Hydraulic machine comprising a radial flow runner
一种水力机械、转轮的技术,应用在机械设备、水力发电、用于弹性流体的泵送装置的部件等方向,能够解决减小推力效果差等问题
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[0010] figure 1 A cross-sectional view of a hydraulic machine comprising a Francis-type runner according to the invention is schematically shown. The top cover is marked 1 and the bottom cover is marked 14 . The reel includes a reel crown, referenced 11 . The runner blades 2 extend between an upper crown 11 and a lower ring marked 12 . Blade 2 has two edges marked by 3 and 4 . Fluid entering the runner flows from edge 3 to edge 4 with the high pressure side adjoining edge 3 and the low pressure side adjoining edge 4 . Obviously, in pumping mode, the direction of fluid flow is reversed. The runner crown 11 comprises circumferentially positioned sealing means, referenced 13 . The sealing device 13 is explained as sealing the space between the top cover 1 and the upper crown 11 to prevent high-pressure water from entering. However, due to the imperfection of the seal, there will be a small amount of high-pressure water in the space above the upper crown 11 of the runner, re...
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