FIELD: machine building.
SUBSTANCE: spiral compressor 1 consists of compression mechanism 15, compressing coolant. Compression mechanism 15 includes fixed spiral 24 and movable spiral 26. Fixed spiral 24 and movable spiral 26 are made of different materials. One of two spirals corresponds to iron ingot made by chill casting of semi-melt, while another spiral corresponds to a cast of grey cast iron.
EFFECT: increased strength and rigidity of compression mechanism at simultaneous elimination of its jamming.
14 cl, 21 dwg
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