REFRIGERATING UNIT Russian patent published in 1994 - IPC

FIELD: refrigerating engineering. SUBSTANCE: refrigerating unit has compressor 1, condenser 2, filter-drier 3, evaporators 6, 7, 8 of freezing and refrigerating chambers, three capillary tubes 5, 10, 11 and two shutoff valves 4 and 9. Shutoff valve 4 is connected at inlet to condenser through filter-drier and at outlet to evaporator through capillary tube 5. Shutoff valve 9 is connected at inlet to condenser between its inlet and outlet and at outlet, through capillary tube 10, to outlet of shutoff valve 4. Capillary tube 11 is connected at inlet to condenser between its inlet and place of connection of valve 9 and at outlet, to outlet of valve 9. EFFECT: enhanced operation reliability. 1 dwg