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.

Date of Patent:
Aug. 24, 2021

Filed:

Aug. 13, 2018
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Koichi Hirata, Nisshin, JP;

Daisuke Sakuma, Nagoya, JP;

Noriyuki Ueno, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23D 14/20 (2006.01); F23D 14/12 (2006.01); F23D 14/22 (2006.01); F23C 13/00 (2006.01);
U.S. Cl.
CPC ...
F23D 14/20 (2013.01); F23D 14/12 (2013.01); F23D 14/22 (2013.01); F23C 13/00 (2013.01); F23C 2900/9901 (2013.01); F23D 2203/002 (2013.01);
Abstract

The present disclosure provides a nozzle structure for a hydrogen gas burner apparatus capable of reducing an amount of generated NOx. A nozzle structure for a hydrogen gas burner apparatus includes an outer tube and an inner tube concentrically disposed inside the outer tube. The inner tube is disposed so that an oxygen-containing gas is discharged from an opened end of the inner tube in an axial direction of the inner tube. The outer tube extends beyond the opened end of the inner tube in the axial direction of the inner tube so that a hydrogen gas passes through a space between an inner circumferential surface of the outer tube and an outer circumferential surface of the inner tube.


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