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:
Dec. 02, 2025

Filed:

Jan. 17, 2025
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Hiroaki Nagahashi, Tokyo, JP;

Akinori Hayashi, Tokyo, JP;

Hiromi Koizumi, Tokyo, JP;

Tomo Kawakami, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 9/28 (2006.01); F02C 7/057 (2006.01); F02C 7/22 (2006.01); F02C 9/26 (2006.01); F02C 9/40 (2006.01); F02C 9/48 (2006.01); F02C 9/52 (2006.01); F02C 9/54 (2006.01);
U.S. Cl.
CPC ...
F02C 9/28 (2013.01); F02C 7/057 (2013.01); F02C 7/22 (2013.01); F02C 9/263 (2013.01); F02C 9/40 (2013.01); F02C 9/48 (2013.01); F02C 9/52 (2013.01); F02C 9/54 (2013.01);
Abstract

An operation method for a gas turbine according to at least one embodiment of the present disclosure is an operation method for a gas turbine, including: a step of increasing a co-firing ratio of first fuel the co-firing ratio of which is to be increased and second fuel different from the first fuel. The step of increasing the co-firing ratio includes changing at least either of a turbine inlet temperature or a change rate of the co-firing ratio based on information regarding a relationship between the turbine inlet temperature and the co-firing ratio.


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