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Compressor innovation - part load performance single screw compressors - asymmetric unloading
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Compressor innovation - part load performance single screw compressors - asymmetric unloading
The paper gives an out line of the Single Screw compressor which has been successfully applied to the Refrigeration and Air Conditioning Industries since their commercial development in the 1970’s. It presents a mechanism which is unique in that its consists of two parallel compression processes. Capacity control of the machine is achieved by varying the timing and period of both compression mechanisms. Traditional designs typically couple the control of the two compression processes, to provide a capacity range of 25-100%, by de-coupling the two mechanisms and allowing independent operation a new performance chacterteristic is produced. This new machine, the “asymmetric” compressor offers improved part load efficiencies, and the opportunity to cost effectively meet rising ESEER standards.
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