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1. 发明授权

US4519545A Spray applicator for spraying coatings and other fluids in space 失效
标题翻译：用于在空间喷涂涂层和其他流体的喷涂机
公开(公告)号：US4519545A
公开(公告)日：1985-05-28
申请号：US392094
申请日：1982-06-25
申请人： Jerome F. Kuminecz , Merlyn F. Lausten
发明人： Jerome F. Kuminecz , Merlyn F. Lausten
IPC分类号： B05B1/28 , B05B9/08 , B05B9/047
CPC分类号： B05B1/28 , B05B9/0838 , Y10S239/23 , Y10S55/42
摘要： The object of the invention is to provide a self-contained spray applicator for one handed operation in a zero gravity vacuum environment by a free-flying astronaut not attached to any spacecraft while avoiding contamination of the operator by back spray.Said applicator includes a rigid accumulator (12) for containment of a fluid (17) within a flexible bladder (16), the fluid being urged out of the accumulator under pressure through a spray gun (13). The spray gun includes a spring loaded lockable trigger (47) which controls a valve (56). When in an open position, the fluid passes through the valve into the ambient environment in the form of a spray. A spray shield (14) is provided which directs the flow of the spray from the applicator by trapping errant particles of spray yet allowing the passage of escaping gases through its material. This reduces the reactive force exerted by the escaping spray on the operator of the applicator. The spray shield consists of two concentric layers of open celled urethane foam with the inner layer consisting of a coarser grain than the outer, thereby trapping progressively finer particles of spray.
摘要翻译：本发明的目的是提供一种独立的喷涂机，用于在零重力真空环境中通过未连接到任何航天器的自由飞行的宇航员进行单手操作，同时避免操作者通过反向喷雾而污染。所述施加器包括用于将柔性气囊（16）内的流体（17）容纳的刚性蓄能器（12），所述流体在压力下通过喷枪（13）被推出所述蓄能器。喷枪包括控制阀（56）的弹簧加载的可锁定触发器（47）。当处于打开位置时，流体以喷雾的形式通过阀进入周围环境。提供了一种喷雾屏蔽（14），其通过捕获错误的喷雾颗粒引导来自施加器的喷雾的流动，从而允许逸出的气体通过其材料。这减少了由逸出的喷雾施加在施加器的操作者上的反作用力。喷涂护罩由两个同心层的开孔聚氨酯泡沫组成，内层由比外层更粗的颗粒组成，从而捕获逐渐更细的喷雾颗粒。

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