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. 16, 2004
Filed:
Dec. 20, 2000
Applicant:
Inventors:
Satoshi Nagayama, Tokyo, JP;
Shin Shizukuishi, Tokyo, JP;
Assignee:
Tokyo Gas Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F23N / ;
U.S. Cl.
CPC ...
F23N / ;
Abstract
Provision of a low-NOx burner allowed to further reduce NOx only by structural design of the burner in comparison with prior art. The low-NOx burner comprises a main nozzle for injecting a premixture formed by mixing fuel and an oxidizer, and a secondary flame-holding nozzle A for making a premixture or an oxidizer impinge on the premixture injected from the main nozzle , in a direction at an approximately right angle to the injection direction of the main nozzle