FRANCIS-TYPE HYDRAULIC TURBINE WHEEL EQUIPPED WITH A TIP-FORMING MEMBER, AND METHOD OF REDUCING FLUCTUATIONS USING SUCH A WHEEL
    2.
    发明申请
    FRANCIS-TYPE HYDRAULIC TURBINE WHEEL EQUIPPED WITH A TIP-FORMING MEMBER, AND METHOD OF REDUCING FLUCTUATIONS USING SUCH A WHEEL 有权
    装有成型构件的FRANCIS型液压涡轮轮以及使用这种轮的减少浮力的方法

    公开(公告)号:US20110103951A1

    公开(公告)日:2011-05-05

    申请号:US12920342

    申请日:2009-03-04

    IPC分类号: F03B3/02 F03B11/04

    摘要: This wheel comprises a plurality of vanes (2) arranged on a crown (3) and is equipped with a tip-forming member (10) attached to a central region (32) of the crown or hub of the wheel (1), radially inside the vanes (2), the crown defining a wet surface (31) for guiding a flow (E) passing between the vanes. The tip-forming member (10) is provided with at least one opening (121) for diverting a fraction (E1) of the flow towards the internal volume (V10) of this member. This member comprises a frustoconical annular skirt (11) and at least one fin (15) arranged in its internal volume (V10) and able to modify the path of the flow fraction (E1) entering this volume through the opening (121). This fin (15) extends as far as the edge (112) of the skirt (11) which defines an outlet opening (14) of the member (10) for the flow fraction (E1).

    摘要翻译: 该轮包括设置在冠部(3)上的多个叶片(2),并且配备有附接到轮(1)的冠部或轮毂的中心区域(32)的尖端形成构件(10) 在叶片(2)的内部,冠部限定用于引导在叶片之间通过的流(E)的湿表面(31)。 尖端形成构件(10)设置有至少一个开口(121),用于将流体的一部分(E1)转向该构件的内部容积(V10)。 该构件包括截头圆锥形环形裙部(11)和布置在其内部容积(V10)中的至少一个翅片(15),并且能够改变通过开口(121)进入该容积的流量部分(E1)的路径。 该翅片(15)延伸至限定流动部分(E1)的构件(10)的出口(14)的裙部(11)的边缘(112)。

    Francis turbine
    3.
    发明授权
    Francis turbine 有权
    弗朗西斯涡轮机

    公开(公告)号:US07195460B2

    公开(公告)日:2007-03-27

    申请号:US10528142

    申请日:2003-10-02

    IPC分类号: F01D5/12 F03B13/10

    摘要: A Francis runner and a hydraulic turbine equipped with such a runner, wherein the runner includes a ceiling, a belt, and blades which extend between the ceiling and the belt and which define liquid flow channels therebetween. A ratio (e/L) of a maximum thickness Ce) of each blade to an average developed length (L) of an average fibre of each blade is between 0.1 and 0.2. At a leading edge of each blade, the average fibre is oriented, over essentially an entire height of the leading edge, along a straight line (Δ23), which forms an angle (α) greater than 90° relative to a line (U) defining a direction of rotation of the leading edge of the runner.

    摘要翻译: 弗朗西斯转轮和配备有这种转轮的水轮机,其中跑步机包括天花板,皮带和在天花板和皮带之间延伸并在其之间限定液体流动通道的叶片。 每个叶片的最大厚度Ce)与每个叶片的平均纤维的平均展开长度(L)的比(e / L)在0.1和0.2之间。 在每个叶片的前缘处,平均纤维沿着直线(ΔL23)定向在前缘的基本上整个高度上,其形成大于90°的角度(α) °相对于限定转轮前缘旋转方向的线(U)。

    Francis turbine
    4.
    发明申请
    Francis turbine 有权
    弗朗西斯涡轮机

    公开(公告)号:US20060051210A1

    公开(公告)日:2006-03-09

    申请号:US10528142

    申请日:2003-10-02

    IPC分类号: B64C11/00

    摘要: The invention relates to a Francis turbine and a hydraulic turbine comprising one such Francis turbine. The inventive Francis turbine comprises a ceiling, a belt and blades (2) which extend between the ceiling and the belt and which define liquid flow channels therebetween. The ratio (e/L) of the maximum thickness (e) of each blade (2) to the average developed length (L) of the average fibre (23) thereof is between 0.1 and 0.2. According to the invention, over essentially the entire height of the leading edge (21), said average fibre (23) is oriented along a straight line (Δ23) which forms an angle (α) greater than 90° in relation to the linear feed speed (U) of the leading edge (21) of the blade (2).

    摘要翻译: 本发明涉及一种弗朗西斯涡轮机和包括一个这种弗朗西斯涡轮机的水轮机。 本发明的弗朗西斯涡轮机包括天花板,带和叶片(2),其在天花板和带之间延伸并且在其间限定液体流动通道。 每个叶片(2)的最大厚度(e)与平均纤维(23)的平均显影长度(L)的比(e / L)在0.1和0.2之间。 根据本发明,在前缘(21)的基本上整个高度上,所述平均纤维(23)沿着直线(ΔL23)定向,其形成大于 相对于叶片(2)的前缘(21)的线性进给速度(U)为90°。

    Installation for converting hydraulic energy, and a method of controlling such an installation
    5.
    发明授权
    Installation for converting hydraulic energy, and a method of controlling such an installation 有权
    用于转换液压能量的安装,以及控制这种装置的方法

    公开(公告)号:US08834102B2

    公开(公告)日:2014-09-16

    申请号:US13147427

    申请日:2010-02-17

    IPC分类号: F03B3/02 F03B3/18 F03B11/00

    摘要: The invention relates to a unit comprising a hydraulic turbine (1), a duct (5) leading a forced flow of water to the turbine, a duct (8) discharging the outgoing flow from the turbine and vanes (20) for guiding the flow through the discharge duct. Each guide vane (20) is able to rotate about an axis (x22) secant to the wall (84) of the discharge duct. Means (30) are provided for controlling the angular position of the vane (20) about its axis of rotation (x22). Each guide vane (20) can also be retracted into the wall (84) of the discharge duct (8), and means (21) are provided for adjusting the extent to which they are withdrawn into the wall.

    摘要翻译: 本发明涉及一种包括水轮机(1)的单元,引导水流到涡轮机的强制流动的管道(5),从涡轮机排出流出流体的管道(8)和用于引导流体 通过排放管道。 每个导向叶片(20)能够围绕排出管道的壁(84)切割的轴线(x22)旋转。 提供装置(30)用于控制叶片(20)围绕其旋转轴线(x22)的角位置。 每个引导叶片(20)也可以缩回到排放管道(8)的壁(84)中,并且提供装置(21)用于调节它们被抽出到壁中的程度。

    INSTALLATION FOR CONVERTING HYDRAULIC ENERGY, AND A METHOD OF CONTROLLING SUCH AN INSTALLATION
    6.
    发明申请
    INSTALLATION FOR CONVERTING HYDRAULIC ENERGY, AND A METHOD OF CONTROLLING SUCH AN INSTALLATION 有权
    转换液压能源的安装以及控制这种安装的方法

    公开(公告)号:US20110293400A1

    公开(公告)日:2011-12-01

    申请号:US13147427

    申请日:2010-02-17

    IPC分类号: F04D29/56

    摘要: The invention relates to a unit comprising a hydraulic turbine (1), a duct (5) leading a forced flow of water to the turbine, a duct (8) discharging the outgoing flow from the turbine and vanes (20) for guiding the flow through the discharge duct. Each guide vane (20) is able to rotate about an axis (x22) secant to the wall (84) of the discharge duct. Means (30) are provided for controlling the angular position of the vane (20) about its axis of rotation (x22). Each guide vane (20) can also be retracted into the wall (84) of the discharge duct (8), and means (21) are provided for adjusting the extent to which they are withdrawn into the wall.

    摘要翻译: 本发明涉及一种包括水轮机(1)的单元,引导水流到涡轮机的强制流动的管道(5),从涡轮机排出流出流体的管道(8)和用于引导流体 通过排放管道。 每个导向叶片(20)能够围绕排出管道的壁(84)切割的轴线(x22)旋转。 提供装置(30)用于控制叶片(20)围绕其旋转轴线(x22)的角位置。 每个引导叶片(20)也可以缩回到排放管道(8)的壁(84)中,并且提供装置(21)用于调节它们被抽出到壁中的程度。