Turbine rotor blade and contact surface manufacturing method

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United States of America

PATENT NO 11946389
SERIAL NO

17431827

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Abstract

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A turbine rotor blade includes a blade body and a tip shroud on a tip of the blade body. The tip shroud has a contact block configured to face a tip shroud of an adjacent turbine rotor blade, and the contact block includes a base material, an oxidation resistant coating on the surface of the base material, and a hard wear resistant coating on the surface of the oxidation resistant coating.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES LTD2-3 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 100-8332

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mega, Masahiko Tokyo, JP 30 198
Okajima, Yoshifumi Tokyo, JP 29 276
Torigoe, Taiji Tokyo, JP 55 242

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