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:
Apr. 20, 2021

Filed:

Dec. 20, 2018
Applicant:

Doosan Heavy Industries & Construction Co., Ltd., Changwon-si, KR;

Inventors:

Yunyoung Doh, Changwon-si, KR;

Muhwan Chon, Changwon-si, KR;

Borys Shershnyov, Changwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23R 3/28 (2006.01); F23C 7/00 (2006.01); F23R 3/14 (2006.01); F23R 3/60 (2006.01);
U.S. Cl.
CPC ...
F23R 3/286 (2013.01); F23C 7/004 (2013.01); F23R 3/14 (2013.01); F23R 3/60 (2013.01); F23C 2900/07001 (2013.01);
Abstract

A nozzle, a combustor, and a gas turbine are capable of uniformly pre-mixing fuel and air. The nozzle includes an integrated swirler comprising an inner tube configured to provide a first pre-mixing passage through which pre-mixed air flows, an outer tube configured to partially enclose the inner tube and form an outer fuel passage through which fuel flows, and a plurality of vanes coupled with the outer tube, each vane having an exhaust hole through which fuel exits; a fuel injector including an inner fuel passage through which fuel flows and being configured to be inserted into the inner tube of the integrated swirler; and a peg having an outer surface in which are formed a plurality of injection holes communicating with the inner fuel passage, the injection holes configured to inject the fuel of the inner fuel passage into the first pre-mixing passage.


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