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    • 10. 发明申请
    • DUAL EVAPORATOR DEFROST SYSTEM FOR AN APPLIANCE
    • 用于器具的双蒸发器除霜系统
    • US20110011109A1
    • 2011-01-20
    • US12503984
    • 2009-07-16
    • Alexander RafalovichTimothy Allen Hamel
    • Alexander RafalovichTimothy Allen Hamel
    • F25D21/06F25D13/02F25B1/00F25B7/00
    • F25B5/02F25B47/022F25B2400/0403F25B2600/2501F25D11/022F25D2323/021
    • An appliance includes a compression stage, a condensation stage, and an evaporation stage. The evaporation stage includes a first evaporator for a first refrigerated enclosure and a second evaporator for a second refrigerated enclosure. A first valve in a condensation stage bypass line is openable to allow a supply of refrigerant to bypass the condensation stage during a defrost mode, where a condensation stage bypass line is positioned between an output of the compression stage and the second evaporator. A second valve is positioned in a line from the second evaporator to the input to the compression stage and is closeable to block a supply of refrigerant from the second evaporator to the compression stage during the defrost mode. An additional line positioned between the second evaporator and the first evaporator carries the supply of refrigerant from the second evaporator to the first evaporator in the defrost mode.
    • 器具包括压缩级,冷凝级和蒸发级。 蒸发阶段包括用于第一冷藏室的第一蒸发器和用于第二冷藏室的第二蒸发器。 冷凝段旁路管路中的第一阀可打开,以允许在除霜模式期间供应制冷剂旁路冷凝级,其中冷凝级旁通管线位于压缩级的输出端和第二蒸发器之间。 第二阀定位在从第二蒸发器到输入到压缩级的管线中,并且在除霜模式期间可以将制冷剂从第二蒸发器供应到压缩级可被封闭。 位于第二蒸发器和第一蒸发器之间的附加管线在除霜模式下运送从第二蒸发器供应制冷剂至第一蒸发器。