co2 refrigeration circuit with underku00f8ling of the liquid refrigerant in the receiver flashgassen and approach to the operation of this

摘要

It includes one heat-refusal heat exchanger (4), intermediate throttle valve (6), receiver (8), evaporator throttle valve (10), evaporator (14), compressor (20) and flash gas tapping line (26) that refrigerant, which is circulated in a predetermined flow direction,. Flash gas tapping line is connected to receiver and compressor. One independent claims further include a refrigeration circuit mode of operation.