TRANSCRITICAL AIR CONDITIONING CIRCUIT WITH INTEGRATED EXPANSION VESSEL

摘要

Air conditioning device (1) with transcritical operating cycle, the device comprising a circuit (4) conveying a refrigerant (5) and successively connecting: - the outlet (6) of a compressor (7); - a gas cooler (8); - the cold circuit (9) of an intermediate cooler (10); - an expansion valve (11); - a second exchanger (12) having a volume (31; 71) for the circulation of a coolant (21) in a heat-exchange relationship with the refrigerant (5); - the inlet (13) of the warm circuit (14) of the intermediate cooler (10); the air conditioning device (1) being characterized in that the second exchanger of type (12) comprises an expansion volume for the coolant (21).