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    METHOD FOR MANUFACTURING A HOT GAS PATH COMPONENT
    5.
    发明申请
    METHOD FOR MANUFACTURING A HOT GAS PATH COMPONENT 审中-公开
    制造热气路径成分的方法

    公开(公告)号：US20130313307A1

    公开(公告)日：2013-11-28

    申请号：US13479710

    申请日：2012-05-24

    申请人： Benjamin Paul Lacy ,  Srikanth Chandrudu Kottilingam ,  Brian Lee Tollison

    发明人： Benjamin Paul Lacy ,  Srikanth Chandrudu Kottilingam ,  Brian Lee Tollison

    IPC分类号： B23K31/02

    CPC分类号： F01D5/187 ,  F05D2230/232

    摘要： A method for manufacturing a cooling passage in a component of a machine is described. The method may include: forming a channel in a surface of the component, the channel having a predetermined configuration; forming a cover wire, the cover wire having a predetermined configuration based on the predetermined configuration of the channel; nesting the cover wire in the channel; and welding the nested cover wire to the component such that the channel is enclosed.

    摘要翻译： 描述了一种用于在机器的部件中制造冷却通道的方法。 所述方法可以包括：在所述部件的表面中形成通道，所述通道具有预定的构造; 形成盖线，所述盖线基于所述通道的预定配置具有预定配置; 将盖线嵌入通道中; 并将嵌套的盖线焊接到部件上，使得通道被封闭。

    TURBINE COMPONENT WITH NEAR-SURFACE COOLING PASSAGE AND PROCESS THEREFOR
    7.
    发明申请
    TURBINE COMPONENT WITH NEAR-SURFACE COOLING PASSAGE AND PROCESS THEREFOR 审中-公开
    具有近表面冷却通风的涡轮机组件及其过程

    公开(公告)号：US20120156054A1

    公开(公告)日：2012-06-21

    申请号：US12968410

    申请日：2010-12-15

    申请人： Benjamin Paul Lacy ,  David Vincent Bucci ,  Srikanth Chandrudu Kottilingam ,  Dennis William Cavanaugh

    发明人： Benjamin Paul Lacy ,  David Vincent Bucci ,  Srikanth Chandrudu Kottilingam ,  Dennis William Cavanaugh

    IPC分类号： F01D5/18 ,  B22D23/00 ,  B05D3/12

    CPC分类号： F01D5/288 ,  B23P2700/06 ,  C23C28/321 ,  C23C28/3215 ,  C23C28/3455 ,  F01D5/18 ,  F01D5/186 ,  F05D2230/20 ,  Y02T50/673 ,  Y02T50/676 ,  Y02T50/6765

    摘要： A process for creating a near-surface cooling passage in an air-cooled turbomachine component. The process entails forming a channel in a surface of a surface region of the component so that the channel is open at the surface and fluidically connected to a first cooling passages within the component. A metallic layer is then deposited on the surface and over the channel without filling the channel. The metallic layer closes the channel at the surface of the surface region to define therewith a second cooling passage within the component that is fluidically connected to the first cooling passages. A coating system is then deposited on the metallic layer to define an outermost surface of the component. The second cooling passage is closer to the outermost surface of the component than the first cooling passages.

    摘要翻译： 一种用于在空气冷却涡轮机组件中形成近地面冷却通道的方法。 该过程需要在部件的表面区域的表面中形成通道，使得通道在表面处是开放的并且与部件内的第一冷却通道流体连接。 然后将金属层沉积在表面上并在通道上沉积，而不填充通道。 金属层封闭在表面区域的表面处的通道，以限定该部件内的与第一冷却通道流体连接的第二冷却通道。 然后将涂层系统沉积在金属层上以限定该组件的最外表面。 第二冷却通道比第一冷却通道更靠近部件的最外表面。

    PROCESS AND APPARATUS FOR OVERLAY WELDING
    8.
    发明申请
    PROCESS AND APPARATUS FOR OVERLAY WELDING 审中-公开
    焊接过程和装置

    公开(公告)号：US20130086911A1

    公开(公告)日：2013-04-11

    申请号：US13253189

    申请日：2011-10-05

    申请人： Dechao Lin ,  Srikanth Chandrudu Kottilingam ,  Yan Cui ,  Ibrahim Ucok ,  Brian Lee Tollison

    发明人： Dechao Lin ,  Srikanth Chandrudu Kottilingam ,  Yan Cui ,  Ibrahim Ucok ,  Brian Lee Tollison

    IPC分类号： F02C7/22 ,  B23K9/04

    CPC分类号： B23K9/042 ,  F02C7/222 ,  F05D2230/232 ,  F05D2230/31 ,  F05D2230/80

    摘要： An apparatus and process for depositing an overlay weld on a substrate in a manner that reduces dilution of the substrate material. A consumable electrode is positioned in proximity to the surface of the substrate, and an electrical potential is applied between the electrode and substrate to generate an electrical arc therebetween. The arc melts the electrode and forms a molten spray that deposits on the substrate surface. Energy of the electric arc is absorbed to reduce the temperature at the substrate surface by feeding an additional filler material into the electric arc toward its center axis. The filler material continuously melts prior to reaching the center axis of the electric arc, and the electrode and filler materials are simultaneously deposited to form the overlay weld on the substrate. Sufficient energy is absorbed by the filler material to reduce intermixing between the overlay weld and the substrate.

    摘要翻译： 一种用于以减少衬底材料的稀释的方式在衬底上沉积覆盖焊缝的装置和工艺。 消耗性电极位于基板的表面附近，并且在电极和基板之间施加电势以在它们之间产生电弧。 电弧熔化电极并形成沉积在基板表面上的熔融喷雾。 吸收电弧的能量，以通过向其中心轴线向电弧供给附加的填充材料来降低衬底表面的温度。 填充材料在到达电弧的中心轴线之前连续熔融，同时沉积电极和填充材料，以在衬底上形成覆盖焊缝。 足够的能量被填充材料吸收，以减少覆盖焊缝和衬底之间的混合。