UNIT AMMONIA REFRIGERANT UNIT WITH EVAPORATIVE CONDENSER, CHARGED WITH A LITTLE AMOUNT OF REFRIGERANT Russian patent published in 2021 - IPC F24F1/46 F25B39/04 

FIELD: refrigeration units.

SUBSTANCE: packaged liquid transfer ammonia recirculation refrigeration unit is equipped with an evaporative condenser and is charged with 10 lb or less refrigerant per ton of refrigeration. The liquid-vapor separator, the compressor, the high pressure side throttling device, the receiving tank and the low pressure side throttling device are located in the discharge chamber of the refrigerant evaporative condenser. The capacious reception tanks of the prior art can be replaced with a single-phase or two-phase cyclone separator, which is also located in the discharge chamber of the evaporative condenser. EFFECT: providing additional cooling and possibility of a general one, rather than separate access to working elements of the cooler.

19 cl, 15 dwg