Development of High Efficiency Swing Compressor for R32 Refrigerant  

作　　者：Yuuichi Yamamoto Takehiro Kanayama Kenichi Yuasa Hideki Matsua 

机构地区：[1]Compressor Development and Engineering Group, Daikin Industries, Ltd., Shiga 525-8526, Japan [2]Compressor Development and Engineering Group, Daikin Industries, Ltd., Osaka 592-8331, Japan

出　　处：《Journal of Energy and Power Engineering》2015年第2期161-165,共5页能源与动力工程（美国大卫英文）

摘　　要：In the age of global warming, energy saving features and overall reduction of environmental impact are critical components that must be addressed when developing new HVAC （heating ventilation and air conditioning） units. We chose R32 refrigerant, with its lower LCCP （life cycle climate performance） as a more sustainable choice than R410A. However, R32 has its drawbacks. Due to its smaller molecular weight, internal leakage loss is higher for R32. Moreover, high discharge gas temperature decreases the reliability of the compressor, and makes a large overheating loss increase. In this study, we will describe the technologies （reducing the piston pressurizing force, heat-insulating structure, optimizing the port diameter） that were developed to overcome these drawbacks. We will also oresent the performance and reliability of the newly develoned high efficiency swing, comnressor series for R32 refrigerant.

关 键 词：GWP（global warming potential） R32 refrigerant rotary compressor swing type compressor discharge gas temperature. 

分 类 号：TB611[一般工业技术—制冷工程] TB64