| 摘要 |
PROBLEM TO BE SOLVED: To provide a refrigerating cycle capable of further improving a compressing effect by an ejector without needing an oil return mechanism in the refrigerating cycle aiming at improvement in the coefficient of performance by providing the ejector. SOLUTION: The refrigerating cycle 10 comprises a compressor 11; a radiator 12; expanders 13, 15 serving as pressure reducing means for adiabatically expanding a refrigerant which passed the radiator 12; an internal heat exchanger 14 exchanging heat between the refrigerant reduced in pressure by the expander 13 and the refrigerant before reduced in pressure by the expander 15; an evaporator 16 evaporating the refrigerant reduced in pressure by the expander 15, by heat exchange; and the ejector 17 using the refrigerant having passed the expander 13 and internal heat exchanger 14, as a primary fluid of high pressure and the refrigerant having passed the internal heat exchanger 14 and expander 15, as a secondary fluid of low pressure, and mixing the primary and secondary fluids to lead them into the compressor 11. COPYRIGHT: (C)2008,JPO&INPIT |
