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Mode change design for capacity modulation in reciprocating compressor

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Abstract

Due to environmental issues, the development of low energy consumption products has become one of the main topics in the home appliance industry. The energy consumption of a refrigerator depends on the efficiency of its compressor as well as on the refrigerator cycle design, such as the capacity modulation. This study features the design of a novel capacity modulation reciprocating compressor, i.e., two-step capacity modulation (TCM). In a TCM compressor, capacity modulation is achieved by changing the dead volume in the cylinder. Instead of a concentric sleeve, an eccentric sleeve is used to change the dead volume for the clockwise and counterclockwise rotation of a motor. For stable capacity modulation, a new latching system with a key, a spring, and an eccentric sleeve is introduced, and the mode change reliability is verified by dynamic analysis.

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Correspondence to Jong-Bong Kim.

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Bae, Y.J., Kim, JB., Kim, J.K. et al. Mode change design for capacity modulation in reciprocating compressor. J Mech Sci Technol 22, 1391–1399 (2008). https://doi.org/10.1007/s12206-008-0412-y

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  • DOI: https://doi.org/10.1007/s12206-008-0412-y

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