FIELD: engines and pumps.
SUBSTANCE: proposed compressor serves to compress coolant in refrigerating unit. Is comprises chamber (20) housing piston (23) moving therein, and valves (26, 27) arranged between chamber (20) and suction (24) or delivery (25) line. Valve sealing elements (29) are arranged on valve moving parts and coated with durability higher than that of said moving parts. Note here that said coat represents a ceramic layer formed by surface transformation of valve moving part material.
EFFECT: new type of compressor.
6 cl, 2 dwg
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