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1. 发明申请

WO2017160885A1 SHUTTLE VALVE FOR WATER SOFTENER SYSTEM AND METHOD 审中-公开
标题翻译：用于水软化器系统的往复阀及方法
公开(公告)号：WO2017160885A1
公开(公告)日：2017-09-21
申请号：PCT/US2017/022371
申请日：2017-03-14
申请人： PENTAIR RESIDENTIAL FILTRATION, LLC
发明人： MUELLER, Scott, Thomas , BEDNAR, Thomas, Richard , SHEFTE, Peter, W.
IPC分类号： F04B1/12 , F04B7/04 , F04B27/08 , F04B53/14 , F16J15/16 , F16K1/12
摘要： Embodiments of the invention provide a piston assembly for a control valve in a water softener system. The control valve includes a drive mechanism,, one or more fluid passageways, and a seal assembly. The piston assembly includes a main piston moveably received withiii the seal assembly and including a first end and a second end opposite to the first end, and a shuttle piston moveably received within the seal assembly. The shuttle piston includes a first end and a second end opposite to the first end, and is configured to selectively engage the second end of the main piston to form a seal therebetween and to selectively move relative to the second end of the main piston to form an opening between the second end of the main piston and the first end of the shuttle piston, in response to movement of the main piston.
摘要翻译：本发明的实施例提供了一种用于软水器系统中的控制阀的活塞组件。控制阀包括驱动机构，一个或多个流体通路以及密封组件。活塞组件包括可移动地容纳于密封组件中并包括第一端和与第一端相对的第二端的主活塞以及可移动地容纳在密封组件内的往复活塞。梭式活塞包括第一端和与第一端相对的第二端，并且构造成选择性地接合主活塞的第二端以在其间形成密封并且选择性地相对于主活塞的第二端移动以形成响应于主活塞的运动，在主活塞的第二端和往复活塞的第一端之间的开口。

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