FIELD: refrigerating engineering; positive-displacement machines. SUBSTANCE: vanes are made in form of cylindrical separators with rounded off end faces arranged in rotor parallel to axis of rotation between end faces rings with shaped grooves. Made on end face surface of rotor at compression side on radius of axes of holes is circular projection rounded off in profile section with radius coinciding with radius of rounding off of separators. EFFECT: enlarged operating capabilities. 7 dwg
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|---|---|---|---|
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