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    • 3. 发明授权
    • Torque tube bearing assembly
    • 扭矩管轴承总成
    • US06821084B2
    • 2004-11-23
    • US10316778
    • 2002-12-11
    • Julius BathoriSang Yeng ParkMitchell Jay Headley
    • Julius BathoriSang Yeng ParkMitchell Jay Headley
    • F01D1108
    • F16C23/045F01D25/16F04D29/563F16C35/02F16C2360/23
    • A bearing assembly for use in a gas turbine engine to rotatably mount a torque tube in an access hole extending through a fan duct. The torque tube connects a variable stator vane bell crank positioned inside the fan duct to an actuator positioned outside the fan duct. The bearing assembly includes a bearing having a spherical external engagement surface and a housing having a flange and an annular interior surface having an inner edge and an outer edge. The interior surface is sized and shaped for rotatably receiving the spherical external engagement surface of the bearing so the spherical engagement surface and the annular interior surface make contact along an annular contact area centered on a contact plane lying between the inner and outer edges. The contact plane is tilted with respect to the flange at an angle greater than five degrees.
    • 一种用于燃气涡轮发动机的轴承组件,用于将扭矩管可旋转地安装在延伸穿过风扇导管的进入孔中。 扭矩管将位于风扇管道内部的可变定子叶片钟形曲柄连接到位于风扇导管外部的致动器。 轴承组件包括具有球形外接合表面的轴承和具有凸缘的壳体和具有内边缘和外边缘的环形内表面。 内表面的尺寸和形状适于可旋转地接收轴承的球形外部接合表面,使得球形接合表面和环形内表面沿着位于内边缘和外边缘之间的接触平面为中心的环形接触区域接触。 接触平面以大于5度的角度相对于凸缘倾斜。
    • 6. 发明授权
    • Variable stator vane support arrangement
    • 可变定子叶片支撑装置
    • US06682299B2
    • 2004-01-27
    • US09999275
    • 2001-11-15
    • Wayne Ray BowenJeffrey Clayton PotterMitchell Jay Headley
    • Wayne Ray BowenJeffrey Clayton PotterMitchell Jay Headley
    • F01D1716
    • F16C17/10F01D9/02F01D11/001F01D17/162F04D29/563Y02T50/672
    • A trunnion support for a variable-position stator vane in a turbomachine. The stator vane includes an upper trunnion and a lower trunnion to allow the stator vane to be pivoted about a longitudinal axis. The lower trunnion is supported in a bushing that is carried in an opening provided in an annular stator vane carrier ring. The bushing is longitudinally split and is installed in the carrier ring while in a laterally compressed condition so that when installed in the carrier ring the bushing bears against the carrier ring opening in which it is positioned. When the carrier ring material expands with rising temperature, the pre-stress in the bushing will cause it to expand to maintain tight frictional engagement between the bushing and the opening and thereby prevent relative rotation between the bushing and the carrier ring to minimize wear of the carrier ring material.
    • 用于涡轮机中可变位置定子叶片的耳轴支撑。 定子叶片包括上耳轴和下耳轴,以允许定子叶片围绕纵向轴线枢转。 下耳轴支撑在被设置在环形定子叶片承载环中的开口中的衬套中。 衬套纵向分开,并且在横向压缩状态下安装在承载环中,使得当安装在承载环中时,衬套抵靠在其定位的承载环开口上。 当载体环材料随着温度升高而膨胀时,衬套中的预应力将使其膨胀以保持衬套和开口之间的紧密摩擦接合,从而防止衬套和承载环之间的相对旋转,以最小化 载体环材料。