FIELD: manufacture of compressors; construction of signal-stage or multistage compressors. SUBSTANCE: compressor has one or several compression stages; each stage is provided with impeller, blade diffuser whose blades are oriented in direction of impeller, collecting chamber with tangential outlet branch pipe located tangentially and oppositely to sense of rotation of impeller. All these components are located in housing in way of flow. EFFECT: enhanced reliability. 20 cl, 14 dwg
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