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:
Apr. 28, 2020
Filed:
Mar. 20, 2015
Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;
Kenta Taniguchi, Yokohama, JP;
Kuniomi Hirano, Yokohama, JP;
Shin Kato, Yokohama, JP;
Yoshikazu Matsumura, Yokohama, JP;
Shingo Sato, Yokohama, JP;
MITSUBISHI HITACHI POWER SYSTEMS, LTD., Kanagawa, JP;
Abstract
A combustor is provided with a combustion liner () in which a combustion gas flows through the inner peripheral side and a plurality of through-holes () are formed, and a sound attenuator () having a space-forming member () configured to form a space (S) connected to the plurality of through-holes () at the outer peripheral side of the combustion liner (). A method of repairing a combustor involves executing: an opening step of opening a portion of the space-forming member () in contact with the outside and bringing the outside and the space (S) in communication with each other; a cylinder repair step of repairing the combustion liner (); a foreign substance removal step of removing foreign substances in the space (S) from the opening () opened in the opening step to the outside, after the cylinder repair step; and a closing step of closing the opening () using a lid (), after the foreign substance removal step.