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:
Feb. 03, 2015
Filed:
Dec. 15, 2009
Kuniaki Okada, Hiroshima, JP;
Munehiro Ishioka, Hiroshima, JP;
Hitoshi Oishi, Hiroshima, JP;
Tatsuya Shimada, Kanagawa, JP;
Koichi Takashi, Kanagawa, JP;
Yutaka Suzukawa, Tokyo, JP;
Yoshiki Fujii, Kanagawa, JP;
Takamitsu Kusada, Kanagawa, JP;
Kuniaki Okada, Hiroshima, JP;
Munehiro Ishioka, Hiroshima, JP;
Hitoshi Oishi, Hiroshima, JP;
Tatsuya Shimada, Kanagawa, JP;
Koichi Takashi, Kanagawa, JP;
Yutaka Suzukawa, Tokyo, JP;
Yoshiki Fujii, Kanagawa, JP;
Takamitsu Kusada, Kanagawa, JP;
JFE Steel Corporation, Tokyo, JP;
Abstract
A tubular combustion chamber including a tubular combustion chamber whose front-end is open; and, fuel-gas spraying nozzles and oxygen-containing-gas spraying nozzles, for spraying a fuel and an oxygen-containing-gas separately and individually, or for spraying a premixed gas; wherein respective orifices of the respective nozzles face toward an inner surface of the combustion chamber, so as to spray the fuel-gas and the oxygen-containing-gas in a neighborhood of a tangential direction of an inner circumferential wall of the combustion chamber; wherein the tubular flame burner is a multi-stage tubular burner that is unified in a body, by using a plurality of the tubular flame burners, and by connecting the front-end of the tubular flame burner with a smaller inner diameter of the combustion chamber into the rear-end of the tubular flame burner with a greater inner diameter of the combustion chamber.