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    • 1. 发明专利
    • Perimeter-cooled turbine bucket airfoil cooling hole location, style and configuration
    • 涡轮冷却涡轮机气缸空气冷却孔位置,样式和配置
    • JP2005054804A
    • 2005-03-03
    • JP2004230070
    • 2004-08-06
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • CLEVELAND PETER GAINESBEDDARD THOMAS BRADLEY
    • F01D5/18F01D5/20
    • F01D5/20F01D5/141F01D5/187F05D2260/22141Y10S416/02
    • PROBLEM TO BE SOLVED: To provide an aerofoil part for a first-stage bucket having the optimum number, position, form, and size of cooling holes disposed at the periphery to send cooling medium.
      SOLUTION: The turbine stage one bucket has the aerofoil part having a plurality of cooling holes penetrating the aerofoil part from 0% span to 100% span for sending cooling air to the tip of the aerofoil part to flow into a high-temperature gas passage. X- and Y-coordinate values are given in table I, locating the holes relative to the airfoil profile at aerofoil profile sections of 5%, 50%, and 90% span. The table I also gives diameter of the holes. The cooling holes can thus be optimized to the aerofoil part of the turbine bucket. The cooling holes are also located in relation to the profile of the bucket aerofoil part given by the X-. Y-, and Z-coordinate values of table II. The two coordinate systems have the same origin.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为具有设置在周边的冷却孔的最佳数量,位置,形式和尺寸的第一级桶提供机翼部件以发送冷却介质。 解决方案:涡轮级一桶具有机翼部分,其具有从0%跨度穿透机翼部分到100%跨度的多个冷却孔,用于将冷却空气发送到机翼部分的尖端以流入高温 气体通道。 X和Y坐标值在表I中给出,在5%,50%和90%跨度的翼型剖面上将孔相对于翼型轮廓定位。 桌子我也给出了孔的直径。 因此,冷却孔可以优化到涡轮机桶的机翼部分。 冷却孔也相对于X轴给出的铲斗机翼部分的轮廓而定位。 Y和Z坐标值。 两个坐标系具有相同的起点。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • End edge profile of tip shroud of turbine bucket
    • 涡轮机底盘边缘剖面图
    • JP2005036810A
    • 2005-02-10
    • JP2004209304
    • 2004-07-16
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • SNOOK DANIEL DAVIDCLEVELAND PETER GAINES
    • F01D5/14F01D5/20F01D5/22
    • F01D5/225F05D2250/70
    • PROBLEM TO BE SOLVED: To provide profiles of the front and the rear edges of a tip shroud supported by a blade profile part.
      SOLUTION: A turbine bucket(24) contains a bucket blade profile part(36) having the tip shroud(40), and the tip shroud(40) has the front and the rear edges(46, 48). Then the profiles of the front and the rear edges are determined according to Cartesian coordinate values of X and Y at the points 12 to 20 and 1 to 11 described in Table 1 respectively. The values of X and Y are distances indicated by the inch, forming the profiles of the front and the rear edges of the tip shroud when the points 12 to 20 and 1 to 11 are connected by a smooth continuous arc. A profile of the blade profile part at a 95% span is determined by Cartesian coordinate values of X, Y and Z described in Table 2 which has the same X and Y origin points along an origin point of Table 1 and the Z axis. The front and the rear edges outlined and adapted to the profile of the blade profile part of the tip shroud produce optimum mass distribution of the tip shroud which maximizes the life of a creep.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供由叶片轮廓部分支撑的尖端护罩的前边缘和后边缘的轮廓。 解决方案:涡轮机叶片(24)包含具有尖端护罩(40)的铲斗叶片轮廓部分(36),并且尖端护罩(40)具有前边缘和后边缘(46,48)。 然后根据表1中所示的点12至20和1至11,根据X和Y的笛卡尔坐标值确定前边缘和后边缘的轮廓。 X和Y的值是由英寸表示的距离,当点12至20和1至11通过平滑的连续弧连接时,形成尖端护罩的前边缘和后边缘的轮廓。 在95%跨度处的叶片轮廓部分的轮廓由表2中描述的X,Y和Z的笛卡尔坐标值确定,其具有沿着表1的原点和Z轴具有相同的X和Y原点。 前缘和后缘被勾勒并适应于尖端护罩的叶片轮廓部分的轮廓,产生最大化蠕变寿命的尖端罩的最佳质量分布。 版权所有(C)2005,JPO&NCIPI