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    • 10. 发明授权
    • System and method for improved solvent recovery in a dry cleaning device
    • 用于改进干洗装置中溶剂回收的系统和方法
    • US07603878B2
    • 2009-10-20
    • US11263164
    • 2005-10-31
    • Thomas Joseph Fyvie
    • Thomas Joseph Fyvie
    • D06B5/10
    • D06F43/08D06F43/085D06F43/086
    • System and method for improved solvent recovery in a dry cleaning device includes a washer drum, a cleaning basket disposed in the washer drum and configured to receive articles and a solvent based cleaning fluid, a working tank configured to receive the solvent based cleaning fluid used in the washer drum and cleaning basket, an air management mechanism configured to drain cleaning fluid condensate produced from the washer drum and cleaning basket directly into the working tank, and a low mixing pump configured to pump the solvent based cleaning fluid from the cleaning basket to the working tank, the low mixing pump characterized by a Reynolds number of about 15,000 or less, wherein the Reynolds number is determined as a function of one or more properties associated with an impeller of the low mixing pump.
    • 用于改进干洗装置中的溶剂回收的系统和方法包括:洗衣机滚筒;设置在所述清洗滚筒中并构造成容纳物品和基于溶剂的清洁流体的清洗篮;工作罐,其构造成接收用于 洗衣机滚筒和清洁筐,空气管理机构,其构造成将从洗衣机滚筒和清洁筐产生的清洁流体冷凝水直接排入工作罐;以及低混合泵,其构造成将溶剂基清洗流体从清洁筐泵送到 工作罐,低混合泵,其特征在于约15,000或更小的雷诺数,其中雷诺数被确定为与低混合泵的叶轮相关联的一个或多个特性的函数。