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1. 发明授权

US09726027B2 Turbine 有权
公开(公告)号：US09726027B2
公开(公告)日：2017-08-08
申请号：US13817893
申请日：2011-09-08
申请人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Masaaki Matsuura , Asaharu Matsuo
发明人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Masaaki Matsuura , Asaharu Matsuo
IPC分类号： F01D5/20 , F01D9/00 , F01D11/08 , F01D5/22
CPC分类号： F01D9/00 , F01D5/225 , F01D11/001 , F01D11/02 , F01D11/08 , F05D2220/31 , F16J15/4472
摘要： A turbine includes: a blade body having a blade provided at one of a rotor rotatably supported and a stator provided around the rotor and extending in a radial direction and a shroud extending in a circumferential direction at a tip portion in the radial direction of the blade; and an accommodating concave body provided at another one of the rotor and the stator, extending in the circumferential direction, accommodating the shroud with a gap interposed therebetween, and relatively rotating with respect to the blade body, wherein a leakage flow leaked from a main flow flowing along the blade flows into the gap; and wherein the shroud is provided with a guide curved surface formed between a peripheral surface facing the accommodating concave body and a trailing edge end portion formed closer to a main flow side in a downstream side of the leakage flow than the peripheral surface.

2. 发明申请

US20130149124A1 TURBINE 有权
标题翻译：涡轮
公开(公告)号：US20130149124A1
公开(公告)日：2013-06-13
申请号：US13817893
申请日：2011-09-08
申请人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Masaaki Matsuura , Asaharu Matsuo
发明人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Masaaki Matsuura , Asaharu Matsuo
IPC分类号： F01D9/00
CPC分类号： F01D9/00 , F01D5/225 , F01D11/001 , F01D11/02 , F01D11/08 , F05D2220/31 , F16J15/4472
摘要： The turbine (1) according to the present invention includes: a blade body (50) having a blade (59) provided at one of a rotor rotatably supported and a stator provided around the rotor and extending in a radial direction toward the other side from one side and a shroud (51) extending in a circumferential direction at a tip portion in the radial direction of the blade (59); and an accommodating concave body (11) provided at the other of the rotor and the stator, extending in the circumferential direction, accommodating the shroud (51) with a gap (G) interposed therebetween, and relatively rotating with respect to the blade body (50), wherein leakage flow (L) leaked from main flow (M) flowing along the blade (59) flows into the gap (G); and wherein the shroud is provided with a guide curved surface formed between a peripheral surface (53C) facing the accommodating concave body (11) and a trailing edge end portion (56) formed closer to the main flow (M) side in a downstream of the leakage flow (L) than the peripheral surface (53C) in a downstream of the leakage flow (L), wherein a guide curved surface (57) is configured to guide the leakage flow (L) along the peripheral surface (53C) from the peripheral surface (53C) to the trailing edge end portion (56).
摘要翻译：根据本发明的涡轮机（1）包括：叶片体（50），其具有设置在可转动地支撑的转子中的一个叶片（59）和设置在转子周围的定子，并且沿径向朝向另一侧一侧和在所述叶片（59）的径向方向上的前端部沿圆周方向延伸的护罩（51）; 以及设置在所述转子和所述定子的另一侧的容纳凹体（11），其沿圆周方向延伸，以间隙（G）容纳所述罩（51），并相对于所述叶片体相对旋转 50），其中从所述叶片（59）流动的主流（M）泄漏的泄漏流（L）流入所述间隙（G）; 并且其中所述护罩设置有引导弯曲表面，所述引导弯曲表面形成在面向所述容纳凹形主体（11）的外周表面（53C）和在靠近所述主流（M）侧的下游侧形成的后缘端部所述泄漏流（L）比所述泄漏流（L）的下游侧的所述周面（53C）低，其特征在于，所述引导曲面（57）构成为沿着所述外周面（53C）引导所述泄漏流（L）所述周边表面（53C）到所述后缘端部（56）。

3. 发明授权

US09353640B2 Turbine 有权
标题翻译：涡轮
公开(公告)号：US09353640B2
公开(公告)日：2016-05-31
申请号：US13995542
申请日：2011-12-22
申请人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
发明人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
IPC分类号： F01D11/08 , F01D11/04 , F01D11/10 , F01D5/22
CPC分类号： F01D11/04 , F01D5/225 , F01D11/10 , F05D2250/294
摘要： A turbine includes a blade, a structure installed at a tip section side of the blade via a gap and configured to relatively rotate with respect to the blade, a step section formed at the tip section of the blade, having at least one step surface, and protruding toward a portion opposite to the tip section of the structure, a seal fin formed at the portion opposite to the tip section of the structure, extending toward the step section, and configured to form a micro gap between the step section and the seal fin, and a cutout section formed at the step surface to be connected to an upper surface of the step section. The cutout section guides a separation vortex separated from a main stream of a fluid passing through the gap toward the seal fin on the upper surface of the step section.
摘要翻译：涡轮机包括叶片，通过间隙安装在叶片的尖端部侧的结构，其构造成相对于叶片相对旋转;台阶部，形成在叶片的尖端部分，具有至少一个台阶表面，并且向与所述结构的前端部相反的部分突出，形成在与所述结构的前端部相反的部分处的所述密封翅片朝向所述台阶部延伸，并且构造成在所述台阶部与所述密封件之间形成微缝隙翅片和形成在台阶表面处以与台阶部分的上表面连接的切口部分。切口部分引导从步进部分的上表面上的通过间隙的流体的主流与密封翅片分离的分离涡流。

4. 发明授权

US09593587B2 Turbine seal fin leakage flow rate control 有权
标题翻译：涡轮密封翅片泄漏流量控制
公开(公告)号：US09593587B2
公开(公告)日：2017-03-14
申请号：US13580078
申请日：2011-01-27
申请人： Kazuyuki Matsumoto , Yoshihiro Kuwamura , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
发明人： Kazuyuki Matsumoto , Yoshihiro Kuwamura , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
IPC分类号： F01D11/00 , F01D11/08 , F16J15/447 , F01D11/02
CPC分类号： F01D11/001 , F01D11/02 , F01D11/08 , F05D2220/31 , F05D2240/127 , F05D2240/55 , F16J15/447
摘要： Provided is a turbine in which seal fins (15) are provided to a hub shroud (41) to protrude toward a bottom surface (33a) of an annular groove (33), small gaps (H) are formed between the tip ends of the seal fins and the bottom surface of the annular groove, and assuming that the axial distance between a first seal fin (15a) disposed on the front edge side of the hub shroud among the seal fins and a front edge (41a) of the hub shroud is (L) and the axial distance between the front edge of the hub shroud and an inside surface (33b) of the annular groove is (Bu), the first seal fin is disposed to satisfy L/Bu
摘要翻译：本发明提供一种涡轮机，其中，密封翅片（15）设置在轮毂护罩（41）上，朝向环状槽（33）的底面（33a）突出，在密封翅片和环形槽的底面，并且假设设置在密封翅片之间的轮毂罩的前边缘侧的第一密封翅片（15a）与轮毂罩的前边缘（41a）之间的轴向距离是（L），轮毂罩的前缘与环状槽的内侧面（33b）之间的轴向距离为（Bu），第一密封翅片设置为满足L / Bu <0.3。

5. 发明申请

US20130094945A1 SEAL STRUCTURE, TURBINE MACHINE HAVING THE SAME, AND POWER GENERATING PLANT EQUIPPED WITH THE SAME 审中-公开
标题翻译：密封结构，具有该密封结构的涡轮机，以及配备其的发电厂
公开(公告)号：US20130094945A1
公开(公告)日：2013-04-18
申请号：US13637207
申请日：2011-05-23
申请人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
发明人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
IPC分类号： F01D11/08
CPC分类号： F01D11/08 , F01D5/143 , F01D5/225 , F01D11/005 , F01D11/02
摘要： A seal structure includes shrouds that are provided at tips of a plurality of blades on which a main flow of fluid impinges and that come into contact with adjacent shrouds to form a cylindrical shape; a sealing part connected to a structure body facing the shrouds; and a space that is defined by downstream sides of the shrouds, a downstream side of the sealing part, and a wall on a downstream side of the structure body, and that communicates with the main flow of fluid that has impinged on the blades. An end of the wall on the downstream side of the structure body is formed so as to be disposed a predetermined distance away from a shroud extension and away from a sealing-part extension and so as to be located on the opposite side of the shroud extension with respect to the sealing-part extension.
摘要翻译：密封结构包括设置在多个叶片的尖端处的护罩，主流体流入其上并与相邻护罩接触以形成圆柱形; 连接到面向所述护罩的结构体的密封部分; 以及由所述护罩的下游侧，所述密封部的下游侧以及所述结构体的下游侧的壁形成的与所述叶片的冲击主流相连通的空间。该结构体的下游侧的壁的一端形成为远离护罩延伸部远离密封部分延伸部预定距离并且位于护罩延伸部的相对侧上相对于密封部分延伸。

6. 发明申请

US20130272855A1 TURBINE 有权
标题翻译：涡轮
公开(公告)号：US20130272855A1
公开(公告)日：2013-10-17
申请号：US13995542
申请日：2011-12-22
申请人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
发明人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
IPC分类号： F01D11/04
CPC分类号： F01D11/04 , F01D5/225 , F01D11/10 , F05D2250/294
摘要： A turbine includes a blade, a structure installed at a tip section side of the blade via a gap and configured to relatively rotate with respect to the blade, a step section formed at the tip section of the blade, having at least one step surface, and protruding toward a portion opposite to the tip section of the structure, a seal fin formed at the portion opposite to the tip section of the structure, extending toward the step section, and configured to form a micro gap between the step section and the seal fin, and a cutout section formed at the step surface to be connected to an upper surface of the step section. The cutout section guides a separation vortex separated from a main stream of a fluid passing through the gap toward the seal fin on the upper surface of the step section.
摘要翻译：涡轮机包括叶片，通过间隙安装在叶片的尖端部侧的结构，其构造成相对于叶片相对旋转;台阶部，形成在叶片的尖端部分，具有至少一个台阶表面，并且向与所述结构的前端部相反的部分突出，形成在与所述结构的前端部相反的部分处的所述密封翅片朝向所述台阶部延伸，并且构造成在所述台阶部与所述密封件之间形成微缝隙翅片和形成在台阶表面处以与台阶部分的上表面连接的切口部分。切口部分引导从步进部分的上表面上的通过间隙的流体的主流与密封翅片分离的分离涡流。

7. 发明授权

US09388701B2 Turbine 有权
标题翻译：涡轮
公开(公告)号：US09388701B2
公开(公告)日：2016-07-12
申请号：US13519403
申请日：2011-01-31
申请人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
发明人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
IPC分类号： F01D5/22 , F01D11/02 , F01D11/08 , F16J15/447
CPC分类号： F01D5/225 , F01D11/02 , F01D11/08 , F05D2240/55 , F16J15/4472
摘要： A turbine (1) of the present invention comprises that at one part of a tip part (51) of the blade (50) and an area (11a) of the structure (11) corresponding to the tip part (51) of the blade, a stepped part (52) is formed, a seal fin (15) is provided at the another part of the tip part (51) of the blade and the area (11 a) of the structure (11), a cavity (C) is formed between the tip part (51) of the blade and the area (11a) of the structure (11) and between the seal fin (15) and a partition wall (54, 15). The seal fin (15) comprises a fin main body part (16), and a space restriction part (17). Thus, the present invention provides a high performance turbine in which the leakage flow rate is reduced.
摘要翻译：本发明的涡轮机（1）包括在叶片（50）的尖端部分（51）的一部分和与叶片（50）的尖端部分（51）相对应的结构（11）的区域（11a）形成有阶梯部（52），在叶片的前端部（51）的另一部分和结构（11）的区域（11a）上设置有密封翅片（15），空腔）形成在叶片的末端部分（51）和结构（11）的区域（11a）之间并且在密封翅片（15）和分隔壁（54,15）之间。密封翅片（15）包括翅片主体部分（16）和空间限制部分（17）。因此，本发明提供了一种泄漏流量降低的高性能涡轮机。

8. 发明申请

US20120288360A1 TURBINE 有权
标题翻译：涡轮
公开(公告)号：US20120288360A1
公开(公告)日：2012-11-15
申请号：US13519403
申请日：2011-01-31
申请人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
发明人： Yoshihiro Kuwamura , Kazuyuki Matsumoto , Hiroharu Oyama , Yoshinori Tanaka , Asaharu Matsuo
IPC分类号： F01D11/08
CPC分类号： F01D5/225 , F01D11/02 , F01D11/08 , F05D2240/55 , F16J15/4472
摘要： A turbine (1) of the present invention comprises that at one part of a tip part (51) of the blade (50) and an area (11a) of the structure (11) corresponding to the tip part (51) of the blade, a stepped part (52) is formed, a seal fin (15) is provided at the another part of the tip part (51) of the blade and the area (11a) of the structure (11), a cavity (C) is formed between the tip part (51) of the blade and the area (11a) of the structure (11) and between the seal fin (15) and a partition wall (54, 15). The seal fin (15) comprises a fin main body part (16), and a space restriction part (17). Thus, the present invention provides a high performance turbine in which the leakage flow rate is reduced.
摘要翻译：本发明的涡轮机（1）包括在叶片（50）的尖端部分（51）的一部分和与叶片（50）的尖端部分（51）相对应的结构（11）的区域（11a）形成台阶部（52），在叶片的前端部（51）的另一部分和结构（11）的区域（11a）上设置有密封翅片（15），空腔（C）形成在叶片的末端部分（51）和结构（11）的区域（11a）之间以及密封翅片（15）和分隔壁（54,15）之间。密封翅片（15）包括翅片主体部分（16）和空间限制部分（17）。因此，本发明提供了一种泄漏流量降低的高性能涡轮机。

9. 发明授权

US09429022B2 Steam turbine 有权
标题翻译：汽轮机
公开(公告)号：US09429022B2
公开(公告)日：2016-08-30
申请号：US13811738
申请日：2011-09-15
申请人： Kazuyuki Matsumoto , Yoshihiro Kuwamura , Hiroharu Oyama , Yoshinori Tanaka , Yukinori Machida , Asaharu Matsuo
发明人： Kazuyuki Matsumoto , Yoshihiro Kuwamura , Hiroharu Oyama , Yoshinori Tanaka , Yukinori Machida , Asaharu Matsuo
IPC分类号： F01D5/14 , F01D5/12 , F01D5/22 , F01D11/00 , F01D11/08
CPC分类号： F01D5/12 , F01D5/225 , F01D11/001 , F01D11/08
摘要： A turbine includes an annular turbine blade body disposed on a flow path, a diaphragm outer ring installed at a tip side of the annular turbine blade body via a clearance, and seal fins formed to protrude from the diaphragm outer ring and configured to form small clearances with the annular turbine blade body, wherein dead water region-filling sections are formed in cavities in which main vortexes are generated, such that a dead water region that the main vortexes cannot reach is filled.
摘要翻译：涡轮机包括设置在流路上的环形涡轮机叶片体，经由间隙安装在环形涡轮叶片体的尖端侧的隔膜外圈，以及形成为从隔膜外圈突出并形成小间隙的密封翅片与环形涡轮机叶片体相连，其中死水区域填充段形成在其中产生主涡流的空腔中，使得主涡流不能到达的死水区域被填充。

10. 发明申请

US20130129493A1 TURBINE 有权
标题翻译：涡轮
公开(公告)号：US20130129493A1
公开(公告)日：2013-05-23
申请号：US13811738
申请日：2011-09-15
申请人： Kazuyuki Matsumoto , Yoshihiro Kuwamura , Hiroharu Oyama , Yoshinori Tanaka , Yukinori Machida , Asaharu Matsuo
发明人： Kazuyuki Matsumoto , Yoshihiro Kuwamura , Hiroharu Oyama , Yoshinori Tanaka , Yukinori Machida , Asaharu Matsuo
IPC分类号： F01D5/12
CPC分类号： F01D5/12 , F01D5/225 , F01D11/001 , F01D11/08
摘要： A turbine is provided including an annular turbine blade body (50) disposed on a flow path, a diaphragm outer ring (11) installed at a tip side of the blade body via a clearance, and seal fins (12A, 12B, 12C) formed to protrude from the diaphragm outer ring (11) and configured to form small clearances (13A, 13B, 13C) with the annular turbine blade body (50), wherein dead water region-filling sections (15, 17, 19) are formed in cavities (C1, C2, C3) in which main vortexes (SU1, SU2, SU3) are generated, such that a dead water region that the main vortexes (SU1, SU2, SU3) cannot reach is filled.
摘要翻译：提供一种涡轮机，包括设置在流路上的环形涡轮叶片体（50），经由间隙安装在叶片体的前端侧的隔膜外圈（11），形成有密封翅片（12A，12B，12C）从所述隔膜外圈（11）突出并且与所述环形涡轮叶片体（50）形成小间隙（13A，13B，13C），其中形成有死水区域填充部（15,17,19）产生主涡流（SU1，SU2，SU3）的空腔（C1，C2，C3），使得主涡流（SU1，SU2，SU3）不能到达的死水区域被填充。

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