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1. 发明授权

US4852773A Adjustable flow applicator for a positive displacement constant flow-rate dispenser 失效
标题翻译：用于正排量恒定流量分配器的可调式流量计
公开(公告)号：US4852773A
公开(公告)日：1989-08-01
申请号：US138713
申请日：1987-12-28
申请人： Ronald E. Standlick , David A. Standlick
发明人： Ronald E. Standlick , David A. Standlick
IPC分类号： B05B1/30 , B05C5/02 , B05C17/005 , B67D7/02
CPC分类号： B67D7/02 , B05B1/306 , B05C17/002 , B05C5/0225
摘要： An adjustable flow applicator includes a body having an axial flow pasasge and an inlet passage adapted for connection to a source of pressurized fluidic material dispensed by a positive displacement constant flow rate dispenser. A nozzle is connected to the body and communicates with the flow passage and has an orifice. A reciprocal piston rod extension is spaced within the flow passage and terminates in a tapered valve member having an advanced position seated within the orifice to shut off flow of fluidic material and first and second retracted positions variably opening the orifice for reduced flow in a first position and higher flow in a second position. First remote control includes a first piston connected to the piston extension for effecting alternate reciprocal movements of the valve member for alternately opening and closing the orifice. A second pneumatic control includes a piston rod coaxially adjacent to the first piston and includes a reciprocal second piston which has an advanced position for limiting axial retracting movements of the valve member for limited flow of material and an alternate retracted position away from the first piston so the first piston can move to a fully retracted position.
摘要翻译：可调节的流动施加器包括具有轴向流动膨胀的主体和适于连接到由正位移恒定流量分配器分配的加压流体材料源的入口通道。喷嘴连接到主体并与流动通道连通并具有孔口。往复活塞杆延伸部在流动通道内间隔开并且终止于具有位于孔内的高级位置的锥形阀构件，以阻止流体材料的流动，并且第一和第二缩回位置可变地打开孔口以在第一位置减少流动并且在第二位置具有较高的流量。第一遥控器包括连接到活塞延伸部的第一活塞，用于实现阀构件的交替往复运动以交替地打开和关闭孔口。第二气动控制器包括同轴地邻近第一活塞的活塞杆，并且包括往复的第二活塞，该往复的第二活塞具有用于限制阀构件用于有限流动的材料的轴向回缩运动的前进位置和远离第一活塞的替代缩回位置第一活塞可以移动到完全缩回位置。

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