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 6464492 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 15, 2002

Filed:

Apr. 26, 2001
Applicant:
Inventors:

John P. Guarco, Wolcott, CT (US);

Andrew S. Barrieau, Guilford, CT (US);

Lev M. Tsirulnikov, Brooklyn, NY (US);

Assignee:

John Zink Company, LLC, Tulsa, OK (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23J 1/502 ;
U.S. Cl.
CPC ...
F23J 1/502 ;
Abstract

The present invention provides improved methods of reducing NO 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air burner and including a steam drum provided with make-up water from which produced steam and blowdown steam are withdrawn.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.


Find Patent Forward Citations

Guarco, John. (2002). Methods of utilizing boiler blowdown for reducing nox (U.S. Patent No. 6464492). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6464492

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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