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    • 3. 发明公开
    • 터빈 버킷 및 터빈
    • 涡轮机和涡轮机,以降低基础冷却孔中的热力和机械应力,并改善涡轮机的多个阶段之间的相互作用
    • KR1020040103333A
    • 2004-12-08
    • KR1020040037710
    • 2004-05-27
    • 제너럴 일렉트릭 캄파니
    • 장시우장제임스치우라토안쏘니아론블랙레이첼키아노페셋스카이데이빗새뮤얼
    • F01D5/18
    • F01D5/141F05D2220/3212F05D2240/301F05D2250/74Y10S416/02
    • PURPOSE: A turbine bucket and a turbine are provided to improve the air dynamic efficiency and to reduce the thermal and the mechanical stress of a first stage airfoil. CONSTITUTION: An airfoil(36) has a nominal profile according to rectangular coordinates values of X, Y and Z. The Z value is a dimensionless value of zero or one and converted to a Z distance of inch unit by multiplying a height of the airfoil to the Z value. The X value and the Y value are distances of inch unit to define an airfoil profile section(38) from each distance Z when connecting with a smooth continuous arc. The profile section from the Z distance forms a complete airfoil shape by combining smoothly. Thereby, the thermal and the mechanical stress in a root cooling hole of a tailing edge is reduced.
    • 目的:提供涡轮机叶轮和涡轮以提高空气动力效率并降低第一级翼型的热和机械应力。 构成:翼型(36)具有根据X,Y和Z的直角坐标值的标称轮廓.Z值是零或一的无量纲值,并通过乘以翼型的高度而转换为英寸单位的Z距离 到Z值。 当与光滑的连续弧连接时,X值和Y值是从每个距离Z定义翼型轮廓部分(38)的英寸单位的距离。 从Z距离的轮廓部分平滑地组合形成完整的翼型形状。 因此,尾部边缘的根部冷却孔的热和机械应力降低。
    • 6. 发明公开
    • 터빈 버킷 및 터빈
    • 涡轮机和涡轮机相关于两级涡轮马桶的内核轮廓
    • KR1020040093428A
    • 2004-11-05
    • KR1020040029013
    • 2004-04-27
    • 제너럴 일렉트릭 캄파니
    • 맥그라쓰에드워드리라그란쥐벤자민아네트치우라토안쏘니아론
    • F01D5/18
    • F01D5/147F01D5/18F01D5/187F05D2220/321F05D2220/3213F05D2250/74
    • PURPOSE: A turbine bucket and a turbine are provided to improve interaction between stages of the turbine and to improve aerodynamic efficiency and mechanical load. CONSTITUTION: A turbine bucket(20) includes an airfoil, a platform(30), a shank(37), and a dovetail(34). The turbine bucket substantially has an inner nominal core profile(40) according to rectangular coordinate values of X, Y, Z. The Z value is a dimensionless value of 0¯1 and is convertible into Z distance of an inch unit by multiplying the Z value by the bucket height of the inch unit. The X and Y are distance of the inch unit defining the inner core profile in the each distance Z when the X and Y are connected in a smooth continuous circular arc. The profile sections in Z are smoothly combined to each other. The bucket has side walls and ribs extended between the side walls. The ribs are separated from each other between a leading edge and a trailing edge of the bucket. The ribs define an inner cooling passage along the length of the bucket together with the inner wall surface of the side walls. The smooth continuous circular arc is extended along the inner wall surface of the cooling passage between adjacent passages along the side walls.
    • 目的:提供涡轮机叶轮和涡轮机,以改善涡轮机两级之间的相互作用,并提高空气动力学效率和机械载荷。 构造:涡轮机桶(20)包括翼型件,平台(30),柄(37)和燕尾(34)。 涡轮叶片基本上具有根据X,Y,Z的直角坐标值的内标称芯轮廓(40).Z值是0¯1的无量纲值,并且通过将Z乘以Z可以转换成Z英寸单位的Z距离 值乘以英寸单位的铲斗高度。 当X和Y以平滑连续的圆弧连接时,X和Y是限定每个距离Z内的内芯轮廓的英制单元的距离。 Z中的轮廓部分彼此平滑地组合。 铲斗具有在侧壁之间延伸的侧壁和肋条。 肋在桶的前缘和后缘之间彼此分离。 这些肋条与侧壁的内壁表面一起沿着铲斗的长度限定内部冷却通道。 光滑的连续圆弧沿着沿着侧壁的相邻通道之间的冷却通道的内壁表面延伸。