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. 21, 2000
Filed:
Jan. 30, 1997
Applicant:
Inventor:
Norikazu Kubota, Gunma-ken, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka-fu, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23M / ; F23L / ; F23J / ; F24H / ;
U.S. Cl.
CPC ...
431-9 ; 431115 ; 431116 ; 110345 ; 1261 / ;
Abstract
A low NOx burner having a burner body, to which an electric fan for supplying air for combustion is connected and which includes an exhaust gas recirculation passage for supplying combustion gas from the burner body to air for combustion, the low NOx burner including an exclusive exhaust-gas recirculation fan provided for the exhaust gas recirculation passage and arranged to forcibly recirculate exhaust gas, and a bypass passage formed between the exhaust gas recirculation passage and a passage for air for combustion formed in the burner body.