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公开(公告)号：US10537094B2
公开(公告)日：2020-01-21
申请号：US16329307
申请日：2017-08-24
发明人： Akihiro Kijima , Yasuaki Kohama , Minoru Ikeda , Yoshihisa Kurita , Ikuo Chiba , Tetsuya Kanno
IPC分类号： A01K63/04 , A01K61/50 , C02F1/34 , C02F1/76 , B63J4/00 , C02F1/28 , C02F1/46 , A01K63/00 , C02F103/08 , C02F103/00 , C02F1/467
摘要： Provided is a multi-tube nozzle for use in eradicating harmful aquatic organisms, which physically kills harmful aquatic organisms while feeding water and thus allows intake water to be fed directly into a culture tank or a ballast tank without the need for a pretreatment tank, chemicals, neutralizers, etc. A multi-tube nozzle (A) for use in eradicating harmful aquatic organisms includes at least three nozzle tubes (1) that are provided adjacent to each other. The nozzle tubes (1) each includes: an inlet-side opening section (2) having an inner diameter that decreases from an inlet opening toward a throat section (3) located in the middle of the tube; an outlet-side opening section (4) having an inner diameter that increases from the throat section (3) toward an outlet opening; and the throat section (3) having a smallest inner diameter. The adjacent nozzle tubes (1) are spaced apart by a distance such that the adjacent inlet-side opening sections (2) overlap each other. A wall (5) of an overlapping portion (6) of the inlet-side opening sections (2) is cut in a U shape. An uncut portion (5a) between the adjacent U-shaped cut portions (5b) forms a sword-like pointed tip.
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公开(公告)号：US20190216060A1
公开(公告)日：2019-07-18
申请号：US16329307
申请日：2017-08-24
发明人： Akihiro KIJIMA , Yasuaki KOHAMA , Minoru IKEDA , Yoshihisa KURITA , Ikuo CHIBA , Tetsuya KANNO
摘要： Provided is a multi-tube nozzle for use in eradicating harmful aquatic organisms, which physically kills harmful aquatic organisms while feeding water and thus allows intake water to be fed directly into a culture tank or a ballast tank without the need for a pretreatment tank, chemicals, neutralizers, etc. A multi-tube nozzle (A) for use in eradicating harmful aquatic organisms includes at least three nozzle tubes (1) that are provided adjacent to each other. The nozzle tubes (1) each includes: an inlet-side opening section (2) having an inner diameter that decreases from an inlet opening toward a throat section (3) located in the middle of the tube; an outlet-side opening section (4) having an inner diameter that increases from the throat section (3) toward an outlet opening; and the throat section (3) having a smallest inner diameter. The adjacent nozzle tubes (1) are spaced apart by a distance such that the adjacent inlet-side opening sections (2) overlap each other. A wall (5) of an overlapping portion (6) of the inlet-side opening sections (2) is cut in a U shape. An uncut portion (5a) between the adjacent U-shaped cut portions (5b) forms a sword-like pointed tip.
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