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2. 发明专利

JP2005155334A Hydraulic energy recovering unit 审中-公开
标题翻译：液压能源回收装置
公开(公告)号：JP2005155334A
公开(公告)日：2005-06-16
申请号：JP2003390881
申请日：2003-11-20
申请人： Hokuriku Regional Development Bureau Ministry Land Infrastructure & Transport , 国土交通省北陸地方整備局長
发明人： ISHIDA HIROSHI , KAWASAKI HIDEAKI , MORIKAWA ICHIRO , YAMAZAKI AKIO
IPC分类号： F03B7/00
CPC分类号： Y02E10/223
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic energy recovering device capable of efficiently recovering hydraulic energy from river streams.
SOLUTION: This hydraulic energy recovering unit 10 is configured, as a unit, of a water wheel 11 and an accelerating flow passage 12 for introducing water into the water wheel 11 by accelerating the water. The accelerating flow passage 12 has a flow passage structure to introduce flowing water into the water wheel 11 by accelerating the flowing water, and is provided with a narrow part 14 as a means for accelerating the flowing water. An upstream intake port 15 on the accelerating flow passage 12 has a water receiving area larger than that of the water wheel 11, and the narrow part 14 is formed by arranging both side walls 16, 17 of the flow passage 12 to have a V-shape, such that a gap between the both side walls 16, 17 becomes gradually narrower from the upstream side to the down stream side. The hydraulic energy recovering unit 10 takes in part of a stream from the upstream intake port 15 and gradually accelerates the flowing water in the narrow part 14. Due to this, hydraulic energy per unit is increased, and large hydraulic energy acts by a water receiving surface of the water wheel 11. Accordingly, large hydraulic energy can be recovered.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够有效地从河流中回收液压能量的液压能量回收装置。解决方案：该液压能量回收单元10作为一个单元构成水轮11和加速流路12，用于通过加速水将水引入水轮11。加速流路12具有流路结构，通过加速流水将流入的水引入水轮11，并且设置有作为加速流水的手段的窄部14。加速流路12的上游侧吸入口15的水接收面积大于水轮11的吸水面积，通过使流路12的两侧壁16,17配置成具有V形，使得两侧壁16,17之间的间隙从上游侧向下游侧逐渐变窄。液压能量回收单元10取自上游进气口15的一部分流，并逐渐加速狭窄部分14中的流水。由此，每单位的液压能量增加，并且大的液压能量通过水接收水轮11的表面。因此，能够回收大的液压能量。版权所有（C）2005，JPO＆NCIPI

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