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1.前言近几年来,随着冷冻空调器的节能和多用化要求,相对地推动了其机械部件的开发研究。作为冷冻空调器心脏的制冷压缩机也不例外,通过利用现代先进的生产技术、电子技术和计算技术,一直谋求性能和效率的更大提高。于是,在往复、回转、涡旋、螺杆和透平等类型压缩机中,力求提高其性能,并根据不同用途充分利用各自的特点。此外,配备压缩机的冷冻空调机组作为系统应用时,应提高其综合运
1. Introduction In recent years, with the energy-saving and multi-purpose requirements of the freezer air conditioners, it has relatively promoted the development of its mechanical components. Refrigeration compressors, which are the heart of a freezer air conditioner, are no exception and have been seeking ever greater performance and efficiency gains through the use of modern advanced manufacturing, electronic and computing technologies. Thus, reciprocating, rotary, vortex, screw and turbine and other types of compressors, strive to improve its performance, and according to different uses to make full use of their own characteristics. In addition, refrigeration and air conditioning units equipped with compressors as a system application, should enhance its integrated transport