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    • 1. 发明授权
    • Bore tube assembly for steam cooling a turbine rotor
    • 用于蒸汽冷却涡轮转子的孔管组件
    • US06435812B1
    • 2002-08-20
    • US09566726
    • 2000-05-09
    • Thomas Daniel DeStefanoIan David Wilson
    • Thomas Daniel DeStefanoIan David Wilson
    • F01D514
    • F01D5/185Y02T50/676
    • An axial bore tube assembly for a turbine is provided to supply cooling steam to hot gas components of the turbine wheels and return the spent cooling steam. A pair of inner and outer tubes define a steam supply passage concentric about an inner return passage. The forward ends of the tubes communicate with an end cap assembly having sets of peripheral holes communicating with first and second sets of radial tubes whereby cooling steam from the concentric passage is supplied through the end cap holes to radial tubes for cooling the buckets and return steam from the buckets is provided through the second set of radial tubes through a second set of openings of the end cap into the coaxial return passage. A radial-to-axial flow transitioning device, including anti-swirling vanes is provided in the end cap. A strut ring adjacent the aft end of the bore tube assembly permits axial and radial thermal expansion of the inner tube relative to the outer tube.
    • 提供了一种用于涡轮机的轴向孔管组件,以将冷却蒸汽供应到涡轮机叶轮的热气体部件并返回废冷却蒸汽。 一对内管和外管限定了围绕内返回通道同心的蒸汽供应通道。 管的前端与具有与第一和第二组径向管连通的一组周边孔的端盖组件连通,从而将来自同心通道的冷却蒸汽通过端盖孔供应到用于冷却桶和回流的径向管 通过第二组径向管通过端帽的第二组开口提供到同轴返回通道中。 在端盖中设置包括防旋转叶片的径向 - 轴向流动过渡装置。 邻近钻孔管组件的后端的支柱环允许内管相对于外管的轴向和径向热膨胀。
    • 3. 发明申请
    • TURBINE SEAL SYSTEM
    • 涡轮密封系统
    • US20120027584A1
    • 2012-02-02
    • US12848906
    • 2010-08-02
    • Josef Scott CumminsIan David Wilson
    • Josef Scott CumminsIan David Wilson
    • F01D25/00F01D5/08
    • F01D11/003F01D11/001Y02T50/671
    • In accordance with one embodiment, a system includes a multi-stage turbine including a first turbine stage including a first wheel having multiple first slots spaced circumferentially about the first wheel, and multiple first blade segments each coupled to at least one of the multiple first slots. The multi-stage turbine also includes a second turbine stage including a second wheel having multiple second slots spaced circumferentially about the second wheel, and multiple second blade segments each coupled to at least one of the multiple second slots. The multi-stage turbine further includes a one-piece interstage seal extending axially between the first and second turbine stages, wherein the one-piece interstage seal comprises a first radial support coupled to the first wheel and a second radial support coupled to the second wheel, and the one-piece interstage seal extends circumferentially across at least two of the multiple first slots or at least two of the multiple second slots.
    • 根据一个实施例,一种系统包括多级涡轮机,该多级涡轮机包括第一涡轮机级,该第一涡轮机级包括具有围绕第一车轮周向间隔开的多个第一槽的第一轮和多个第一叶片段,每个第一叶片段连接至多个第一槽 。 多级涡轮机还包括第二涡轮级,其包括具有围绕第二轮周向间隔开的多个第二狭槽的第二轮,以及多个第二叶片段,每个第二叶片段联接到多个第二狭槽中的至少一个。 多级涡轮机还包括在第一和第二涡轮级之间轴向延伸的单件级间密封件,其中单件级间密封件包括联接到第一轮的第一径向支撑件和联接到第二轮子的第二径向支撑件 并且所述单件级间密封件沿所述多个第一槽中的至少两个或所述多个第二槽中的至少两个周向延伸。
    • 5. 发明授权
    • Turbine seal system
    • 涡轮密封系统
    • US08511976B2
    • 2013-08-20
    • US12848906
    • 2010-08-02
    • Josef Scott CumminsIan David Wilson
    • Josef Scott CumminsIan David Wilson
    • F01D11/02F01D5/06
    • F01D11/003F01D11/001Y02T50/671
    • In accordance with one embodiment, a system includes a multi-stage turbine including a first turbine stage including a first wheel having multiple first slots spaced circumferentially about the first wheel, and multiple first blade segments each coupled to at least one of the multiple first slots. The multi-stage turbine also includes a second turbine stage including a second wheel having multiple second slots spaced circumferentially about the second wheel, and multiple second blade segments each coupled to at least one of the multiple second slots. The multi-stage turbine further includes a one-piece interstage seal extending axially between the first and second turbine stages, wherein the one-piece interstage seal comprises a first radial support coupled to the first wheel and a second radial support coupled to the second wheel, and the one-piece interstage seal extends circumferentially across at least two of the multiple first slots or at least two of the multiple second slots.
    • 根据一个实施例,一种系统包括多级涡轮机,该多级涡轮机包括第一涡轮机级,该第一涡轮机级包括具有围绕第一车轮周向间隔开的多个第一槽的第一轮和多个第一叶片段,每个第一叶片段连接至多个第一槽 。 多级涡轮机还包括第二涡轮级,其包括具有围绕第二轮周向间隔开的多个第二狭槽的第二轮,以及多个第二叶片段,每个第二叶片段联接到多个第二狭槽中的至少一个。 多级涡轮机还包括在第一和第二涡轮级之间轴向延伸的单件级间密封件,其中单件级间密封件包括联接到第一轮的第一径向支撑件和联接到第二轮子的第二径向支撑件 并且所述单件级间密封件沿所述多个第一槽中的至少两个或所述多个第二槽中的至少两个周向延伸。