A household appliance for freezing, cold storage articles and making cold drinks. Mainly refrigerators, freezers, cold drink machine, ice cream machine, ice machine etc.. According to the refrigeration way, there are mainly compression refrigeration, absorption refrigeration and thermoelectric refrigeration (also known as semiconductor refrigeration) and so on. Compression refrigeration is the use of compressor in the closed system of gaseous refrigerant compressor, refrigerant in the circulating flow through condensation, drying, filtration, expansion, evaporation, to achieve the function of refrigeration. It can be used as a motor or an electromagnetic oscillation as a power.
