| 摘要 |
PROBLEM TO BE SOLVED: To enlarge a range of conditions in which refrigerant can be circulated in an evaporator, while maintaining efficiency of a refrigerant circuit, in the refrigerant circuit having an ejector.SOLUTION: A refrigerating device (10) includes: a refrigerant circuit (11) in which a compressor (12), an indoor heat exchanger (13), an ejector (21), and a gas-liquid separator (15) are connected in order and further, an outdoor heat exchanger (17) is provided, and which includes a low pressure refrigerant pipe (20) guiding the gas refrigerant, first intake piping (18) guiding a part of the gas refrigerant, and second intake piping (19) guiding the gas refrigerant of the gas-liquid separator (15) to the second cylinder chamber (12b) of the compressor (12); and a bypass circuit (31) having bypass piping (32) connected to the outlet side of the indoor heat exchanger (13) and the outlet side of the ejector (21) and bypassing the ejector (21), and a bypass expansion valve (33a) adjusting a refrigerant quantity flowing in the bypass piping (32). |
