MULTI-STAGE COOLING SYSTEM
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Aug 12, 2024
filing date -
Aug 12, 2024
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Abstract
A multi-stage cooling system includes a pressure-resistant container and a parallel-mode cooling device that is at least partially arranged in the pressure-resistant container. The pressure-resistant container can store a dry gas therein that has a dew point temperature being less than −10° C. and that has a pressure being greater than 1 atm. The parallel-mode cooling device includes two heat exchangers immersed in the dry gas. The two heat exchangers respectively have a first cooling critical value and a second cooling critical value that is less than the first cooling critical value. The parallel-mode cooling device is configured to reduce a temperature of the dry gas to the first cooling critical value through one of the two heat exchangers having a lower operation power, and then further to reduce the temperature of the dry gas through another one of the two heat exchangers having a higher operation power.
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