20 (2013.01);
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.


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