| 摘要 |
A refrigeration apparatus including a refrigeration cycle 100 including a compressor 101, a condenser 102, an expansion valve 103, and an evaporator 104 sequentially connected by pipes so that refrigerant circulates therein, an expansion tank 107 to collect the refrigerant and decreases a pressure of the refrigeration cycle 100, an oil return pipe 108 to return the refrigerant collected in the expansion tank 107 and oil stagnating in the expansion tank 107 to the refrigeration cycle 100, and a regulating valve 106 disposed in the oil return pipe 108 and configured to open and close to control a flow of the refrigerant, wherein the oil return pipe 108 connects a suction side of the compressor 101 and a lower part of the expansion tank 107. |
