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公开(公告)号：EP2918848A1
公开(公告)日：2015-09-16
申请号：EP13853233.8
申请日：2013-10-23
发明人： SAITO Ryosuke
CPC分类号： F04D29/284 , F04D17/122 , F04D29/22 , F04D29/2255 , F04D29/242 , F04D29/281 , F04D29/30 , F05D2240/301 , F05D2240/306
摘要： An impeller for a centrifugal rotary machine has a plurality of blades (4) arranged at intervals in a circumferential direction on a face facing a direction of an axis of a disc (3) formed in a discoid shape about the axis, wherein the blades (4) each include a first section (10A) rising from the disc (3) and inclined toward an opposite direction of a rotary direction (R) as the distance from the disc and a second section (11A) continuing from the first section (10A) and inclined toward a forward direction of the rotary direction (R) as the distance from the disc (3) between the leading edges and the trailing edges in the blades (4).
摘要翻译： 本发明提供一种离心式旋转机用叶轮，其特征在于，在与所述轴线相对的圆盘状的盘（3）的轴方向的面上，在周向上隔开间隔地配置有多个叶片（4），所述叶片 4）各自包括从盘（3）上升并且随着离盘的距离而朝旋转方向（R）的相反方向倾斜的第一部分（10A）和从第一部分（10A）延续的第二部分（11A） ）并且随着在叶片（4）中的前缘和后缘之间距盘（3）的距离而朝向旋转方向（R）的向前方向倾斜。
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公开(公告)号：EP3096022A1
公开(公告)日：2016-11-23
申请号：EP14879199.9
申请日：2014-08-28
发明人： SAITO Ryosuke , IWAMOTO Shinji
CPC分类号： F04D29/30 , F04D17/122 , F04D29/284 , F04D29/286 , F04D29/4206 , F05D2250/713
摘要： An impeller (1) comprises a disc (11) that rotates about an axis (O), and blades (12) a plurality of which are disposed in the circumferential direction of the disc (11) with intervals therebetween. Of the angles formed by a tangent line (TL) to a projection curve line (PL) which is a center curve line of the thickness of the blade (12) projected from the axis (O) direction to the disc (11), and an imaginary line (IL) orthogonal to a line connecting the axis (O) and a tangent point (Tp) between the projection curve line (PL) and the tangent line (TL), if the angle formed at the rotation direction rear-side and the outer peripheral side of the disc (11) is defined as a blade angle (β), then the blade angle (β) of the blade (12) has a prescribed gradual increase region and gradual decrease region from the center towards the outside, and at the center of an inflection region of the gradual increase region and of the gradual decrease region, provided is a partial gradual decrease region having a smaller blade angle decrease amount than the blade angle increase amount of the gradual increase region.
摘要翻译： 叶轮（1）包括围绕轴线（O）旋转的盘（11）和多个叶片（12），其中多个叶片（11）的间隔在盘（11）的周向上。 由切线（TL）与作为从轴（O）方向向盘（11）突出的叶片（12）的厚度的中心曲线的投影曲线（PL）形成的角度中，以及 如果在旋转方向后侧形成的角度，则与连接轴线（O）和投影弯曲线（PL）和切线（TL）之间的切点（Tp）的线正交的假想线（IL） 并且盘（11）的外周侧被限定为叶片角度（2），则叶片（12）的叶片角度（²）具有规定的逐渐增加区域和从中心向外部逐渐减小的区域 ，并且在逐渐增加区域和逐渐减小区域的拐点区域的中心处，提供具有比逐渐增加区域的叶片角度增加量更小的叶片角度减小量的部分逐渐减小区域。
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公开(公告)号：EP3098454A1
公开(公告)日：2016-11-30
申请号：EP14879801.0
申请日：2014-07-23
发明人： SAITO Ryosuke , IWAMOTO Shinji
IPC分类号： F04D29/30
CPC分类号： F04D29/30 , F04D17/12 , F04D17/122 , F04D29/284 , F04D29/667 , F04D29/682 , F04D29/684
摘要： The present invention is provided with: a disk (2) that rotates around an axis (0); and, on the surface of one axial (0) side of the disk (2), a plurality of blades (3) that are provided at intervals in the circumferential direction and demarcate a channel (10) in which a fluid that flows in from one side in the axial (0) direction is discharged toward the outer side in the radial direction. Therein, holes (H) are formed in the blades (3), said holes communicating with a pressure surface (p) that faces the front side in the rotational direction, and with a suction surface (n) that faces the rear side in the rotational direction.
摘要翻译： 本发明提供有：围绕轴线（0）旋转的盘片（2）; 并且在所述盘（2）的一个轴向（0）侧的表面上具有多个叶片（3），所述多个叶片（3）沿圆周方向间隔设置并且划定通道（10），在所述通道（10）中流入 在轴向（0）方向上的一侧沿径向向外侧排出。 其中，在叶片（3）上形成有孔（H），所述孔与在旋转方向上面向前侧的压力面（p）连通，并且与在 旋转方向。
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公开(公告)号：EP2949946A1
公开(公告)日：2015-12-02
申请号：EP13872387.9
申请日：2013-11-25
发明人： NAKANIWA Akihiro , SAITO Ryosuke
CPC分类号： F04D29/444 , F04D17/122 , F04D29/053 , F04D29/286 , F04D29/4206 , F04D29/441 , F05D2240/121 , F05D2250/70
摘要： A centrifugal rotation machine includes a rotation shaft, a plurality of impellers rotating along with the rotation shaft, a casing defining a return flow channel configured to guide the fluid from the front-stage impeller to the rear-stage impeller, and a plurality of return vanes installed in the return flow channel, the return flow channel includes a return bend section guiding the fluid G, which has been sent from the front-stage impeller to the outside in the radial direction, to the inside in the radial direction, the return bend section includes a first curved portion and a second curved portion connected to the downstream side of the first curved portion, and the radius of curvature of an inside wall surface of the second curved portion in the radial direction is greater than the radius of curvature of an inside wall surface of the first curved portion in the radial direction.
摘要翻译： 离心旋转机器包括旋转轴，与旋转轴一起旋转的多个叶轮;壳体，其限定构造成将流体从前级叶轮引导到后级叶轮的回流通道，以及多个返回 安装在回流通道中的叶片，回流通道包括将从前级叶轮向径向外侧输送的流体G沿径向引导到内侧的返回弯曲部， 弯曲部分包括第一弯曲部分和连接到第一弯曲部分的下游侧的第二弯曲部分，并且第二弯曲部分在径向方向上的内壁表面的曲率半径大于第二弯曲部分的曲率半径 第一弯曲部的径向内壁面。
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公开(公告)号：EP2918848B1
公开(公告)日：2018-06-06
申请号：EP13853233.8
申请日：2013-10-23
发明人： SAITO Ryosuke
CPC分类号： F04D29/284 , F04D17/122 , F04D29/22 , F04D29/2255 , F04D29/242 , F04D29/281 , F04D29/30 , F05D2240/301 , F05D2240/306
摘要： An impeller for a centrifugal rotary machine has a plurality of blades (4) arranged at intervals in a circumferential direction on a face facing a direction of an axis of a disc (3) formed in a discoid shape about the axis, wherein the blades (4) each include a first section (10A) rising from the disc (3) and inclined toward an opposite direction of a rotary direction (R) as the distance from the disc and a second section (11A) continuing from the first section (10A) and inclined toward a forward direction of the rotary direction (R) as the distance from the disc (3) between the leading edges and the trailing edges in the blades (4).
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公开(公告)号：EP2949946B1
公开(公告)日：2019-06-26
申请号：EP13872387.9
申请日：2013-11-25
发明人： NAKANIWA Akihiro , SAITO Ryosuke
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