Fan blade compliant layer and seal
    71.
    发明申请
    Fan blade compliant layer and seal 失效
    风扇叶片兼容层和密封

    公开(公告)号:US20020044870A1

    公开(公告)日:2002-04-18

    申请号:US09813626

    申请日:2001-03-19

    Abstract: A compliant shim for use between the root of a gas turbine fan blade and a dovetail groove in a gas turbine rotor disk to reduce fretting therebetween. The compliant shim has first and second slots for engaging tabs extending from the fan blade root. The slots and tabs cooperate to hold the shim during engine operation. An oxidation layer covers the compliant shim. The shim is augmented with an upstanding wall and a seal element to seal the gap that exists between platform edges of adjacent fan blades. This simple combination solves two complex problems, fatigue of fan assembly parts and loss of operating efficiency caused by fluid flow leakage.

    Abstract translation: 用于在燃气轮机风扇叶片的根部和燃气涡轮机转子盘中的燕尾槽之间使用的柔性垫片以减少它们之间的微动。 顺应垫片具有第一和第二槽,用于接合从风扇叶片根延伸的突出部。 在发动机运行期间,槽和接头配合起来保持垫片。 氧化层覆盖柔顺垫片。 垫片被增强了一个直立的墙壁和密封元件,以密封相邻风扇叶片的平台边缘之间存在的间隙。 这种简单的组合解决了两个复杂的问题,风扇组件的疲劳和流体泄漏导致的运行效率的损失。

    Extending Useful Life of a Cobalt-Based Gas Turbine Component
    80.
    发明申请
    Extending Useful Life of a Cobalt-Based Gas Turbine Component 有权
    延长钴基燃气轮机组件的使用寿命

    公开(公告)号:US20120084980A1

    公开(公告)日:2012-04-12

    申请号:US12902902

    申请日:2010-10-12

    Abstract: A method of extending the useable life of a gas turbine component fabricated from a cobalt-based alloy is disclosed. The method includes applying a rejuvenation process to the alloy where the alloy is placed in a protected atmosphere and heated to three different elevated temperatures and held at the elevated temperatures for approximately four hours each. Application of the rejuvenation process allows gas turbine components to be returned to service for at least one more service interval of approximately 24,000 operating hours.

    Abstract translation: 公开了一种延长由钴基合金制成的燃气轮机部件的使用寿命的方法。 该方法包括将合金置于受保护的气氛中并加热到三种不同的升高温度并在高温下保持大约四个小时的合金应用复原过程。 复原过程的应用使得燃气轮机组件能够返回服务至少一个更多的服务间隔大约24,000个工作小时。

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