Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd.

Mitsubishi Heavy Industries Limited

Kenji Yagi

Masakazu Kamibayashi

Yukihiro Iwasa

Taiyo Shirakawa

Seita Seki

Tetsuya Matsuo

Masato Yamashita

Taiji Tezuka

Shingo Kanazawa

Yoshikazu Ito

Provided is a supercharge including: an impeller; a scroll casing formed so as to surround the outer circumferential side of the impeller; a bearing casing arranged adjacent to the scroll casing; and coupling part that couples the scroll casing and the bearing casing to each other, the coupling part has a fastening bolt and a fastening bolt, a plurality of through holes are formed spaced apart from each other in the circumferential direction in the bearing casing, the scroll casing and the bearing casing are coupled to each other with a plurality of fastening bolt and a plurality of fastening bolt being inserted in the plurality of through hole, and the fastening bolt has higher tensile strength than the fastening bolt.

Rotary machine and method of repairing rotary machine

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Tokyo, Japan

Kenji Yagi