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    • 5. 发明申请
    • CHILLER
    • US20130061628A1
    • 2013-03-14
    • US13580812
    • 2010-06-10
    • Jung Wook Moon
    • Jung Wook Moon
    • F25B41/00
    • F28D7/06F25B31/004F25B39/02F25B2339/0242F28F2265/18
    • According to the present invention, a chiller comprises: a compressor configured to compress a refrigerant; a condenser configured to condense the refrigerant compressed by the compressor; an expander configured to expand the refrigerant condensed by the condenser; and an evaporator in which the refrigerant expanded by the expander cools cold water. The evaporator comprises: a shell comprising a space therein through which the refrigerant passes; an inner tube through which cold water passes and disposed such that the cold water exchanges heat with the refrigerant; and an oil overflow member disposed in the shell and defining an oil passage between the oil overflow member and the shell such that the oil overflow into the oil passage and then flows toward a lower inner portion of the shell along the oil passage. Since the maximum height of oil in the shell can be controlled, a gaseous refrigerant can be quickly absorbed into the compressor to prevent deterioration in performance stemming from an excessive height of an oil foaming layer.
    • 根据本发明,一种制冷机包括:压缩机,其构造成压缩制冷剂; 冷凝器,其构造成冷凝由压缩机压缩的制冷剂; 膨胀机构造成膨胀由冷凝器冷凝的制冷剂; 以及由膨胀机膨胀的制冷剂冷却冷水的蒸发器。 蒸发器包括:壳体,其中制冷剂通过该空间; 冷水通过并布置成使得冷水与制冷剂交换热量的内管; 以及油溢流部件,其设置在所述壳体中并且在所述油溢流部件与所述壳体之间形成油路,使得所述油溢流到所述油路中,然后沿着所述油路向壳体的下部内部流动。 由于能够控制壳体中的油的最大高度,所以可以将气态制冷剂快速吸收到压缩机中,以防止由油发泡层的过高引起的性能下降。