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    Adjustable pitch link
    1.
    发明公开
    Adjustable pitch link 有权
    Verstellbare Steuerstange

    公开(公告)号：EP2610168A1

    公开(公告)日：2013-07-03

    申请号：EP12194301.3

    申请日：2012-11-26

    申请人： Bell Helicopter Textron Inc.

    发明人： Biser, Joseph ,  Day, Clifton B. ,  Stamps, Frank B. ,  Spivey, Daniel

    IPC分类号： B64C13/30 ,  B64C27/59 ,  F16C7/06

    CPC分类号： B64C27/59 ,  B23P6/00 ,  B64C27/605 ,  F16C7/06 ,  F16C2326/43 ,  Y10T29/4973

    摘要： According to one embodiment, a pitch link (150; 200) includes a first link (240), a second link (250a) coupled to a first end of the first link, a third link (250b) coupled to a second end of the first link opposite the first end, and a first bearing housing (152a; 210a) having a first bearing (154a; 220a) and a second bearing housing (152b; 210b) having a second bearing (154b; 220b). The first bearing housing is removably coupled to the second link. The second link separates the first bearing housing from the first link. The second bearing housing is removably coupled to the third link. The third link separates the second bearing housing (152b; 210b) from the first link.

    摘要翻译： 根据一个实施例，音调链路（150; 200）包括第一链路（240），耦合到第一链路的第一端的第二链路（250a），耦合到第一链路的第二端 第一连杆与第一端相对，以及具有第一轴承（154a; 220a）的第一轴承壳体（152a; 210a）和具有第二轴承（154b; 220b）的第二轴承壳体（152b; 210b）。 第一轴承壳体可拆卸地联接到第二连杆。 第二连杆将第一轴承箱与第一连杆分开。 第二轴承壳体可拆卸地联接到第三连杆。 第三连杆将第二轴承壳体（152b; 210b）与第一连杆分开。

    Rotor system anti-rotation wear protector
    4.
    发明公开
    Rotor system anti-rotation wear protector 有权
    转子系统防旋转磨损保护器

    公开(公告)号：EP2589533A1

    公开(公告)日：2013-05-08

    申请号：EP11192679.6

    申请日：2011-12-08

    申请人： Bell Helicopter Textron Inc.

    发明人： Day, Clifton B. ,  Modrzejewski, Brian S.M. ,  Stark, Tim ,  Saiyed, Farid ,  Spivey, Danny

    IPC分类号： B64C27/605

    CPC分类号： B64C27/605

    摘要： A rotating control system includes a member having at least one clevis (46) defined by a pair of clevis arms (46a) disposed in a clevis plane, the at least one clevis (46) having an axis of symmetry disposed in the clevis plane midway between the pair of clevis arms, a shaft member (51) pivotally coupled between the pair of clevis arms, the shaft member (51) having a shaft axis, the shaft axis disposed axially along the shaft member (51), and an anti-rotation device (12, 65) for limiting a rotation of the shaft member (51) about the shaft axis, the anti-rotation device (12, 65) having a plurality of flanges (83) configured to couple to the clevis arms (46a) of the member, the flanges (83) extending from a surface (75) of a base member, the anti-rotation device (12, 65) having at least one restraining member (97) that protrudes toward the shaft member (51) for limiting the axial rotation of the shaft member (51).

    摘要翻译： 旋转控制系统包括具有由设置在U形夹平面中的一对U形夹臂（46a）限定的至少一个U形夹（46）的构件，所述至少一个U形夹（46）具有布置在U形夹平面中间的对称轴 在所述一对U形夹臂之间具有轴部件51，所述轴部件51枢轴连接在所述一对U形夹臂之间，所述轴部件51具有轴线轴，所述轴线轴线沿着所述轴部件51设置， （12,65），用于限制所述轴构件（51）绕所述轴线的旋转，所述防旋转装置（12,65）具有多个凸缘（83），所述凸缘配置成联接到所述U形夹臂（46a ），所述防旋转装置（12,65）具有朝向所述轴构件（51）突出的至少一个限制构件（97），所述凸缘（83）从基部构件的表面（75） 用于限制轴构件（51）的轴向旋转。