COOLING METHOD Russian patent published in 1997 - IPC

FIELD: refrigerating engineering; in refrigerators for cooling carried cargo, for local cooling of industrial equipment. SUBSTANCE: delivery of air flow to swirl tube inlet is provided in pulsed mode with provision of cold flow which is directed first into accumulating battery and then into self-contained reservoir wherefrom air is taken to deliver it to compressor input. To create oxygen-free atmosphere in self-contained reservoir, gaseous nitrogen from gas medium separator is delivered into reservoir, at this moment, cold flow delivery is stopped. EFFECT: improved cooling. 2 cl, 1 dwg