| 摘要 |
A refrigeration system including a positive displacement rotary screw compressor, a condenser, an evaporator, an oil cooler and an oil separator including a sump connected in the compressor discharge line. A pump for circulating oil from the sump through the oil cooler to the compressor and a liquid refrigerant bypass circuit including a pump for supplying liquid refrigerant under pressure in heat exchange relation with the lubricating oil in the oil cooler. The refrigerant discharged from the oil cooler is directed through a desuperheating coil in the oil separator.
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