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    BIMETALLIC SHAFT FOR GEARBOX SYSTEMS TO LIMIT WEAR AND CORROSION
    13.
    发明申请
    BIMETALLIC SHAFT FOR GEARBOX SYSTEMS TO LIMIT WEAR AND CORROSION 有权
    用于齿轮系统的双金属轴限制磨损和腐蚀

    公开(公告)号：US20140256458A1

    公开(公告)日：2014-09-11

    申请号：US14225054

    申请日：2014-03-25

    Applicant: Bell Helicopter Textron Inc.

    Inventor： Scott Poster ,  David Bockmiller ,  Mark Przybyla

    IPC: F16C3/02

    CPC classification number: F16C3/023 ,  Y10T403/478 ,  Y10T403/74

    Abstract: A bimetallic shaft for use in gearbox applications wherein the member of shaft that protrudes from the gearbox is designed and constructed from a corrosion-resistant metallic compound to prevent corrosion and wear to exposed shaft material. A gearbox comprising a bimetallic shaft having a corrosion-resistant material on the portion of the bimetallic shaft that protrudes from a gearbox housing, wherein a gearbox shaft seal radially surrounds the bimetallic shaft. A method of providing a bimetallic gearbox shaft comprising: a first shaft member comprising a non-corrosion-resistant material and having a first shaft axis, a second shaft member comprising a corrosion-resistant material and having a second shaft axis, and a joint that permanently affixes the first shaft member to the second shaft member such that the first shaft axis is aligned with the second shaft axis.

    Abstract translation: 用于齿轮箱应用的双金属轴，其中从齿轮箱突出的轴的构件由耐腐蚀的金属化合物设计和构造，以防止暴露的轴材料的腐蚀和磨损。 一种变速箱，包括双金属轴，该双金属轴在双金属轴的从齿轮箱壳体突出的部分上具有耐腐蚀材料，其中齿轮箱轴密封件径向地包围双金属轴。 一种提供双金属齿轮箱轴的方法，包括：第一轴构件，包括不耐腐蚀材料并具有第一轴轴线，第二轴构件包括耐腐蚀材料并具有第二轴轴线，以及接头， 将第一轴构件永久地固定到第二轴构件，使得第一轴轴线与第二轴线对准。

    LUBRICATION SYSTEM WITH PASSIVE DRAIN VALVE
    14.
    发明申请
    LUBRICATION SYSTEM WITH PASSIVE DRAIN VALVE 有权
    带有被动排水阀的润滑系统

    公开(公告)号：US20140251732A1

    公开(公告)日：2014-09-11

    申请号：US13794063

    申请日：2013-03-11

    Applicant: Bell Helicopter textron Inc.

    Inventor： Scott Poster

    IPC: F16N13/22

    CPC classification number: F16N13/22 ,  B64C27/12 ,  F01M11/0004 ,  F01M11/12 ,  F16H57/0447

    Abstract: A lubrication system is disclosed. The lubrication system may have a collection area for collecting lubricating media and a pumping system for transporting the lubricating media from a withdrawal location of the collection area to a distribution location of the collection area. The lubricating media may collect in the collection area to a static level when the pumping system is off and to a dynamic level when the pumping system is on. The lubrication system may also include a drain valve located between the static level and the dynamic level. The drain valve may operable to open to drain a portion of the lubricating media in response to the lubricating media reaching a predefined threshold temperature and level. The valve may comprise a thermally-activated material, and the material may substantially change phase or volume upon reaching a predetermined temperature.

    Abstract translation: 公开了润滑系统。 润滑系统可以具有用于收集润滑介质的收集区域和用于将润滑介质从收集区域的取出位置输送到收集区域的分配位置的泵送系统。 当泵送系统关闭时，润滑介质可以在收集区域中收集到静态水平，并且当泵送系统打开时，润滑介质可以收集到静态水平。 润滑系统还可以包括位于静态水平和动态水平之间的排水阀。 排水阀可操作以打开以便响应于润滑介质达到预定阈值温度和水平而排出润滑介质的一部分。 阀可以包括热活化材料，并且该材料在达到预定温度时可以基本上改变相位或体积。

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