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. 01, 1991
Filed:
Jan. 22, 1991
Applicant:
Inventor:
Bernard Becker, Mulheim/Ruhr, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F23M / ;
U.S. Cl.
CPC ...
431 10 ; 431352 ; 60732 ;
Abstract
Two-stage combustion of nitrogen-containing gas with low NO.sub.x emissions, in a combustion chamber, wherein first, pre-combustion is performed in a primary stage at an air number of approximately .lambda.=0.6 to 0.9 and subsequently post-combustion is performed in a secondary stage at an air number of approximately .lambda.=1.3 to 2, characterized in that in the primary stage, an inert substance is supplied via a multiplicity of openings in the walls of the primary stage, which substance cools the walls and keeps the combustion zone remote from the walls.