Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.

Wataru Murono

Masahiro Yamada

Takashi Arai

Hideki Yamaguchi

Taiji Torigoe

Daigo Watanabe

Yuya Konno

Kazuya Takeda

Ryohei Konno

Aki Inoue

A method of manufacturing a casing of a turbocharger includes: a steam treatment step of subjecting at least one of a turbine housing and a bearing housing to a steam treatment to form an oxide film on the at least one of the turbine housing and the bearing housing before assembling the turbine housing, the bearing housing and a compressor housing; and an assembling step of assembling the turbine housing, the bearing housing and the compressor housing.

Method of manufacturing casing of turbocharger and casing of turbocharger

An impeller for a rotary machine includes a base material of the impeller made of Al or an Al alloy. A surface layer for the impeller is formed by an electroless plating layer with a Ni&#x2014;P based alloy and an under layer disposed between the base material and the surface layer, the under layer having a smaller Vickers hardness than the surface layer.

Impeller for rotary machine, compressor, supercharger, and method for producing impeller for rotary machine

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Tokyo, Japan

Wataru Murono