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1. 发明申请

WO2010082201A1 DOSING PUMP 审中-公开
标题翻译：排水泵
公开(公告)号：WO2010082201A1
公开(公告)日：2010-07-22
申请号：PCT/IL2010/000040
申请日：2010-01-14
申请人： TEFEN MANUFACTURE & MARKETING PLASTIC PRODUCTS 1990 LTD. , MAN, Lior , BABUSHKIN, Anton
发明人： MAN, Lior , BABUSHKIN, Anton
IPC分类号： F04B13/02 , F04B49/22 , F04B7/00
CPC分类号： F04B13/02 , F04B7/0007 , F04B7/0011 , F04B49/225
摘要： A dosing pump comprises an inlet for a solvent, an injection device for an additive, a reciprocating main piston for mixing the solvent with the additive during a suction stroke and for discharging the mixture from an outlet in an evacuation stroke. A divider substantially perpendicular to a rod connected to the main piston separates a main piston housing from a switching device for controlling a main piston stroke direction. The switching device comprises two inlet rotary valve assemblies that are disposed externally to a corresponding inlet aperture bored in the divider when in an opened state and are rotatable about an axis substantially perpendicular to the axis of the main piston. Each of the valve assemblies alternately opens and occludes a corresponding inlet aperture so that solvent flowing through a first inlet aperture performs a suction stroke and solvent flowing through a second inlet aperture performs an evacuation stroke.
摘要翻译：计量泵包括用于溶剂的入口，用于添加剂的注射装置，用于在吸入冲程期间将溶剂与添加剂混合并在排气冲程中从出口排出混合物的往复式主活塞。基本垂直于与主活塞连接的杆的分隔器将主活塞壳体与用于控制主活塞行程方向的开关装置分离。开关装置包括两个入口旋转阀组件，当处于打开状态时，两个入口旋转阀组件设置在分配器中钻孔的对应入口孔的外部，并且可绕基本上垂直于主活塞轴线的轴线旋转。每个阀组件交替地打开并闭塞相应的入口孔，使得流过第一入口孔的溶剂进行吸入冲程，并且流过第二入口孔的溶剂进行排气冲程。

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