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:
Mar. 04, 2014
Filed:
Sep. 02, 2009
Bruce E. Cain, Akron, OH (US);
Thomas F. Robertson, Medina Township, OH (US);
John J. Nowakowski, Valley View, OH (US);
Bruce E. Cain, Akron, OH (US);
Thomas F. Robertson, Medina Township, OH (US);
John J. Nowakowski, Valley View, OH (US);
Fives North American Combustion, Inc., Cleveland, OH (US);
Abstract
A NOx suppression apparatus is configured for use with a burner that injects fuel into a stream of process air flowing into and through a rotary kiln. The apparatus comprises a premix injection system that forms a premix of fuel gas and air, and injects the premix into the stream of process air upstream of the burner port. This enables premix products of combustion to suppress the production of NOx by vitiating a combustion air portion of the process air before the combustion air portion combusts with fuel injected from the burner port.