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1. 发明授权

US5811004A Water filtration cartridge 失效
标题翻译：水过滤筒
公开(公告)号：US5811004A
公开(公告)日：1998-09-22
申请号：US709504
申请日：1996-09-06
申请人： Edward J. Robertson , Mark Florence
发明人： Edward J. Robertson , Mark Florence
IPC分类号： C02F1/00 , B01D24/14
CPC分类号： C02F1/003 , C02F2201/006 , C02F2307/04
摘要： A reservoir of a water filtration system carries a projection such as a fin on its outer surface. The reservoir is removably received in a housing, such as a pitcher, such that the projection engages a shelf in the housing. A passage in the reservoir can have a nonuniform taper that corresponds to the outer surface of a water filtration cartridge. A grippable member such as an indicator dial can be movably attached to the outer surface of the housing. For each orientation, use indicia on the grippable member align with use indicia on the outer surface of the housing in a unique visual configuration. A water filter cartridge for the filtration system can have an inner surface that extends between a water inlet and a water outlet. One portion of the inner surface starts at the water inlet and joins at its other end to a second portion of the inner surface. The second portion of the inner surface is about as long as the first portion, and is tapered. The small-diameter end of the tapered portion extends to the water outlet of the filter cartridge. The cartridge can also have two ridges on the inner surface of the housing between the water inlet and outlet, both projecting inward towards the center axis of the housing. The innermost end of the ridge closest to the water inlet is farther from the center axis than the innermost end of the other ridge.
摘要翻译：水过滤系统的储存器在其外表面上承载诸如翅片的突起。储存器可移除地容纳在诸如投手的壳体中，使得突起接合壳体中的搁板。储存器中的通道可以具有对应于水过滤筒的外表面的不均匀的锥形。诸如指示盘的可抓握构件可以可移动地附接到壳体的外表面。对于每个方向，使用可抓握构件上的标记以独特的视觉配置与外壳的外表面上的使用标记对准。用于过滤系统的滤水器滤芯可以具有在进水口和出水口之间延伸的内表面。内表面的一部分在水入口处开始并且在其另一端连接到内表面的第二部分。内表面的第二部分大约与第一部分一样长，并且是锥形的。锥形部分的小直径端延伸到过滤器滤芯的出水口。筒体还可以在进水口和出口之间的壳体内表面上具有两个脊，两个脊向内朝向壳体的中心轴线突出。最靠近入水口的脊的最内端比另一个脊的最内端远离中心轴线。

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