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2. 发明授权

US4826050A Spraying and dosing apparatus 失效
标题翻译：喷涂和计量装置
公开(公告)号：US4826050A
公开(公告)日：1989-05-02
申请号：US940582
申请日：1986-12-11
申请人： Allan P. Murphy , John Toth
发明人： Allan P. Murphy , John Toth
IPC分类号： B05B9/04 , B05B9/08 , G01F11/02 , B65D88/54
CPC分类号： G01F11/022 , B05B9/0426 , B05B9/08
摘要： In spraying liquid herbicides and insecticides, a predetermined dose is delivered in each operation of a dosing apparatus. The dosing apparatus comprises a piston-and-cylinder combination supported on a hangle. The piston is biased in one direction by a spring or by pressurized propellant, and movement of the piston in this one direction causes the liquid to flow into the cylinder through a check valve. Actuation of a trigger-operated valve releases pressurized propellant into the cylinder on the opposite side of the piston (or alternatively into an auxiliary cylinder) causing movement of the piston and discharge of the liquid through a second check valve and then through a spray nozzle. The dosing apparatus includes a portable backpack structure molded of a plastics material, and is especially suited for portable operation in remote locations. The backpack is formed with a reservoir for reagent and a compartment for removably holding a pressurized propellant container.
摘要翻译：在喷洒液体除草剂和杀虫剂时，在计量装置的每次操作中输送预定剂量。定量给料装置包括支撑在一个角上的活塞和气缸组合。活塞通过弹簧或加压推进剂在一个方向上偏置，并且活塞在该一个方向上的运动使得液体通过止回阀流入气缸。触发操作阀的启动将加压推进剂释放到活塞（或替代地，辅助气缸）的相对侧上的气缸中，引起活塞的移动并通过第二止回阀然后通过喷嘴排出液体。定量给料装置包括由塑料材料模制的便携式背包结构，并且特别适用于在偏远位置的便携式操作。背包形成有用于试剂的储存器和用于可移除地保持加压的推进剂容器的隔室。

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