| 摘要 |
PROBLEM TO BE SOLVED: To enable stable operation and to elongate a service life of a hydraulic machine having a hub with different mass distribution in a longitudinal direction, especially a runner for a radial compressor, with a compact structure. SOLUTION: An attenuation body 8 is arranged on a hub 4 at its side having larger mass within a terminal ranges without a fastening band, for filling a clearance between a hole of the hub 4 and a circumference of a shaft 2. |
