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    • 12. 发明申请
    • Linear, hydraulic pivot drive
    • 线性,液压枢轴驱动
    • US20050178927A1
    • 2005-08-18
    • US10505678
    • 2003-02-21
    • Ulf BreuerPeter JaenkerThomas Lorkowski
    • Ulf BreuerPeter JaenkerThomas Lorkowski
    • B64C13/40F15B15/06F15B15/08
    • F15B15/068B64C13/40Y10T74/18056
    • The invention relates to a linear, hydraulic pivot drive, especially for the flap control system of aerodynamic structures. Said pivot drive comprises a housing provided with ports for introducing a hydraulic medium, a piston which is arranged inside the housing and can be axially displaced by the effect of the hydraulic medium, and an output shaft which is provided with coarse threads and interacts with the piston in order to cover the axial displacement of the piston into a rotational movement. The invention is characterized in that the output shaft is integrated into the piston, the coarse threads running in the same direction and engaging in the piston, and the cross-section of the piston has a spline profile for effectively preventing a rotational movement of the piston.
    • 本发明涉及一种线性液压枢转驱动装置,特别适用于空气动力结构的挡板控制系统。 所述枢转驱动器包括设置有用于引入液压介质的端口的壳体,布置在壳体内部并且可以通过液压介质的作用而轴向移位的活塞,以及设置有粗螺纹并与其相互作用的输出轴 活塞,以便将活塞的轴向位移覆盖成旋转运动。 本发明的特征在于,输出轴被集成到活塞中,粗螺纹沿相同方向延伸并接合活塞,并且活塞的横截面具有花键轮廓,用于有效地防止活塞的旋转运动 。
    • 13. 发明授权
    • Rotor blade with control flaps
    • 转子叶片带控制翼片
    • US06663345B2
    • 2003-12-16
    • US09908978
    • 2001-07-20
    • Thomas LorkowskiFrank Hermle
    • Thomas LorkowskiFrank Hermle
    • B64C27615
    • B64C27/615B64C2027/7266Y02T50/34
    • Rotor blade for a helicopter having an aerodynamic control flap, particularly a camber flap, is integrated essentially in the contour of the blade profile. The camber flap is swivellably arranged on an axis of rotation and is linked to a control rod of a control device outside the axis of rotation, for converting a linear movement into a swivelling movement of the control flap. The control device is disposed by way of roller bearings and bolts aligned in the span direction. Devices are provided which absorb by way of the control flap centrifugal forces of the control device resulting from the rotation of the rotor blade.
    • 用于具有空气动力学控制翼片,特别是外倾翼的直升机的转子叶片基本上集成在叶片轮廓的轮廓中。 外倾板可旋转地布置在旋转轴线上,并且连接到控制装置的控制杆外部的旋转轴线,用于将直线运动转换成控制挡板的旋转运动。 控制装置通过在跨度方向对齐的滚柱轴承和螺栓来设置。 提供了通过由转子叶片旋转导致的控制装置离心力吸收的装置。
    • 14. 发明授权
    • Aerodynamic component with a leading edge flap
    • 具有前缘皮瓣的气动元件
    • US06371415B1
    • 2002-04-16
    • US09658905
    • 2000-09-11
    • Thomas LorkowskiFrank HermlePeter Jaenker
    • Thomas LorkowskiFrank HermlePeter Jaenker
    • B64C1324
    • B64C27/001B64C27/615B64C2027/7283Y02T50/34
    • An aerodynamic component such as a helicopter rotor blade has an aerodynamic flow profile, a free end and a mounting end forming a blade root for attachment to a rotor mast. A blade section between the root and the free end has a leading edge and a trailing edge as viewed in the flow or chord direction. The blade is enclosed on its suction side and its pressure side with a respective skin. A nose flap or leading edge flap is secured to the leading edge by a bearing or hinge. The blade tilting angle is adjustable by piezo-drive elements arranged in at least one pair forming an actuator for each nose flap. The piezo-elements of a pair are arranged in the chord direction one behind the other and the pair is secured to the body of the blade by a fixed point positioned between the elements of a pair. The expansion and contraction from the piezo-element closer to the trailing edge is transmitted to the flap by a push rod. The expansion and contraction of the piezo-element closer to the leading edge is transmitted to the flap by a pronged pull-fork. The push rod and the pull-fork drive a free end of a lever secured to the flap, whereby a displacement of the push rod or of the pull fork causes the tilting adjustment of the flap by a push-pull action.
    • 诸如直升机转子叶片的空气动力学部件具有空气动力学流动分布,自由端和形成用于附接到转子桅杆的叶片根部的安装端。 根部和自由端之间的叶片部分具有从流动或弦向方向观察的前缘和后缘。 叶片在其吸力侧和其压力侧被封闭,并具有相应的皮肤。 鼻翼或前缘皮瓣通过轴承或铰链固定到前缘。 刀片倾斜角度可以通过布置在至少一对中的压电驱动元件来调节,形成每个鼻翼的致动器。 一对的压电元件沿着弦方向一个在另一个之上布置,并且该对被固定在一对位置的元件之间的固定点。 来自压电元件的靠近后缘的膨胀和收缩通过推杆传递到翼片。 靠近前缘的压电元件的膨胀和收缩通过叉形叉子传递到翼片。 推杆和拉叉驱动固定到翼片的杠杆的自由端,由此推杆或拉叉的位移通过推拉动作导致翼片的倾斜调节。