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. 11, 1994
Filed:
Aug. 18, 1993
Applicant:
Inventors:
Toshihiro Kayahara, Matsuyama, JP;
Osamu Tanaka, Matsuyama, JP;
Akinori Kawakami, Matsuyama, JP;
Tetsushi Nakai, Matsuyama, JP;
Kazuhiro Ikeda, Matsuyama, JP;
Assignee:
Miura Co., Ltd., Ehime, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
122 18 ; 122 14 ; 1223673 ;
Abstract
A combustion flame is distributed so as to cross a group of heat absorbing tubes arranged parallel to and spaced from one another, thereby cooling the combustion flame. A specific temperature zone of approximately 1000.degree. C.-1300.degree. C. for suppressing generation of NO.sub.x and accelerating oxidation of CO is locally formed within the heat absorbing tubes by decimating at least one tube. In the zone, CO generated upstream of the zone is oxidized by reacting with reaction radicals generated by combustion and/or oxygen.