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.:
Date of Patent:
Oct. 05, 1999
Filed:
Dec. 04, 1996
Applicant:
Inventors:
Richard C Vetterick, Akron, OH (US);
Clifford F Eckhart, Damascus, OH (US);
John V Koslosky, Akron, OH (US);
Assignee:
The Babcock & Wilcox Company, New Orleans, LA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F23D / ;
U.S. Cl.
CPC ...
431350 ; 431354 ;
Abstract
A burner apparatus useful in steam producing or waste heat boilers. The apparatus includes a fuel delivery means placed between two airfoils that define an elongated venturi throat. The airfoils may be provided with a plurality of perforations to allow a secondary gas (ambient air and/or spent flue gas) to be supplied to the venturi throat for reducing NO.sub.x production.