Development of Large Capacity CO2 Scroll Compressor

CO2 refrigerant with a high operating pressure has a large difference between the suction and discharge pressures in compressors. Because of a load increase, the high performance and high reliability of compressors are required. Compared to the scroll compressor employing the conventional refrigerant, the thrust load increases in the CO2 scroll compressor. Therefore the design of thrust bearing is needed to be altered. We secure the area of the thrust bearing, causing of changing the structure of the compressor. It is the newly thrust bearing structure, considering deformation of thrust bearing.