BEARING STRUCTURE OF ROTARY MACHINE, ROTARY MACHINE, METHOD OF MANUFACTURING BEARING STRUCTURE, AND METHOD OF MANUFACTURING ROTARY MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a bearing structure suppressing instable vibration including self-excited vibration.;SOLUTION: This bearing structure comprises a turbine side bearing 21 and a compressor side bearing 22 each of which is formed of a floating bush type sliding bearing. A clearance (turbine side inner peripheral clearance TI) between the turbine side bearing 21 and a rotating shaft 13 is set larger than a clearance (compressor side inner peripheral clearance CI) between a compressor side bearing 22 and the rotating shaft 13.;COPYRIGHT: (C)2006,JPO&NCIPI