| 摘要 |
Provided is a refrigeration device capable of stable operation over a long period of time, and preventing damage to the interior of a refrigeration unit and a decline in performance of the refrigeration cycle through capture of polymers (8), the refrigeration device being characterized in that: a refrigerant containing as a base component a hydrofluoroolefin having a carbon-carbon double bond or a mixed refrigerant comprising a refrigerant is used as a working fluid; a refrigeration cycle for circulating the working fluid is formed by connecting a compressor (1), a condensation means (2), an expansion mechanism (3), and an evaporation means (4) in the stated order in an annular configuration over a circulation path (5); the compressor (1) has a compression mechanism (13) for suctioning working fluid through an intake port (9) and compressing the fluid in a sealed container (11) providing with the intake port (9) and a discharge port (10); refrigeration device oil is sealed within the interior of the sealed container (11); and at least one means for capturing foreign matter (6) is provided in the compressor (1). |
