FIELD: machine building.
SUBSTANCE: proposed centrifugal compressor contains a housing (41), at least one impeller (21), which is rotatably mounted in the housing, and comprising a hub (23), top plate (25) and the front part (31), and sealing device (39) of the impeller inlet part, intended to ensure the seal of the impeller in front part. A centrifugal compressor additionally contains at least one channel (53) for the cooling medium, which is located in specified sealing device, and disposed with providing cooling surroundings around the inlet part of the impeller.
EFFECT: invention aims to increase the life of the compressor.
24 cl, 7 dwg
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