FIELD: positive-displacement machines or pumps.
SUBSTANCE: compressor comprises hydraulic back-pressure valve, compression chamber connected with the reciprocating supercharger and provided with sucking gas valve, valve for supplying fluid for hydraulic back-pressure valve, and delivery valve. The top section of the chamber is provided with unmovable solid permeable insert made of heat conducting material and metallic balls restricted from bellow by metallic grid. The bottom boundary of the solid insert is mounted at a distance from the top point of the compression chamber which is defined by the position of the hydraulic back-pressure valve table at the moment of opening delivery valve.
EFFECT: enhanced efficiency.
2 cl, 1 dwg
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