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    • 7. 发明申请
    • PAYLOAD DELIVERY SYSTEM
    • 有效载荷传递系统
    • WO2017204892A1
    • 2017-11-30
    • PCT/US2017/023886
    • 2017-03-23
    • X DEVELOPMENT LLC
    • SOPPER, ClarkPRAGER, André
    • B64D1/22B64C39/02
    • B64D1/22B64C39/024B64C2201/128B66D5/026
    • Described herein are apparatuses that provided various features related to unmanned aerial vehicles. An example apparatus may include, (i) a support structure, (ii) at least one shaft coupled to the support structure via at least one swing arm, wherein the swing arm allows upward movement, and restricts downward movement of, the at least one shaft from a resting position, (iii) a spool, wherein in the spool is shaped so as to rest on the at least one shaft when the at least one shaft is in the resting position, and wherein the spool is operable to unwind a tether coupled to a payload, and (iv) at least one fan coupled to the at least one shaft, wherein rotation of the spool when unwinding the tether also causes rotation of the at least one fan coupled to the at least one shaft, thereby controlling a descent rate of the payload.
    • 这里描述的是提供与无人驾驶飞行器相关的各种特征的装置。 示例装置可以包括(i)支撑结构,(ii)经由至少一个摆臂耦合到支撑结构的至少一个轴,其中摆臂允许向上运动并限制至少一个 (iii)线轴,其中在所述线轴中,当所述至少一个轴处于所述静止位置时,所述线轴成形为搁置在所述至少一个轴上,并且其中所述线轴可操作以展开系绳 (iv)耦合到所述至少一个轴的至少一个风扇,其中当展开所述系绳时所述卷轴的旋转还导致耦合到所述至少一个轴的所述至少一个风扇的旋转,从而控制 有效载荷的下降率。
    • 8. 发明申请
    • IMPROVEMENTS IN A WINCH DEVICE
    • 改良装置中的改进
    • WO1992012088A1
    • 1992-07-23
    • PCT/SE1992000011
    • 1992-01-10
    • LILJEDAHL, Gunnar
    • B66D05/26
    • B66D5/026
    • The improvement's intention is to prevent rapid unwinding of the loaded cable on the barrel (1) of a winch, should the drive to the barrel fail. The barrel accordingly has a concentric, closed, cylindrical space (9) accommodating a piston (10), which can move from one end of the space to the other while being non-rotatably connected (12, 13) to the cylindrical wall of the space. The piston is carried by a shaft concentric with the space and provided with a thread (8) meshing with the thread in a central bore (11) through the piston (10). The space (9) contains a fluid, and there is given leakage from one side of the piston to the other. The shaft (6) is non-rotatably fixed in relation to the barrel.
    • 改进的目的是防止在驱动到机筒失效时绞车的筒体(1)上的加载电缆的快速展开。 所述筒体相应地具有容纳活塞(10)的同心的,闭合的圆柱形空间(9),所述活塞可以从所述空间的一端移动到另一端,同时不可转动地连接到所述空腔的圆柱形壁 空间。 活塞由与该空间同心的轴承承,并且在中心孔(11)中通过活塞(10)设置有与螺纹啮合的螺纹(8)。 空间(9)包含流体,并且从活塞的一侧泄漏到另一侧。 轴(6)相对于枪管不可旋转地固定。