SUPERCHARGER

WIPO Patent Application WO/2022/113619

A1

This supercharger 1 comprises a turbine housing 11 which houses a turbine rotor 12, a bearing housing 3 which rotatably supports a rotation shaft 2 to which the turbine rotor 12 is fixed, a variable capacity mechanism 30 which is housed in the turbine housing 11 and which surrounds the turbine rotor 12 and guides fluid to the turbine rotor 12, and a spring member 5 which is held from both sides in the axial direction along the rotation shaft 2 by the variable capacity mechanism 30 and the bearing housing 3. The variable capacity mechanism 30 comprises an inner peripheral part 35 which surrounds a through hole 30h where the turbine rotor 12 or the rotation shaft 2 is disposed, and an outer peripheral part 36 which is at a greater distance from the rotation shaft axis AX of the rotation shaft 2 in comparison to the inner peripheral part 35. The outer peripheral part 36 includes a first end surface 36a in contact with the spring member 5, and a second end surface 36b located on the rear side of the first end surface 36a and in contact with the turbine housing 11.

WO/2013/025386	BEARING HOUSING OF AN EXHAUST-GAS TURBOCHARGER
JP5531159	Exhaust gas turbocharger
JP5421057	Supercharger

ASAKAWA TAKAO (JP)

PCT/JP2021/039683

June 02, 2022

October 27, 2021

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IHI CORP (JP)

F02B39/00; F01D17/16; F01D25/24; F02B37/24

WO2020001805A1

2020-01-02

US20110038742A1	2011-02-17
JP2009062840A	2009-03-26
DE102009007663A1	2010-08-12
JP2004132367A	2004-04-30

HASEGAWA Yoshiki et al. (JP)

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