Ceramic turbine nozzle including a radially splined mounting surface
    1.
    发明授权
    Ceramic turbine nozzle including a radially splined mounting surface 失效
    陶瓷涡轮喷嘴包括径向花键安装表面

    公开(公告)号:US06261056B1

    公开(公告)日:2001-07-17

    申请号:US09404224

    申请日:1999-09-23

    申请人: Daniel E. Wilson

    发明人: Daniel E. Wilson

    IPC分类号: F01D900

    摘要: A ceramic nozzle for a gas turbine stage of a turbomachine (e.g., a turbopump) includes a splined mounting surface. Ceramic splines on the nozzle mounting surface are interlocked with metal mating splines on a surface of a turbine housing to prevent the nozzle from rotating relative to the housing. Both sets of splines extend in a radial direction, are straight and have trapezoidal shapes in transverse cross-section. These splines maintain a constant contact angle during large temperature excursions, when inherent thermal growth mismatches between ceramic and metal occur.

    摘要翻译: 用于涡轮机(例如,涡轮泵)的燃气轮机级的陶瓷喷嘴包括花键安装表面。 喷嘴安装表面上的陶瓷花键与涡轮机壳体的表面上的金属配合花键互锁,以防止喷嘴相对于壳体旋转。 两组花键在径向方向上延伸,呈直线状,横截面呈梯形。 当陶瓷和金属之间发生固有的热生长错配时,这些花键在大温度偏移期间保持恒定的接触角。