FIELD: machine building.
SUBSTANCE: proposed compressor comprises housing 5 with central chamber for screw rotors 3, 4. Low- and high-pressure chambers adjoins said central chamber while extreme parts accommodate bearings 19, 20 and driven screw case arranged between inner wall of housing 5 and rotors 3, 4. Screw case 9 is furnished with cover 20 arranged inside compressor housing 5 to displace relative to screw case 9.
EFFECT: higher efficiency and reliability, reduced power consumption.
11 cl, 7 dwg
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