公开(公告)号：US06253537B1

公开(公告)日：2001-07-03

申请号：US09380460

申请日：1999-09-03

申请人： Kiyoshi Suenaga ,  Yukihiro Hashimoto ,  Yasuoki Tomita

发明人： Kiyoshi Suenaga ,  Yukihiro Hashimoto ,  Yasuoki Tomita

IPC分类号： F02C700

CPC分类号： F02C9/46 ,  F01D21/06 ,  F05D2270/02 ,  F05D2270/091 ,  F05D2270/112

摘要： Stress occurring in a moving blade in a gas turbine stopping process is decreased. Time t1 is load decrease start or fuel throttling start, time t2 is no load operation start, time t3 is fuel shut-off and time t4 is a time of largest stress. A 4/4 load maintained until t1 decreases gradually to a 0/4 load at t2, which is then maintained until t3 and then decreases further. The rotational speed is the rated speed until t2, at which point it is controlled to be decreased gradually to about 60% of the rated rotational speed at t3. The metal differential temperature between a moving blade point A and a platform point B is constant until t1 and is then decreased slightly between t1 and t2 and between t2 and t3. Differential temperature &Dgr;t, largest after t3, occurs at t4. Stress occurring in the moving blade, while decreasing between t1 and t3, becomes largest at t4 by the effect of centrifugal force and thermal stress, but as the rotational speed is decreased to about 60% of the rated rotational speed at t3 and the metal temperature is also decreased as compared with the prior art, the influence of the centrifugal force and the differential temperature is decreased, whereby stress occurring in the moving blade is mitigated.

摘要翻译： 在燃气轮机停止过程中在动叶片中产生的应力减小。 时间t1是负载下降开始或燃料节流启动，时间t2是空载运行开始，时间t3是燃料切断，时间t4是最大应力的时间。 一直保持4秒的负载，直到t1在t2时逐渐减小到0/4负载，然后保持到t3，然后进一步减小。 转速为直到t2为止的额定转速，此时控制为逐渐减小到t3时的额定转速的约60％。 动叶片点A和平台点B之间的金属温差恒定直到t1，然后在t1和t2之间以及在t2和t3之间略微减小。 差分温度DELTAt，t3之后最大，出现在t4。 在t1和t3之间减小的动作叶片的应力通过离心力和热应力的影响在t4处变得最大，但是随着转速降低到t3的额定转速的大约60％，金属温度 与现有技术相比也降低，离心力和温差的影响减小，从而减轻了动叶片中的应力。

公开(公告)号：US6079946A

公开(公告)日：2000-06-27

申请号：US44746

申请日：1998-03-19

申请人： Kiyoshi Suenaga ,  Sunao Aoki ,  Kazuo Uematsu

发明人： Kiyoshi Suenaga ,  Sunao Aoki ,  Kazuo Uematsu

IPC分类号： F01D5/18

CPC分类号： F01D5/187 ,  F05D2240/81 ,  F05D2260/2322

摘要： In the cooling system for the gas turbine blade, the apparatus of the present disclosure ensures cooling of the trailing edge part of the blade for which machining is difficult, while aiming at improvement of the thermal efficiency. The steam cooling structure for carrying out heat recovery-type steam cooling is employed to the leading edge part and the central part of the blade where machining is easy because of its large thickness, and the convection cooling end film cooling are employed for the trailing edge part of the blade where the thickness is small, using steam cooling and air cooling at the same time.

摘要翻译： 在用于燃气轮机叶片的冷却系统中，本公开的装置确保了难以加工的叶片的后缘部分的冷却，同时旨在提高热效率。 用于进行热回收式蒸汽冷却的蒸汽冷却结构用于叶片的前缘部分和中心部分，其中由于其厚度大而容易加工，并且对流冷却端膜冷却用于后缘 厚度较小的叶片部分，同时使用蒸汽冷却和空气冷却。

公开(公告)号：US6065931A

公开(公告)日：2000-05-23

申请号：US035614

申请日：1998-03-05

申请人： Kiyoshi Suenaga ,  Yoshikuni Kasai ,  Kazuo Uematsu

发明人： Kiyoshi Suenaga ,  Yoshikuni Kasai ,  Kazuo Uematsu

IPC分类号： F01D5/18 ,  F01D5/08

CPC分类号： F01D5/187 ,  F05D2240/81 ,  F05D2260/205 ,  F05D2260/2322

摘要： A gas turbine moving blade, which has a blade root section, a wing section, and a platform section, comprises a refrigerant supply port provided in the blade root section, a refrigerant recovery port provided in the blade root section, a serpentine passage provided in the wing section and communicating with the refrigerant supply port and the refrigerant recovery port, and a convection-cooling passage provided in the platform section and allowing sealing air and a refrigerant for cooling the platform section by convection to pass therein.

摘要翻译： 具有叶片根部，翼部和平台部的燃气轮机动叶片包括设置在叶片根部的制冷剂供给口，设置在叶片根部的制冷剂回收口，设置在叶片根部的蛇形通路 所述翼部与所述制冷剂供给口和所述制冷剂回收口连通，所述对流冷却通路设置在所述平台部并且允许密封空气和用于通过对流冷却所述平台部的制冷剂通过。

公开(公告)号：US6039531A

公开(公告)日：2000-03-21

申请号：US34130

申请日：1998-03-03

申请人： Kiyoshi Suenaga ,  Yasuoki Tomita ,  Hiroki Fukuno

发明人： Kiyoshi Suenaga ,  Yasuoki Tomita ,  Hiroki Fukuno

IPC分类号： F01D5/18 ,  F01D5/20 ,  F01D5/30 ,  F01D11/08 ,  F02C7/16 ,  F02C7/18

CPC分类号： F01D5/20 ,  F01D5/186 ,  F01D5/3007

摘要： The present disclosure provides a gas turbine blade in which the tip end thereof is cooled effectively to decrease the metal temperature for the prevention of burning and the temperature gradient of blade metal is decreased to prevent the occurrence of cracking. In the gas turbine blade provided with a cooling passage therein, a protrusion is provided inwardly of the peripheral walls of the blade, which define the blade profile and the protrusion is positioned on the outer surface of blade tip end wall directly above a cooling passage within the blade.

摘要翻译： 本公开提供一种燃气轮机叶片，其顶端被有效地冷却以降低金属温度以防止燃烧，并且降低叶片金属的温度梯度以防止发生裂纹。 在其中设置有冷却通道的燃气轮机叶片中，突出部设置在叶片的周壁的内侧，其限定叶片轮廓，并且突起位于叶片末端壁的外侧表面上，直接位于冷却通道的正上方 刀片。

公开(公告)号：US6019579A

公开(公告)日：2000-02-01

申请号：US37111

申请日：1998-03-09

申请人： Hiroki Fukuno ,  Yasuoki Tomita ,  Kiyoshi Suenaga

发明人： Hiroki Fukuno ,  Yasuoki Tomita ,  Kiyoshi Suenaga

IPC分类号： F01D5/08 ,  F01D5/18 ,  F02C3/30 ,  F02C7/18

CPC分类号： F01D5/187 ,  F05D2260/22141 ,  F05D2260/2322

摘要： A gas turbine rotating blade comprises a serpentine passage provided in the blade width direction in plural rows in a blade profile portion except the portion near the trailing edge having a small blade thickness, a steam cooling passage provided around the outer periphery of a platform, an air passage provided in the blade width direction in the vicinity of the trailing edge of blade profile portion, an impingement plate provided under the platform on the inside of the steam cooling passage, slot holes formed so as to branch off from the air passage and be directed to the trailing edge, and slits formed in the platform above the impingement plate. Therefore, the blade profile portion is cooled by the steam passing through the serpentine passage and the air passing through the air passage, so that the cooling construction is not complicated, and cooling is performed effectively. For the platform, the outer periphery thereof is cooled by steam and the inside thereof by air effectively.

摘要翻译： 燃气轮机旋转叶片包括沿叶片宽度方向设置的蛇形通道，叶片轮廓部分中除了具有小叶片厚度的后缘附近的部分之外的多个行中，围绕平台的外周设置的蒸汽冷却通道， 在叶片宽度方向上设置在叶片轮廓部分的后缘附近的空气通道，设置在蒸汽冷却通道内侧的平台下方的冲击板，形成为从空气通道分支的槽孔，并且 引导到后缘，以及形成在冲击板上方的平台中的狭缝。 因此，叶片轮廓部分被通过蛇形通道的蒸汽和通过空气通道的空气冷却，使得冷却结构不复杂，并且有效地进行冷却。 对于平台，其外周边由蒸汽及其内部有效地被空气冷却。

公开(公告)号：US6019573A

公开(公告)日：2000-02-01

申请号：US15211

申请日：1998-01-29

申请人： Kazuo Uematsu ,  Kiyoshi Suenaga

发明人： Kazuo Uematsu ,  Kiyoshi Suenaga

IPC分类号： F02C7/16 ,  F02C7/18 ,  F01D25/08 ,  F01D5/08 ,  F01D5/18

CPC分类号： F02C7/18 ,  F02C7/16 ,  F05D2260/2322

摘要： In a steam cooled type gas turbine, taking the effect of efficiency and power output into consideration, a rear stage is sufficiently cooled by air in place of cooling all of the stages by steam. In a rotor of the gas turbine having a steam cooled moving blade, a moving blade disposed in a front stage is cooled by steam, and a moving blade disposed at the rear stage is cooled by cooling air through a stationary blade disposed in front of the moving blade at the rear stage.

摘要翻译： 在蒸汽冷却型燃气轮机中，考虑到效率和功率输出的影响，后段通过空气充分冷却，代替通过蒸汽冷却所有级。 在具有蒸汽冷却的动叶片的燃气轮机的转子中，设置在前级的动叶片被蒸汽冷却，并且设置在后级的动叶片被冷却空气通过设置在 在后台移动叶片。

公开(公告)号：US5967745A

公开(公告)日：1999-10-19

申请号：US28662

申请日：1998-02-24

申请人： Yasuoki Tomita ,  Hiroki Fukuno ,  Eisaku Ito ,  Kiyoshi Suenaga

发明人： Yasuoki Tomita ,  Hiroki Fukuno ,  Eisaku Ito ,  Kiyoshi Suenaga

IPC分类号： F01D5/02 ,  F01D9/04 ,  F01D11/00 ,  F01D11/04 ,  F01D11/12 ,  F02C7/18 ,  F02C7/28 ,  F01D11/02

CPC分类号： F01D11/001 ,  F01D11/127 ,  F02C7/28

摘要： A gas turbine shroud and platform seal system, which is constructed so that the flow of sealing air does not disturb a combustion gas flow, and thus any aerodynamic loss is reduced. The leaking air (60) leaks from between a platform (2) of moving blade (1) and an inside shroud (12) in a stationary blade (11). At a front or upstream side of the moving blade (1), the leaking air (60) flows along a S-shaped path within a space (8, 17) formed by a projecting end portion (12b) of the shroud, a honeycomb seal (14) and a projecting portion (4) of the platform. The air eventually flows out in the same flow direction as that of the combustion gas (50) along a surface of the platform (2). At a rear side of the moving blade (1), the leaking air (60) flows along an S-shaped path within a space (6, 9) formed by a projecting end portion (2b) of the platform, a projecting end portion (12b) of the shroud, a honeycomb seal (13) and a seal plate (3). The air eventually flows out in the same direction as that of the combustion gas (50) along a surface of the shroud (12). The air (60) flows in the same direction as the combustion gas (50), and thus a flow loss is reduced. Also, the air is not easily leaked, and a cooling effect of the platform and the shroud is increased due to a film cooling effect.

摘要翻译： 一种燃气轮机罩和平台密封系统，其结构使得密封空气的流动不会干扰燃烧气体流动，因此减少了任何空气动力学损失。 泄漏的空气（60）从静止叶片（11）的活动叶片（1）的平台（2）和内侧护罩（12）之间泄漏。 在活动叶片（1）的前侧或上游侧，泄漏空气（60）沿着由护罩的突出端部（12b）形成的空间（8,17）内的S形路径流动，蜂窝 密封件（14）和平台的突出部分（4）。 空气最终沿着平台（2）的表面沿与燃烧气体（50）相同的流动方向流出。 在活动叶片（1）的后侧，泄漏空气（60）沿着由平台的突出端部（2b）形成的空间（6,9）内的S形路径流动，突出端部 （12b），蜂窝密封件（13）和密封板（3）。 空气最终沿与护罩（12）的表面沿燃烧气体（50）相同的方向流出。 空气（60）沿与燃烧气体（50）相同的方向流动，因此流动损失减少。 此外，空气不容易泄漏，并且由于膜冷却效果，平台和护罩的冷却效果增加。

公开(公告)号：US5954475A

公开(公告)日：1999-09-21

申请号：US913077

申请日：1997-09-08

申请人： Masaaki Matsuura ,  Kiyoshi Suenaga ,  Kazuo Uematsu

发明人： Masaaki Matsuura ,  Kiyoshi Suenaga ,  Kazuo Uematsu

IPC分类号： F01D9/02 ,  F01D5/18 ,  F01D9/04 ,  F02C7/16

CPC分类号： F01D5/187 ,  F01D5/182 ,  F05D2240/81 ,  F05D2260/205 ,  F05D2260/232 ,  F05D2260/2322

摘要： A gas turbine stationary blade, having a simple structure in which sufficient cooling is achieved and the drop in pressure of cooling vapor is decreased so that the turbine efficiency is prevented from lowering. The shape of a vapor passage is simplified to prevent the drop in pressure because an outer shroud (3) of the stationary blade and a blade unit (2) are cooled with vapor, while an inner shroud (4) is cooled with the air supplied from another system.

摘要翻译： PCT No.PCT / JP96 / 03696 Sec。 371日期：1997年9月8日 102（e）1997年9月8日PCT PCT 1996年12月19日PCT公布。 第WO97 / 25522号公报 日期1997年7月17日具有实现充分冷却和冷却蒸气压力下降的简单结构的燃气轮机固定叶片减少，从而防止涡轮效率降低。 蒸汽通道的形状被简化以防止压力下降，因为固定叶片的外护罩（3）和叶片单元（2）被蒸气冷却，而内护罩（4）被供应的空气冷却 从另一个系统。

公开(公告)号：US20100226791A1

公开(公告)日：2010-09-09

申请号：US12670912

申请日：2007-08-30

申请人： Daigo Fujimura ,  Hideaki Sugishita ,  Masaaki Matsuura ,  Hiroyuki Yamamoto ,  Shunsuke Torii ,  Satoshi Hada ,  Kiyoshi Suenaga ,  Yuko Suenaga

发明人： Daigo Fujimura ,  Hideaki Sugishita ,  Masaaki Matsuura ,  Hiroyuki Yamamoto ,  Shunsuke Torii ,  Satoshi Hada ,  Kiyoshi Suenaga ,  Yuko Suenaga

IPC分类号： F01D5/18

CPC分类号： F01D5/187 ,  F05D2240/127 ,  F05D2250/185 ,  F05D2260/2212 ,  F05D2260/22141 ,  Y02T50/676

摘要： A blade cooling structure of a gas turbine, which can reduce the pressure loss of a cooling medium without decreasing the heat transfer coefficient, is provided. The blade cooling structure comprises a cooling passage (15) for flowing cooling air (A) from a proximal end portion (12) toward a blade portion (14) of a moving blade (11), a plurality of turbulators (21) arranged, on both wall surfaces of the cooling passage (15) opposing each other, in such a manner as to be inclined with respect to the flowing direction of the cooling air (A), and a plurality of dimples (22) formed in a downstream region (N) downstream of a center position (O) in the flowing direction of the cooling air (A) on the wall surface of the cooling passage (15) between the adjacent turbulators (21).

摘要翻译： 提供了一种燃气轮机的叶片冷却结构，其可以在不降低传热系数的情况下降低冷却介质的压力损失。 叶片冷却结构包括用于使冷却空气（A）从基端部（12）朝向活动叶片（11）的叶片部分（14）流动的冷却通道（15），多个湍流器（21） 在相对于冷却空气（A）的流动方向倾斜的方式相互相对的冷却通路（15）的两壁面上形成有多个凹部（22），形成在下游区域 （N）在冷却空气（A）的流动方向上在相邻的湍流器（21）之间的冷却通道（15）的壁表面上的中心位置（O）的下游。

公开(公告)号：US20100137498A1

公开(公告)日：2010-06-03

申请号：US12452663

申请日：2008-08-08

申请人： Masao Kobayashi ,  Koichi Ogiso ,  Katsushi Ito ,  Kiyoshi Suenaga

发明人： Masao Kobayashi ,  Koichi Ogiso ,  Katsushi Ito ,  Kiyoshi Suenaga

IPC分类号： C08K3/34

CPC分类号： C08L23/10 ,  C08K3/346 ,  C08L23/0815 ,  C08L23/12 ,  C08L23/16 ,  C08L53/00 ,  C08L53/025 ,  C08L2205/03 ,  C08L2666/02

摘要： A resin composition is provided which is improved in fluidability, stiffness and impact resistance and therefore can achieve the reduction in wall thickness of a resin product for automotive interior/exterior applications comprising a polypropylene resin; and a resin product produced from the resin composition.The resin composition comprises 30 to 65 mass % of an ethylene-propylene block copolymer having a melt flow rate of 60 to 120 g/10 minutes and a Charpy impact strength of 3 kJ/m2 or more; 0 to 25 mass % of a homopolypropylene resin having a melt flow rate of 10 g/10 minutes or more and a modulus of elasticity of 2000 MPa or more; 5 to 20 mass % of an ethylene-α-olefin copolymer rubber having a Mooney viscosity of 20 to 75 or a styrene-ethylene butylenes-styrene copolymer having a styrene component content of 15 to 30 mass %; and 23 to 37 mass % of talc having an average particle diameter of 8 μm or less.

摘要翻译： 提供一种提高了流动性，刚度和耐冲击性的树脂组合物，因此可以实现包含聚丙烯树脂的汽车内部/外部应用的树脂制品的壁厚减小; 和由树脂组合物制成的树脂产品。 树脂组合物含有30〜65质量％的熔体流动速率为60〜120g / 10分钟，夏比冲击强度为3kJ / m 2以上的乙烯·丙烯嵌段共聚物， 0〜25质量％的熔体流动速率为10g / 10分钟以上，弹性模量为2000MPa以上的均聚丙烯树脂; 5至20质量％的门尼粘度为20至75的乙烯-α-烯烃共聚物橡胶或苯乙烯组分含量为15-30质量％的苯乙烯 - 乙烯丁烯 - 苯乙烯共聚物; 和23〜37质量％的平均粒径为8μm以下的滑石。