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:
May. 31, 1994
Filed:
Jun. 07, 1993
Applicant:
Inventors:
Richard C Vetterick, Akron, OH (US);
Donald C Langley, North Canton, OH (US);
Assignee:
The Babcock & Wilcox Company, New Orleans, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23J / ;
U.S. Cl.
CPC ...
110345 ;
Abstract
An apparatus and method including a conduit with a nozzle for injecting NO.sub.x inhibiting reagent into an appropriate temperature window in the flue gas of a package, utility, or industrial type boiler to reduce emissions of NO.sub.x. A sensor mounted adjacent the nozzle to measure the flue gas temperature thereby locating the appropriate temperature window, and a controlled drive for moving the nozzle to the temperature window.