| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rotary member installing structure, a rotary machine adopting this installing structure, and a centrifugal compressor, capable of restraining a rotary member from floating from a rotary shaft by centrifugal force, in the rotary machine for rotating the rotary member installed on the rotary shaft at a high speed together with the rotary shaft. <P>SOLUTION: An impeller installing structure is provided for installing impellers on the rotary shaft 3 in the centrifugal compressor for installing a plurality of impellers by inserting the rotary shaft 3, and is characterized in that a rear end part 41A of the front stage impeller 41 and a front end part 42A of the rear stage impeller 42 are connected by a connecting member 11, and the connecting member 11 has a first engaging part 11A engaging with the rear end part 41A and a second engaging part 11B engaging with the front end part 42A, and outward force in the radial direction generated in the rear end part 41A can be converted into inward force in the radial direction of the front end part 42A. <P>COPYRIGHT: (C)2010,JPO&INPIT |
