The invention relates to the technical field of compressors, and provides an air cylinder
assembly, a manufacturing method of the air cylinder
assembly, a
rotary compressor and a manufacturing method of the
rotary compressor. The air cylinder
assembly comprises an annular cylinder body and a
heat pipe assembly. A compression cavity is formed in the inner circumference of the annular cylinder body. The
heat pipe assembly partially extends into the annular cylinder body and extends in the annular cylinder body, and an
evaporation section which is embedded in the annular cylinder body and at least partially wraps the compression cavity and a condensation section which extends out of the periphery of the annular cylinder body are formed. By means of the
modes that the
evaporation section is embedded in the annular cylinder body and at least partially wraps the compression cavity, and the condensation section extends out of the periphery of the annular cylinder body, the compression heat in the annular cylinder body is discharged in time through the ultra-
high heat conduction capacity of the
heat pipe assembly, the temperature of the air cylinder assembly is reduced, the indication efficiency of the compressor is improved, air suction heating can also be reduced, the air suction
specific volume can be reduced, the volume efficiency can be improved, and therefore the energy efficiency of the compressor is improved. The temperature reduction of the air cylinder assembly can further reduce the temperature of a motor, improve the efficiency of the motor, also improve the temperature field of the whole
machine, and prolong the service life of each part.