The carbon dioxide compressor is a driven fluid machine that lifts low-pressure gas to high-pressure gas, and is the heart of the refrigeration system. It inhales low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through the operation of the motor, and discharges the high-temperature and high-pressure refrigerant gas to the exhaust pipe to provide power for the refrigeration cycle, thereby realizing compression → condensation (heat release). )→expansion→evaporation (endothermic) refrigeration cycle. For more information about the carbon dioxide compressors, please read the following words.