IMPELLER, AND ROTATING MACHINE PROVIDED WITH SAME

摘要

The present invention is characterized in: being provided with a disc-shaped disc section (30) mounted on a rotating shaft (6), and a blade section (40) provided to a front surface (31), which is one side in the axial direction of the disc section (30); a balance hole (33) for mounting a weight-adjusting weight member (W) being formed in the rear surface (51), which is the other side in the axial direction of the disc section (30); and the weight member (W) being formed in the position at which the blade section (40) is provided in the radial direction.