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1. 发明授权

US06974279B2 Ejector, fine solid piece recovery apparatus and fluid conveyor 失效
标题翻译：喷射器，精细固体回收装置和流体输送机
公开(公告)号：US06974279B2
公开(公告)日：2005-12-13
申请号：US10679352
申请日：2003-10-07
申请人： Yasuo Morohashi , Hidetoshi Omori , Toshihiro Naruse
发明人： Yasuo Morohashi , Hidetoshi Omori , Toshihiro Naruse
IPC分类号： B65G53/14 , B65G53/58 , B65G53/60
CPC分类号： B65G53/58 , B65G53/14
摘要： An ejector is configured to generate a high negative pressure capable of sucking and conveying fine metal pieces or chips, such as machinings or cuttings, for example, when using the ejector as a driving source for a fluid conveyor. The ejector includes a convergent-divergent nozzle having a throat formed between a suction port and a discharge port. Jet blowing holes are formed in the convergent-divergent nozzle to direct a jet stream from upstream of the throat to downstream of the throat, thereby forming a negative pressure. Pressure control holes open to the downstream of the jet blowing holes and are configured to communicate with a pressure space at a pressure level higher than a negative pressure formed by the jet stream and lower than a static pressure of the jet stream and the inside of the convergent-divergent nozzle.
摘要翻译：喷射器被配置为当使用喷射器作为流体输送机的驱动源时，产生能够吸入和输送诸如机械加工或切割的精细金属片或芯片的高负压。喷射器包括会聚扩散喷嘴，其具有在吸入口和排出口之间形成的喉部。在会聚扩散喷嘴中形成喷射吹风孔，以将喷射流从咽喉的上游引导到喉部的下游，从而形成负压。压力控制孔通向喷射吹风孔的下游，并且被配置成与压力水平高于由喷射流形成的负压的压力水平连通并且低于喷流的静压力和会聚扩散喷嘴。

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