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    • 1. 发明授权
    • Turbine assembly with end-wall-contoured airfoils and preferenttial clocking
    • 涡轮机组件,具有端壁波纹的翼型和不均匀的时钟
    • US08684684B2
    • 2014-04-01
    • US12872770
    • 2010-08-31
    • Jeffrey Donald ClementsVidhu Shekhar PandeyChing-Pang Lee
    • Jeffrey Donald ClementsVidhu Shekhar PandeyChing-Pang Lee
    • F01D1/02
    • F01D9/041F01D5/143
    • A turbine apparatus includes: A first nozzle comprising an array of first vanes each including a concave pressure side, a convex suction side, and leading and trailing edges; A rotor downstream from the first nozzle comprising a plurality of blades carried by a rotatable disk; and a second nozzle disposed downstream from the rotor comprising an array of second vanes each including a concave pressure side, a convex suction side, and leading and trailing edges; wherein the first and second vanes of the first and second nozzles are circumferentially clocked relative to each other such that, in a predetermined operating condition, wakes discharged from the first vanes are aligned in a circumferential direction with the leading edges of the second vanes, wherein a stacking axis of the first vanes is nonlinear. An inner band of the first nozzle is contoured in a non-axisymmetric shape.
    • 涡轮装置包括:第一喷嘴,包括第一叶片阵列,每个叶片包括凹压侧,凸吸入侧,以及前缘和后缘; 第一喷嘴下游的转子包括由可旋转盘承载的多个叶片; 以及设置在所述转子的下游的第二喷嘴,包括第二叶片的阵列,每个叶片包括凹压侧,凸吸入侧以及前缘和后缘; 其中所述第一和第二喷嘴的所述第一和第二叶片相对于彼此沿圆周方向定时,使得在预定操作条件下,从所述第一叶片排出的骤冷器沿周向与所述第二叶片的前缘对齐,其中 第一叶片的堆叠轴线是非线性的。 第一喷嘴的内带是非轴对称的形状。
    • 5. 发明申请
    • TURBINE ASSEMBLY WITH END-WALL-CONTOURED AIRFOILS AND PREFERENTTIAL CLOCKING
    • 涡轮组件,带有端壁式空气和优选时钟
    • US20120051894A1
    • 2012-03-01
    • US12872770
    • 2010-08-31
    • Jeffrey Donald ClementsVidhu Shekhar PandeyChing-Pang Lee
    • Jeffrey Donald ClementsVidhu Shekhar PandeyChing-Pang Lee
    • F04D29/44
    • F01D9/041F01D5/143
    • A turbine apparatus includes: A first nozzle comprising an array of first vanes each including a concave pressure side, a convex suction side, and leading and trailing edges; A rotor downstream from the first nozzle comprising a plurality of blades carried by a rotatable disk; and a second nozzle disposed downstream from the rotor comprising an array of second vanes each including a concave pressure side, a convex suction side, and leading and trailing edges; wherein the first and second vanes of the first and second nozzles are circumferentially clocked relative to each other such that, in a predetermined operating condition, wakes discharged from the first vanes are aligned in a circumferential direction with the leading edges of the second vanes, wherein a stacking axis of the first vanes is nonlinear. An inner band of the first nozzle is contoured in a non-axisymmetric shape.
    • 涡轮装置包括:第一喷嘴,包括第一叶片阵列,每个叶片包括凹压侧,凸吸入侧,以及前缘和后缘; 第一喷嘴下游的转子包括由可旋转盘承载的多个叶片; 以及设置在所述转子的下游的第二喷嘴,包括第二叶片的阵列,每个叶片包括凹压侧,凸吸入侧以及前缘和后缘; 其中所述第一和第二喷嘴的所述第一和第二叶片相对于彼此沿圆周方向定时,使得在预定操作条件下,从所述第一叶片排出的骤冷器沿周向与所述第二叶片的前缘对齐,其中 第一叶片的堆叠轴线是非线性的。 第一喷嘴的内带是非轴对称的形状。
    • 8. 发明申请
    • TURBINE NOZZLE WITH CONTOURED BAND
    • 涡轮喷嘴带轮廓带
    • US20120051900A1
    • 2012-03-01
    • US12872485
    • 2010-08-31
    • Jeffery Donald ClementsVidhu Shekhar PandeyChing-Pang Lee
    • Jeffery Donald ClementsVidhu Shekhar PandeyChing-Pang Lee
    • F01D1/02
    • F01D9/02F01D9/04
    • A turbine nozzle includes an array of turbine vanes between inner and outer bands. Each vane includes opposed pressure and suction sides extending between opposed leading and trailing edges. The vanes define a plurality of flow passages each of which is bounded between the inner band, the outer band, and adjacent first and second vanes. A surface of the inner band in each of the passages is contoured in a non-axisymmetric shape including a peak of relatively higher radial height adjoining the pressure side of the first vane adjacent its leading edge, and a trough of relatively lower radial height is disposed parallel to and spaced-away from the suction side of the second vane aft of its leading edge. The peak and trough define cooperatively define an arcuate channel extending axially along the inner band between the first and second vanes.
    • 涡轮喷嘴包括在内带和外带之间的涡轮叶片阵列。 每个叶片包括在相对的前缘和后缘之间延伸的相对的压力和吸力侧。 叶片限定多个流动通道,每个流动通道限定在内带,外带和相邻的第一和第二叶片之间。 每个通道中的内带表面的轮廓是非轴对称的形状,包括邻近第一叶片邻近其前缘的压力侧相对较高的径向高度的峰,并且设置相对较低径向高度的槽 平行于其前缘的第二叶片后部的吸入侧并与其间隔开。 峰和槽限定协同地限定沿着第一和第二叶片之间的内带轴向延伸的弓形通道。
    • 9. 发明授权
    • Turbine nozzle with contoured band
    • 涡轮喷嘴带轮廓带
    • US08727716B2
    • 2014-05-20
    • US12872485
    • 2010-08-31
    • Jeffrey Donald ClementsVidhu Skekhar PandeyChing-Pang Lee
    • Jeffrey Donald ClementsVidhu Skekhar PandeyChing-Pang Lee
    • F01D9/04
    • F01D9/02F01D9/04
    • A turbine nozzle includes an array of turbine vanes between inner and outer bands. Each vane includes opposed pressure and suction sides extending between opposed leading and trailing edges. The vanes define a plurality of flow passages each of which is bounded between the inner band, the outer band, and adjacent first and second vanes. A surface of the inner band in each of the passages is contoured in a non-axisymmetric shape including a peak of relatively higher radial height adjoining the pressure side of the first vane adjacent its leading edge, and a trough of relatively lower radial height is disposed parallel to and spaced-away from the suction side of the second vane aft of its leading edge. The peak and trough define cooperatively define an arcuate channel extending axially along the inner band between the first and second vanes.
    • 涡轮喷嘴包括在内带和外带之间的涡轮叶片阵列。 每个叶片包括在相对的前缘和后缘之间延伸的相对的压力和吸力侧。 叶片限定多个流动通道,每个流动通道限定在内带,外带和相邻的第一和第二叶片之间。 每个通道中的内带表面的轮廓是非轴对称的形状,包括邻近第一叶片邻近其前缘的压力侧相对较高的径向高度的峰,并且设置相对较低径向高度的槽 平行于其前缘的第二叶片后部的吸入侧并与其间隔开。 峰和槽限定协同地限定沿着第一和第二叶片之间的内带轴向延伸的弓形通道。