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公开(公告)号：US09555880B2
公开(公告)日：2017-01-31
申请号：US13368795
申请日：2012-02-08
CPC分类号： B64C27/33
摘要： A rotor hub assembly for a helicopter includes a rotor hub operably connectable to a shaft of a helicopter. One or more flex beams extend through the rotor hub, with each end of each flex beam operably connectable to a rotor blade. One or more inner bearings are located at the rotor hub to spherically support the one or more flex beams in the rotor hub. A rotor assembly for a helicopter includes a rotor hub operably connectable to a shaft of a helicopter. One or more flex beams extending through the rotor hub and one or more inner bearings are located at the rotor hub to spherically support the one or more flex beams in the rotor hub. A plurality of rotor blades are operably connected to the ends of the one or more flex beams.
摘要翻译： 用于直升机的转子轮毂组件包括可操作地连接到直升机的轴的转子轮毂。 一个或多个弯曲梁延伸穿过转子毂，每个柔性梁的每个端部可操作地连接到转子叶片。 一个或多个内部轴承位于转子毂处，以在转子毂中球形地支撑一个或多个弯曲梁。 用于直升机的转子组件包括可操作地连接到直升机的轴的转子轮毂。 延伸穿过转子轮毂和一个或多个内部轴承的一个或多个弯曲梁位于转子毂处，以在转子毂中球形地支撑一个或多个弯曲梁。 多个转子叶片可操作地连接到一个或多个柔性梁的端部。
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公开(公告)号：US09469399B2
公开(公告)日：2016-10-18
申请号：US14053841
申请日：2013-10-15
摘要： The invention relates to a separable blade attachment (1) for a bearingless main rotor of a helicopter with an airfoil blade (2), a flexbeam (3) and a control cuff (4) enclosing at least a predominant portion of said flexbeam (3). A separable junction arrangement between said flexbeam head (13), said control cuff (4, 22) and said root end of said airfoil blade (2) is mechanical with removable fasteners. A stiffened link (17) is provided between respective trailing edges (9) of the control cuff (4) and said airfoil blade (2).
摘要翻译： 本发明涉及一种用于直升机的无轴承主转子的可分离叶片附件（1），其具有翼型叶片（2），柔性梁（3）和控制箍（4），所述柔性梁（3）和控制箍（4）至少包围所述柔性梁 ）。 所述挠性头（13），所述控制箍（4,22）和所述翼型叶片（2）的所述根端之间的可分离的连接装置是机械的，具有可移除的紧固件。 加强连杆（17）设置在控制套筒（4）的相应后缘（9）和所述翼型叶片（2）之间。
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公开(公告)号：US09359071B2
公开(公告)日：2016-06-07
申请号：US13785696
申请日：2013-03-05
摘要： 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).
摘要翻译： 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）。
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64.发明申请FLEXBEAM UNIT FOR A BEARINGLESS OR A HINGE AND BEARINGLESS MULTI-BLADE ROTOR OF A ROTARY WING AIRCRAFT 审中-公开用于无轴承的弹性单元或旋转式飞行器的铰链和无轴承多叶轮转子公开(公告)号：US20150197334A1
公开(公告)日：2015-07-16
申请号：US14595547
申请日：2015-01-13
发明人： Rupert PFALLER
摘要： A flexbeam unit comprising a plurality of flexbeam elements, each defining a load passing member that is attachable to a rotor hub associated with a rotor shaft of said multi-blade rotor, said plurality of flexbeam elements defining a predetermined number of torsion elements that are connectable with associated rotor blades of said multi-blade rotor, wherein at least one of the predetermined number of torsion elements comprises at least one first flexbeam element defining a first longitudinal direction and at least one second flexbeam element defining a second longitudinal direction, wherein said at least one first and second flexbeam elements are interconnected by a beam connector in a direction transverse to said first and/or second longitudinal directions.
摘要翻译： 柔性梁单元，其包括多个柔性梁元件，每个柔性梁单元限定可连接到与所述多叶片转子的转子轴相关联的转子毂的载荷通过构件，所述多个挠性梁元件限定可连接的预定数量的扭转元件 与所述多叶片转子的相关联的转子叶片，其中所述预定数量的扭转元件中的至少一个包括限定第一纵向方向的至少一个第一柔性梁元件和限定第二纵向方向的至少一个第二弹性梁元件，其中， 至少一个第一和第二柔性元件通过横梁与横向于所述第一和/或第二纵向方向的梁连接器相互连接。
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公开(公告)号：US20150158582A1
公开(公告)日：2015-06-11
申请号：US14557995
申请日：2014-12-02
发明人： Moritz BUESING
IPC分类号： B64C27/33
摘要： A beam for a rotorcraft rotor and particularly to a helicopter rotor. Said beam comprises a hub connection portion, a blade connection portion, a first flexure portion located between the hub connection portion and the blade connection portion and having a bending stiffness about a first axis which is orthogonal to the longitudinal axis of the blade, said bending stiffness being smaller than that of the hub connection portion and that of the blade connection portion and a shear portion located between the hub connection portion and the blade connection portion and having a shear stiffness parallel to a second axis which is orthogonal to the longitudinal axis of the blade and non-parallel to the first axis. Said shear stiffness is smaller than that of the hub connection portion and that of the blade connection portion.
摘要翻译： 用于旋翼航空器转子的梁，特别是直升机转子。 所述梁包括轮毂连接部分，叶片连接部分，位于轮毂连接部分和叶片连接部分之间的第一弯曲部分，并且具有围绕与叶片的纵向轴线正交的第一轴线的弯曲刚度，所述弯曲 刚度小于轮毂连接部分的刚度，以及叶片连接部分的刚度和位于轮毂连接部分和叶片连接部分之间的剪切部分，并且具有平行于第二轴线的剪切刚度，该第二轴线垂直于纵向轴线 叶片并且不平行于第一轴。 所述剪切刚度小于轮毂连接部分和叶片连接部分的剪切刚度。
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公开(公告)号：US20140286774A1
公开(公告)日：2014-09-25
申请号：US13847702
申请日：2013-03-20
发明人： Justin Thomas , Eric Lucien Nussenblatt , Eric S. Parsons , Ryan Thomas Casey , David H. Hunter
IPC分类号： B64C27/33
CPC分类号： B64C27/33 , B64C27/473 , B64C27/48 , Y10T29/49332
摘要： A spar for a rotor blade assembly is provided including a generally hollow tubular body. A spacer protrudes from at least one surface of the body along a length of the body. A hole extends through the body and the spacer. The hole is configured to align with a through hole in an adjacent flexbeam assembly. The spacer is configured to contact a surface of the adjacent flexbeam assembly to create a match fit between the body and the flexbeam assembly.
摘要翻译： 提供了一种用于转子叶片组件的翼梁，包括大致中空的管状体。 间隔件沿着身体的长度从身体的至少一个表面突出。 孔延伸穿过主体和间隔件。 孔构造成与相邻柔性梁组件中的通孔对准。 间隔件构造成接触相邻柔性梁组件的表面以在主体和挠性束组件之间形成匹配配合。
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公开(公告)号：US08801378B2
公开(公告)日：2014-08-12
申请号：US13034271
申请日：2011-02-24
摘要： A hub assembly for a tilt rotor includes a yoke having a plurality of yoke arms located substantially orthogonal to a central axis of the hub assembly. An inboard pitch change bearing assembly substantially surrounds a yoke arm of the plurality of yoke arms. An outboard pitch change bearing assembly is located at the yoke arm. The inboard pitch change bearing assembly and the outboard pitch change bearing assembly are operably connectable with a rotor blade to allow pitch change of the rotor blade relative to the yoke about a pitch change axis.
摘要翻译： 用于倾斜转子的轮毂组件包括具有大致正交于轮毂组件的中心轴线的多个轭臂的轭。 内侧变桨轴承组件基本上围绕多个轭臂的轭臂。 外侧变桨轴承组件位于轭臂上。 内侧变桨轴承组件和外侧变桨轴承组件可操作地与转子叶片连接，以允许转子叶片围绕变桨轴线相对于轭架的间距变化。
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公开(公告)号：US08662847B2
公开(公告)日：2014-03-04
申请号：US12901701
申请日：2010-10-11
IPC分类号： B64C27/33
CPC分类号： B64C27/473 , B64C27/33 , B64C2027/4736
摘要： A system comprising a rotor blade (1), in particular of the tail rotor of a rotary wing aircraft, in a fiber-reinforced composite design, with a blade section (5) and with a coupling section (9) for attaching the rotor blade (1) to the hub of a drive device, and comprising a separate sleeve-shaped control tube (40) with an essentially hollow-cylindrical shaft (41), with an also essentially tubular tie section (56) to tie the control tube (40) to the rotor blade (1) by sliding it onto its coupling section (9), is improved in that the coupling section (9) of the rotor blade (1) and the tie section (56) of the control tube (40) comprise a cross-sectional shape for positive-locking interconnection of the rotor blade (1) and the control tube (40).
摘要翻译： 一种系统，包括具有叶片部分（5）和耦合部分（9）的转子叶片（1），特别是旋转翼飞行器的尾部转子的纤维增强复合材料设计中的转子叶片（1），用于将转子叶片 （1）到驱动装置的轮毂，并且包括具有基本上中空的圆柱形轴（41）的单独的套筒形控制管（40），还具有基本上管状的连接部分（56），以将控制管 改进了转子叶片（1）的联接部分（9）和控制管（40）的连接部分（56）的转动叶片（1）的滑动到其联接部分（9） ）包括用于转子叶片（1）和控制管（40）的正锁定互连的横截面形状。
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公开(公告)号：US20130315734A1
公开(公告)日：2013-11-28
申请号：US13785696
申请日：2013-03-05
IPC分类号： B64C27/33
摘要： 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).
摘要翻译： 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）。
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70.发明授权Hingeless rotor provided with plate-shaped rotor head element and a rotorcraft provided with said rotor 失效设有板状转子头元件的无铰链转子和设置有所述转子的旋翼飞机公开(公告)号：US07226272B2
公开(公告)日：2007-06-05
申请号：US10553015
申请日：2004-04-06
申请人： Gerold Becker , Rupert Pfaller
发明人： Gerold Becker , Rupert Pfaller
IPC分类号： B64C27/33
摘要： The invention relates to a rotor comprising a rotor shaft, a rotation torque transmission element which is mounted thereon and at least one element of the plate-shaped rotor head whose axis of rotation extends therethrough. Said rotor is provided with two groups of different arms. The first group consists of the flexible rotor blade connection arms which remove centrifugal forces and to which a respective blade can be fixed. The second group consists of flexible connection rotor arms which are devoid of centrifugal force to which the elements of the plate-shape rotor head can be rotationally fixed by means of the rotation torque transmission element.
摘要翻译： 本发明涉及一种转子，其包括转子轴，安装在其上的旋转扭矩传递元件和其旋转轴线延伸穿过其中的板形转子头的至少一个元件。 所述转子设有两组不同的臂。 第一组由柔性转子叶片连接臂组成，其移除离心力并且可以将相应的叶片固定到该力。 第二组由柔性连接转子臂组成，其没有离心力，板形转子头的元件可以通过旋转扭矩传递元件旋转地固定到其上。
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