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:
Jul. 20, 1999
Filed:
May. 15, 1998
Applicant:
Inventors:
Geoffrey Bruce Tuson, Yorktown Heights, NY (US);
Ronald William Schroeder, Chappaqua, NY (US);
Hisashi Kobayashi, Putnam Valley, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23M / ;
U.S. Cl.
CPC ...
431 10 ; 431-9 ; 431190 ; 432 22 ;
Abstract
An improved staged combustion method useful with oxy-fuel combustion and in a furnace which contains a charge, wherein substoichiometric combustion and secondary oxidant injection are carried out in an orientation which forms a more oxidizing atmosphere proximate the charge surface and oxidizing gas recirculates from the secondary oxidant stream to the charge surface and back to the secondary oxidant stream.