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    • 37. 发明公开
    • Annulus filler for a rotor disk of a gas turbine
    • RingförmigesZwischenstückfüreine Rotorscheibe einer Gurburbine
    • EP2447476A2
    • 2012-05-02
    • EP11184582.2
    • 2011-10-11
    • Rolls-Royce plc
    • Bottome, Kristofer
    • F01D11/00
    • F02C7/05F01D11/008F05D2220/36F05D2250/75F05D2260/30F05D2300/173F05D2300/603F05D2300/614Y02T50/672
    • An annulus filler is provided for mounting to a rotor disc of a gas turbine engine and for bridging the gap between two adjacent blades attached to the rotor disc. The annulus filler has a body portion which defines an airflow surface for air being drawn through the engine. The annulus filler further has a front attachment formation which connects a forward end of the body portion to the rotor disc and which allows rotational movement of the body portion thereabout. The annulus filler further has a rear attachment formation which connects a rearward end of the body portion to the rotor disc. The rear attachment formation comprises a spring element which extends between the body portion and the rotor disc. The spring element expands under operational centrifugal loading such that the rearward end of the body portion moves radially outwardly with the body portion rotating about the front attachment formation.
    • 提供了一种环形填料,用于安装到燃气涡轮发动机的转子盘,并用于桥接附接到转子盘的两个相邻叶片之间的间隙。 环形填料具有主体部分,其限定用于空气被吸入发动机的气流表面。 环形填料还具有将本体部分的前端与转子盘连接并允许主体部分在其周围的旋转运动的前附接结构。 环形填料还具有将主体部分的后端连接到转子盘的后连接结构。 后附接结构包括在主体部分和转子盘之间延伸的弹簧元件。 弹簧元件在操作的离心载荷下膨胀,使得主体部分的后端径向向外移动,主体部分围绕前附接结构旋转。