CRYOGENIC COOLING SYSTEM WITH TEMPERATURE-DEPENDENT THERMAL SHUNT Russian patent published in 2019 - IPC F25B9/10 F25D19/00 F25B9/14 

FIELD: refrigerating equipment.

SUBSTANCE: cryogenic cooling system (10), including cryostat (12), two-stage cryogenic cooling head (24) and at least one thermally binding element (136; 236; 336; 436), which is configured to provide at least part of heat transfer path (138, 238, 338, 438) from second stage element (30) to element (26) of first stage of two-stage cryogenic cooling head (24). Heat transfer path (138; 238; 338; 438) is arranged outside cooling head (24). Thermal resistance of the provided at least part of the heat transfer path (138; 238; 338; 438) at the second cryogenic temperature is higher than the thermal resistance of the provided at least part of the heat transfer path (138; 238; 338; 438) at the first cryogenic temperature.

EFFECT: high efficiency and shorter cooling time from ambient temperatures to cryogenic temperatures.

12 cl, 6 dwg