A hydraulic generator, in which a first blade (571) and second blades (572) are formed in an area adjacent to the axis direction, and the outer end of the second blade (572) is connected by a cylindrical plate portion (58) in a hydraulic turbine (5) for generating electricity. 4 exit (34) to cross the first blade (571) and cylinder plate (58) on both sides of the opening direction, from the exit (34) part of the water injection direct injection to first leaves (571), the remaining water always from every direction sprayed into the cylinder plates (58) of the foreign ministry end, on power turbine (5) regulating the function of the heart. Exit (34) with the number of leaves (57) the number of each prime relationship, because the 4 pieces of first leaves (571) are closest to the exit (34) time staggered, so from the exit (34) injection of water will not also strongly injected into the leaves of more than 2 pieces (57).
【技术实现步骤摘要】
【技术保护点】
一种水力发电装置,具有:从流体入口到流体出口的流路;配置在该流路途中位置的支轴;可旋转地支承在该支轴上的圆筒状的发电用水轮,其特征在于, 所述发电用水轮具有:从外周面伸出叶片的圆筒体;与该圆筒体分体构成、具有所述支轴贯通的轴孔并固定在所述圆筒体的贯通孔的一方侧端部上的圆筒状的第1径向轴承;与所述圆筒体分体构成、具有所述支轴贯通的轴孔并固定在所述贯通孔的另一方侧端部上的圆筒状的第2径向轴承; 所述圆筒体是树脂成形件,并在所述支轴的轴线方向上具有在外周形成有多片叶片的下端部以及圆筒状的上半部, 所述下端部具有相对于所述上半部直径较大且较厚的部分,且在所述轴线方向上配置在所述一方侧端部侧, 所述上半部在所述轴线方向上配置在所述另一方侧端部侧, 所述第1径向轴承固定于所述贯通孔内部的下述部分:该部分相对于所述下端部位于径向内侧。
【技术特征摘要】
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【专利技术属性】
技术研发人员:田中彰吾,弓田行宣,伊藤秀明,吉川伸一,
申请(专利权)人:日本电产三协株式会社,
类型:发明
国别省市:JP
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