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    • 4. 发明申请
    • Multiple barrel frozen product dispenser
    • 多桶冷冻产品分配器
    • US20080006050A1
    • 2008-01-10
    • US11803264
    • 2007-05-14
    • David GistKyle ElsomGregory BillmanNikolay PopovSanthosh KumarDaniel Leaver
    • David GistKyle ElsomGregory BillmanNikolay PopovSanthosh KumarDaniel Leaver
    • F25C1/14F25B39/02
    • F25D31/002A23G9/28A23G9/281F25B5/02F25B2341/0661F25B2400/075
    • A frozen product dispenser is characterized by at least two product freeze barrels for receiving product therein and for freezing the product for dispensing, and a refrigeration system for chilling the at least two barrels. The refrigeration system has at least two evaporators for and heat transfer coupled to each barrel, separate and controllable expansion valves each having an outlet coupled to an inlet to an inlet to an associated one of the evaporators, at least two compressors having outlets coupled to inlets to the expansion valves and inlets coupled to outlets from the evaporators, and at least one condenser in fluid circuit between outlets from the compressors and inlets to the expansion valves. The refrigeration system is controllable to selectively operate one or more of the compressors and one or more of the expansion valves in accordance with the cooling requirements of the barrels to provide an improved turndown ratio for improvements in efficiency of operation of the refrigeration system in response to changing cooling load requirements of the product barrels.
    • 冷冻产品分配器的特征在于至少两个用于接收产品的产品冷冻桶和用于冷冻用于分配的产品,以及用于冷冻至少两个桶的制冷系统。 制冷系统具有至少两个蒸发器,其传热耦合到每个筒体,分离和可控制的膨胀阀,每个蒸发器具有连接到相关联的一个蒸发器的入口的入口的出口,至少两个压缩机,其具有与入口相连的出口 连接到从蒸发器的出口耦合的膨胀阀和入口,以及在压缩机和进口到膨胀阀的出口之间的流体回路中的至少一个冷凝器。 制冷系统是可控制的,以根据桶的冷却要求选择性地操作一个或多个压缩机和一个或多个膨胀阀,以提供改进的调节比,以提高制冷系统的运行效率,以响应于 改变产品桶的冷却负荷要求。