TURBO COMPRESSOR AND TURBO REFRIGERATOR

摘要

A turbo compressor (5) includes: a compressor casing (20a) which accommodates impellers (13,14) compressing gas by rotation; and a motor casing (20b) which accommodates a motor (10) rotating the impellers, wherein the motor casing (20b) has a cylindrical main body part (43) having a larger diameter than a mounting flange (40) provided in the compressor casing (20a), and the compressor casing (20a) and the motor casing (20b) are connected through an adapter member (60).