FIELD: mechanical engineering; compressors. SUBSTANCE: screw compressor has at least one driving rotor and at least one driven rotor, both installed in common housing 12. Rotors are installed for relative engagement and are used to displace compressed medium from intake channel 62 to outlet channel. Intake channel 62 is limited by at least one base segment 38, 40, 42, 44 installed for displacement in housing 12. Sealing side 48, 50, 52, 54 of segment pointed to rotors follows the outline of rotor envelopes. At least one base segment 38, 40, 42, 44 is installed in well for movement towards rotor axles 28 in transverse direction. EFFECT: reduced wear in service, increased efficiency, easy to manufacture. 8 cl, 7 dwg
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