Flexible support structure for a geared architecture gas turbine engine
    14.
    发明授权
    Flexible support structure for a geared architecture gas turbine engine 有权
    适用于齿轮架构燃气涡轮发动机的柔性支撑结构

    公开(公告)号:US09410608B2

    公开(公告)日:2016-08-09

    申请号:US13938466

    申请日:2013-07-10

    Abstract: A geared architecture for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a fan shaft, a frame which supports the fan shaft, the frame defines a frame stiffness and a plurality of gears which drives the fan shaft. A flexible support defines a flexible support stiffness that is less than the frame stiffness. The plurality of gears are supported by at least one of a carrier and the flexible support and an input coupling to the plurality of gears, the input coupling defines an input coupling stiffness with respect to the frame stiffness.

    Abstract translation: 根据本公开的示例性方面的用于燃气涡轮发动机的齿轮架构包括风扇轴,支撑风扇轴的框架,框架限定框架刚度和驱动风扇的多个齿轮 轴。 柔性支撑件限定了小于框架刚度的柔性支撑刚度。 多个齿轮由载体和柔性支撑件中的至少一个支撑,以及与多个齿轮的输入联接,输入联接器限定相对于框架刚度的输入联接刚度。

    GEARED ARCHITECTURE TO PROTECT CRITICAL HARDWARE DURING FAN BLADE OUT
    15.
    发明申请
    GEARED ARCHITECTURE TO PROTECT CRITICAL HARDWARE DURING FAN BLADE OUT 审中-公开
    用于风扇叶片保护关键硬件的齿轮架构

    公开(公告)号:US20160017746A1

    公开(公告)日:2016-01-21

    申请号:US14773924

    申请日:2013-12-03

    Abstract: A turbofan engine including a fan section including a plurality of fan blades rotatable about an axis, a compressor including a plurality of compressor blades, a turbine including a plurality of turbine blades and a geared architecture driven by the turbine for driving the fan section at a speed and direction different than the turbine is disclosed. A rub strip proximate at least one of the compressor blades, the turbine blades and the fan blades slows rotation when engaged. The rub strip generates a torque opposing rotation when in an engaged condition that is between 2 and 6 times a torque encountered in a non-engaged condition.

    Abstract translation: 一种涡轮风扇发动机,其包括风扇部分,所述风扇部分包括可围绕轴线旋转的多个风扇叶片,包括多个压缩机叶片的压缩机,包括多个涡轮机叶片的涡轮机以及由所述涡轮机驱动的齿轮架构, 公开了与涡轮机不同的速度和方向。 接近压缩机叶片,涡轮机叶片和风扇叶片中的至少一个的摩擦带在接合时减慢旋转。 当处于非接合状态下遇到的扭矩的2至6倍的接合状态时,摩擦带产生相反的转矩。

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