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2. 发明授权

US4235379A Interchangeable nozzle apparatus for full or part circle irrigation sprinklers 失效
标题翻译：用于全部或部分圆形灌溉喷头的可互换喷嘴设备
公开(公告)号：US4235379A
公开(公告)日：1980-11-25
申请号：US899062
申请日：1978-04-24
申请人： John D. Beamer
发明人： John D. Beamer
IPC分类号： B05B1/12 , B05B3/06 , B05B15/06 , B05B3/08
CPC分类号： B05B1/12 , B05B15/065 , B05B3/063
摘要： For use with an irrigation sprinkler, an interchangeable nozzle apparatus is provided which includes a tubular housing mounted at the discharge end of the sprinkler, and arranged to receive any of a plurality of insert members which may be selected for controlling the flow rate of water ejected from the nozzle, controlling the distribution of water over the range of throw of the sprinkler, or enhancing the range of throw of the sprinkler when water is supplied to the sprinkler at relatively low pressures. In part-circle applications on a reaction drive type sprinkler, the inserts are arranged to limit movement of the reverse drive arm into the stream of water ejected from the nozzle by an amount dependent upon the nozzle size, thereby resulting in substantially the same reversing force regardless of nozzle size.
摘要翻译：为了与灌溉喷洒器一起使用，提供了一种可互换的喷嘴装置，其包括安装在喷洒器的排出端处的管状壳体，并且布置成容纳多个插入构件中的任何一个，其可以被选择用于控制喷出的水的流速从喷嘴控制洒水喷头范围内的水分布，或者当在相对较低的压力下向喷洒器供水时，提高喷洒器的投掷范围。在反应驱动式喷洒器的部分圆应用中，插入件被布置成将反向驱动臂的运动限制为从喷嘴喷射的水流量取决于喷嘴尺寸，从而导致基本上相同的反转力不管喷嘴大小。

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