BALANCE INSPECTION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a balance inspection device capable of protecting a thrust bearing.SOLUTION: A rotational shaft 14 is provided with at least one of thrust bearings 21 and 22 attached in a bearing housing 13 for supporting the rotational shaft 14. A balance inspection device 30 comprises a turbine side jig 34 placed at one side of the bearing housing 13 in a rotational axis H direction for housing a turbine wheel 6, a compressor side jig 35 placed at the other side of the bearing housing 13 in the rotational axis H direction for housing a compressor wheel 7, and a first orifice part 41 provided on a suction channel Pa of the compressor side jig 35 and reducing the cross section of the suction channel Pa.SELECTED DRAWING: Figure 1