| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology for restraining oil leakage from a bearing box, by separately arranging a step structure on a rotary shaft as post-installation. <P>SOLUTION: This rotary machine has the rotary shaft 1 having a rotary body, a bearing device 400 having a rotary shaft insertion hole having a diameter larger than a diameter of the rotary shaft 1, an oil draining part 8 arranged between an outer peripheral part of the rotary shaft insertion hole and the rotary shaft 1, and an additionally arranged ring 9 installed on the rotary shaft 1 so as to project in the radial direction of the rotary shaft 1 between the oil draining part 8 and the rotary shaft 1. <P>COPYRIGHT: (C)2010,JPO&INPIT |
