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    • 2. 发明申请
    • AERODYNAMIC BLADE ATTACHMENT FOR A BEARINGLESS ROTOR OF A HELICOPTER
    • 直升机无轴承转子的动态叶片附件
    • US20130315734A1
    • 2013-11-28
    • US13785696
    • 2013-03-05
    • Eurocopter Deutschland GmbH
    • Gerald Kuntze-FechnerMarkus BauerMartin Ortner
    • B64C27/33
    • B64C27/33B64C27/48B64C27/50
    • An aerodynamic blade attachment (1) for a bearingless rotor, particularly a main rotor, of a helicopter, comprising: an airfoil blade (2) having a tip end and a root end and having a pitch axis from said tip end to said root end; a flexbeam (3); a control cuff (4, 22) enclosing and extending along said flexbeam (3) and a separable junction arrangement between said flexbeam (3), said control cuff (4) and said root end of said airfoil blade (2). Said junction arrangement is mechanical between said flexbeam (3), said control cuff (4) and said root end of said airfoil blade (2). Removable fasteners (5, 6) connect said root end of said airfoil blade (2) and said control cuff (4) with said flexbeam (3). Said junction arrangement comprises fairing means (10, 27, 28, 31, 32 and 39) encompass the removable fasteners (5, 6) and said flexbeam (3).
    • 一种用于直升机的无轴承转子,特别是主转子的空气动力学叶片附件(1),包括:具有尖端和根端并具有从所述尖端到所述根端的俯仰轴的翼型叶片(2) ; 柔性梁(3); 沿着所述挠性束(3)包围并延伸的控制箍(4,22)和所述柔性梁(3),所述控制箍(4)和所述翼型叶片(2)的所述根端之间的可分离的连接装置。 所述接合装置在所述挠性梁(3),所述控制箍(4)和所述翼型叶片(2)的所述根端之间是机械的。 可拆卸紧固件(5,6)将所述翼型叶片(2)的所述根端和所述控制箍(4)与所述挠性梁(3)连接。 所述接合装置包括包围可拆卸紧固件(5,6)和所述柔性梁(3)的整流装置(10,27,28,31,32和39)。