FIELD: machine building.
SUBSTANCE: proposed unit 1 comprises compressor 2 and motor 3 arranged preferably in common gastight housing 4. Motor stator is cooled by cooling system 5. Web 41 separates working fluid 6 from cooling fluid 23 in zone of stator 20. Definite ratio between pressures of both said fluids by pressure compensator 53.
EFFECT: decreased mechanical load at web.
17 cl, 7 dwg
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