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    • 3. 发明授权
    • Deep fryer and filtration system
    • 油炸锅和过滤系统
    • US5247876A
    • 1993-09-28
    • US8153
    • 1993-01-25
    • Mark L. WilsonJ. Michael Williams
    • Mark L. WilsonJ. Michael Williams
    • A47J37/12B01D29/05B01D36/02
    • B01D36/02A47J37/1223B01D29/055B01D2201/165B01D2201/265Y10S210/08
    • A deep oil fryer and filtration system is disclosed wherein the filtration system (B) is disposed within a cabinet (16) of a deep oil fryer (A) having a plurality of vats (10, 12, and 14). Filtration system (B) includes a drawer having a reservoir (20) and an adjacent utility compartment (40). A pre-filter (34) is disposed in a filter basket (30) received in reservoir (20) and spaced above a bottom wall of a reservoir by the legs (32). A drain outlet (28) from the reservoir delivers cooking oil to a pump (70). A flow line system which minimizes retention of cooking oil in the lines includes a reservoir outlet line (74), a filter inlet line (78), a filter by-pass line (80), and a return line (86). Whenever by-pass valve (82) is open and pump (70) is on, pre-filtered oil from filter (36) passes through filter inlet (50) and exits filter outlet (64) without passing through a filter element ( 48) to preheat the filter. The by-passed oil is returned to the cooking vat for rinsing out the cooking vat. When by-pass valve (82) is closed, oil entering filter inlet (50) is forced through filter element (48) on both ends (54a) and (56a). Primary filter (C) is a pressure filter which provides a final filtration of the prefiltered oil. Advantageously, pressure filter (C) includes an end cap (46) which is removable so that filter element (48) may be replaced from an opening in the oil reservoir to obtain any spillage.
    • 公开了一种深油炸锅和过滤系统,其中过滤系统(B)设置在具有多个桶(10,12和14)的深油炸锅(A)的柜(16)内。 过滤系统(B)包括具有储存器(20)和相邻的实用室(40)的抽屉。 预过滤器(34)设置在容纳在贮存器(20)中的过滤篮(30)中,并且通过腿部(32)在储存器的底壁之上间隔开。 来自储存器的排水出口(28)将烹饪油输送到泵(70)。 使烹饪油在管线中的保留最小化的流路系统包括储存器出口管线(74),过滤器入口管线(78),过滤管线(80)和返回管线(86)。 每当旁通阀(82)打开并且泵(70)接通时,来自过滤器(36)的预过滤的油通过过滤器入口(50)并且不通过过滤元件(48)离开过滤器出口(64) 预热过滤器。 旁路油返回到蒸煮桶中以冲洗出大桶。 当旁通阀(82)关闭时,进入过滤器入口(50)的油被迫通过两端(54a)和(56a)上的过滤元件(48)。 初级过滤器(C)是提供预过滤油的最终过滤的压力过滤器。 有利地,压力过滤器(C)包括可移除的端盖(46),使得可以从储油器中的开口更换过滤元件(48)以获得任何溢出。