To reduce axial vibration and noise by inhibiting self-excited oscillation of oil whip or oil whirl even if a motor is arranged outside of a bearing and overhang quantity increases.
A hollow cylindrical turbine side bearing metal 30a and a compressor side bearing metal 30b having outer circumference surface thereof fitted in a bearing hole 16a of a bearing housing 16 with a gap and having a turbine shaft 1 rotatably supported an inner circumference surface thereof, and a bearing locking member 32 retaining the turbine side bearing metal and the compressor side bearing metal movably in a radial direction of the turbine shaft and obstructing movement thereof in an axial direction and a rotational direction. An inner circumference surface and/or an outer circumference surface of the bearing metal 30b is constructed in a non-circular bearing.
KOBAYASHI MASAO
MIZUHASHI SUSUMU
| JP2002349277A | 2002-12-04 | |||
| JP2002070570A | 2002-03-08 | |||
| JPH01193409A | 1989-08-03 |
Yasuharu Nakasone
Toshihiro Nomura
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