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    • 1. 发明申请
    • SELECTING PROPELLERS FOR PERFORMANCE AND NOISE SHAPING
    • 选择螺旋桨进行性能和噪音成型
    • WO2017106013A1
    • 2017-06-22
    • PCT/US2016/065662
    • 2016-12-08
    • AMAZON TECHNOLOGIES, INC.
    • HUDDLESTON, Howard, Lee, Jr.BECKMAN, Brian, C.KO, Allan
    • B64C27/08B64C39/02
    • B64C27/08B64C39/024B64C2201/108
    • Aerial vehicles may be operated with discrete sets of propellers, which may be selected for a specific purpose or on a specific basis. The discrete sets of propellers may be operated separately or in tandem with one another, and at varying power levels. For example, a set of propellers may be selected to optimize the thrust, lift, maneuverability or efficiency of an aerial vehicle based on a position or other operational characteristic of the aerial vehicle, or an environmental condition encountered by the aerial vehicle. At least one of the propellers may be statically or dynamically imbalanced, such that the propeller emits a predetermined sound during operation. A balanced propeller may be specifically modified to cause the aerial vehicle to emit the predetermined sound by changing one or more parameters of the balanced propeller and causing the balanced propeller to be statically or dynamically imbalanced.
    • 高空作业车可以使用离散的螺旋桨组进行操作,这些螺旋桨组可以根据特定目的或特定的基础进行选择。 离散的螺旋桨组可以分开或彼此串联运行,并且功率水平不同。 例如,可以选择一组螺旋桨以基于飞行器的位置或其他操作特性或飞行器遇到的环境条件来优化飞行器的推力,升力,机动性或效率。 至少一个螺旋桨可能是静态或动态不平衡的,使得螺旋桨在操作期间发出预定的声音。 对平衡螺旋桨进行特殊修改,以使飞行器通过改变平衡螺旋桨的一个或多个参数并使平衡螺旋桨静态或动态不平衡而发出预定声音。