Refrigeration apparatus with dry ice occurrence suppression structure
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United States of America
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Mar 24, 2020
Grant Date -
Jun 30, 2016
app pub date -
Mar 4, 2016
filing date -
Mar 4, 2016
priority date (Note) -
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Abstract
A refrigeration apparatus includes: a refrigerant circuit that condenses a refrigerant discharged from a compressor, decompresses the refrigerant with a capillary tube, and causes the refrigerant to evaporate in an evaporator to exhibit a refrigeration effect, wherein, as the refrigerant in the refrigerant circuit, a mixed refrigerant containing a first refrigerant having a boiling point in an ultralow temperature range of not less than −89.0° C. and not more than −78.1° C. and carbon dioxide (R744) is enclosed, and a heater that heats at least a portion of a suction pipe through which the refrigerant that returns from the evaporator to the compressor passes is provided.
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