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    • 1. 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。
    • 2. 发明授权
    • Compressor casing
    • 压缩机外壳
    • US4522559A
    • 1985-06-11
    • US632691
    • 1984-07-23
    • Joseph C. BurgeJulius Bathori
    • Joseph C. BurgeJulius Bathori
    • F01D25/26F01D11/08
    • F01D25/26
    • In a compressor section of a gas turbine engine, a double wall casing is provided wherein a nonstructural inner wall is removably attached to a thin, structural outer casing. The inner wall isolates the thin stator outer casing during transient turbine operations of throttle burst and throttle chop. During throttle burst and chop, the nonstructural inner wall delays rapid heating and cooling of the relatively thin-walled outer casing, and reduces radial misalignment between the stator casing and rotor due to uneven thermal expansion and contraction. The nonstructural inner wall evens-out thermal expansion and contraction of the stator casing with respect to the rotor. To fine tune the actual clearances between stator and rotor and prevent the casing outer wall from overheating, thermal insulation material is used between the nonstructural inner wall and outer casing.
    • 在燃气涡轮发动机的压缩机部中,设置有双壁壁壳体,其中非结构内壁可移除地附接到薄的结构外壳。 内壁在节气门猝发和节流斩波的瞬时涡轮机操作期间隔离了薄定子外壳。 在节气门爆裂和斩波期间,非结构内壁延迟了相对薄壁外壳的快速加热和冷却,并且由于不均匀的热膨胀和收缩而减小了定子壳体和转子之间的径向不对准。 非结构性内壁相对于转子发现定子壳体的热膨胀和收缩。 为了微调定子和转子之间的实际间隙,防止套管外壁过热,在非结构内壁和外壳之间使用隔热材料。