FIELD: engines and pumps.
SUBSTANCE: unit includes compressor comprising the shaft with blades, which is installed in the housing on bearings, and gas dynamic seals installed on the shaft, and actuator connected by means of connecting element to compressor shaft. Actuator is located outside the housing. One of gas dynamic seals is located between bearing and connecting element. Gas supply channels to bearings are connected at least to one suction branch pipe, and impellers are installed on rotary part of bearings.
EFFECT: avoiding the problems related to use of electric motors in designs of compressor units; avoiding additional cooling circuits and costs on their arrangement.
3 cl, 1 dwg
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