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    DRONE NOISE REDUCTION VIA SIMULTANEOUS PROPELLER MODULATION
    1.
    发明申请
    DRONE NOISE REDUCTION VIA SIMULTANEOUS PROPELLER MODULATION 审中-公开
    通过同步螺旋桨调制降低噪声

    公开(公告)号：WO2018005472A1

    公开(公告)日：2018-01-04

    申请号：PCT/US2017/039476

    申请日：2017-06-27

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BECKMAN, Brian C. ,  ROLNIK, Michael

    IPC: G10K11/178

    Abstract: Techniques for using an unmanned aerial vehicle (UAV) to deliver a payload while generating an expected sound by the UAV during delivery may be provided. For example, during delivery or while in flight, propellers of different sizes that are associated with the UAV may be instructed to modulate at different rotational speeds to thereby generate an expected sound.

    Abstract translation: 可以提供使用无人驾驶飞行器（UAV）传送有效载荷同时在交付期间由无人机产生预期声音的技术。 例如，在交付期间或在飞行中，与UAV关联的不同尺寸的推进器可以被指示以不同的旋转速度进行调制，从而产生期望的声音。

    FLOATING MOTOR MOUNT FOR UNMANNED AERIAL VEHICLES
    2.
    发明申请
    FLOATING MOTOR MOUNT FOR UNMANNED AERIAL VEHICLES 审中-公开
    浮动电机安装用于无人机动车

    公开(公告)号：WO2017053634A1

    公开(公告)日：2017-03-30

    申请号：PCT/US2016/053206

    申请日：2016-09-22

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BECKMAN, Brian C. ,  SKEELS, Matthew Lee

    IPC: B64C39/02 ,  B64D27/26

    CPC classification number: B64D27/26 ,  B64C39/024 ,  B64C2201/024 ,  B64C2201/042 ,  B64C2201/14 ,  B64C2220/00

    Abstract: A motor mount assembly (320) is provided for coupling a propeller motor (310) to a body of an unmanned aerial vehicle (UAV). The motor mount assembly includes a floating portion (330) and acts to attenuate frequencies of vibration from the propeller motor during operation, which modifies the corresponding noise that is produced and reduces stresses on the various components. The floating portion is surrounded on all sides by isolation portions (340, 350, 360) (e.g., made of elastomers or other materials) that are held within a casing that attaches to the body of the UAV. In one implementation, the motor mount assembly is modular such that one or more of the isolation portions may be replaced with different isolation portions (e.g., having different attenuation properties), depending on the direction and nature of the vibrations from the propeller motor that are to be attenuated for a particular application.

    Abstract translation: 提供电动机安装组件（320），用于将螺旋桨电动机（310）联接到无人机（UAV）的主体。 电动机安装组件包括浮动部分（330）并且用于在运行期间衰减来自螺旋桨电动机的振动频率，其改变所产生的相应噪声并减小各种部件上的应力。 浮动部分通过隔离部分（340,350,360）（例如，由弹性体或其他材料制成）包围，所述部分保持在附接到无人机身体的壳体内。 在一个实施方案中，电动机安装组件是模块化的，使得一个或多个隔离部分可以由不同的隔离部分（例如，具有不同的衰减特性）代替，这取决于来自螺旋桨电动机的振动的方向和性质 要针对特定​​应用进行衰减。

    MOBILE FULFILLMENT CENTERS WITH INTERMODAL CARRIERS AND UNMANNED AERIAL VEHICLES
    3.
    发明申请
    MOBILE FULFILLMENT CENTERS WITH INTERMODAL CARRIERS AND UNMANNED AERIAL VEHICLES 审中-公开

    公开(公告)号：WO2018169695A1

    公开(公告)日：2018-09-20

    申请号：PCT/US2018/020497

    申请日：2018-03-01

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BECKMAN, Brian C. ,  BJONE, Nicholas

    IPC: G06Q10/08

    Abstract: Intermodal vehicles may be loaded with items and an aerial vehicle, and directed to travel to areas where demand for the items is known or anticipated. The intermodal vehicles may be coupled to locomotives, container ships, road tractors or other vehicles, and equipped with systems for loading one or more items onto the aerial vehicle, and for launching or retrieving the aerial vehicle while the intermodal vehicles are in motion. The areas where the demand is known or anticipated may be identified on any basis, including but not limited to past histories of purchases or deliveries to such areas, or events that are scheduled to occur in such areas. Additionally, intermodal vehicles may be loaded with replacement parts and/or inspection equipment, and configured to conduct repairs, servicing operations or inspections on aerial vehicles within the intermodal vehicles, while the intermodal vehicles are in motion.

    ACTIVE AIRBORNE NOISE ABATEMENT
    5.
    发明申请
    ACTIVE AIRBORNE NOISE ABATEMENT 审中-公开
    主动飞机噪音消除

    公开(公告)号：WO2017048464A1

    公开(公告)日：2017-03-23

    申请号：PCT/US2016/048095

    申请日：2016-08-22

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BECKMAN, Brian C. ,  KIMCHI, Gur

    IPC: G10K11/178 ,  B64C39/02 ,  G05D19/02 ,  G05D27/02 ,  G05D1/10

    CPC classification number: G10K11/178 ,  B64C39/024 ,  B64C2201/024 ,  B64C2201/027 ,  B64C2201/108 ,  B64C2220/00 ,  G01S19/13 ,  G05D1/101 ,  G05D19/02 ,  G05D27/02 ,  G06N99/005 ,  G10K11/17823 ,  G10K11/17853 ,  G10K11/17873 ,  G10K2210/1281 ,  G10K2210/30231 ,  G10K2210/30351 ,  G10K2210/3038 ,  G10K2210/3045

    Abstract: Noises that are to be emitted by an aerial vehicle (1210) during operations may be predicted using one or more machine learning systems, algorithms or techniques. Anti-noises having equal or similar intensities and equal but out-of-phase frequencies may be identified and generated based on the predicted noises, thereby reducing or eliminating the net effect of the noises. The machine learning systems, algorithms or techniques used to predict such noises may be trained using emitted sound pressure levels observed during prior operations of aerial vehicles, as well as environmental conditions, operational characteristics of the aerial vehicles or locations of the aerial vehicles during such prior operations. Anti-noises may be identified and generated based on an overall sound profile of the aerial vehicle, or on individual sounds emitted by the aerial vehicle by discrete sources.

    Abstract translation: 可以使用一个或多个机器学习系统，算法或技术来预测在操作期间由飞行器（1210）发射的噪声。 可以基于预测的噪声来识别和产生具有相同或相似的强度和等于或相同的频率的抗噪声，从而减少或消除噪声的净效应。 可以使用用于预测这种噪声的机器学习系统，算法或技术来使用在先前的飞行器操作期间观察到的发射声压级，以及环境条件，空中飞行器的操作特性或在这样的前述过程中的空中飞行器的位置 操作。 可以基于飞行器的整体声音轮廓或由离散源的飞行器发出的单独声音来识别和产生抗噪声。

    CONVERTIBLE LIFTING PROPELLER FOR UNMANNED AERIAL VEHICLE
    6.
    发明申请
    CONVERTIBLE LIFTING PROPELLER FOR UNMANNED AERIAL VEHICLE 审中-公开
    无人驾驶飞机的可转换升降式螺旋桨

    公开(公告)号：WO2017172448A1

    公开(公告)日：2017-10-05

    申请号：PCT/US2017/023648

    申请日：2017-03-22

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BECKMAN, Brian C. ,  SOREK, Noam

    IPC: B64C27/08 ,  B64C39/02 ,  B64C11/28 ,  B64C11/46 ,  B64C27/24 ,  B64C27/30

    CPC classification number: B64C27/24 ,  B64C11/28 ,  B64C27/08 ,  B64C27/30 ,  B64C39/024 ,  B64C2201/024 ,  B64C2201/108 ,  B64C2201/165

    Abstract: Described is a configuration of an unmanned aerial vehicle ("UAV") that includes one or more lifting propellers that may be converted between an operational configuration and a transit configuration. When the lifting propeller is in a operational configuration, the leading edge of each propeller blade is aligned in the direction of rotation so that the lifting propeller will generate a positive lifting force when rotated by a lifting motor. When the lifting propeller is in the transit configuration, the leading edge of each of the propeller blades are oriented toward a direction of a transit flight of the aerial vehicle. Likewise, the lifting propeller is maintained in a fixed position during the transit flight so that airflow passing over the propeller blades of the lifting propeller cause vertical lift.

    Abstract translation: 所描述的是包括一个或多个升降螺旋桨的无人驾驶飞行器（“UAV”）的配置，所述升降螺旋桨可以在操作配置和运输配置之间转换。 当提升螺旋桨处于操作状态时，每个螺旋桨叶片的前缘在旋转方向上对准，使得提升螺旋桨在由提升电机旋转时将产生正向提升力。 当提升螺旋桨处于运输配置时，每个螺旋桨叶片的前缘朝向飞行器的过境飞行的方向。 同样，升降螺旋桨在过境飞行期间保持在固定位置，以使通过升降螺旋桨螺旋桨叶片的气流引起垂直升力。

    MOTOR WITH ADJUSTABLE BACK-ELECTROMOTIVE FORCE
    8.
    发明申请
    MOTOR WITH ADJUSTABLE BACK-ELECTROMOTIVE FORCE 审中-公开
    带有可调节后电力的电机

    公开(公告)号：WO2018053363A1

    公开(公告)日：2018-03-22

    申请号：PCT/US2017/051925

    申请日：2017-09-15

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BECKMAN, Brian C. ,  BROWN, Austin

    IPC: H02K7/14 ,  H02K21/02

    CPC classification number: H02K7/14 ,  H02K21/025 ,  H02K2201/03

    Abstract: The described apparatus and method enable alteration of motor properties during operation of a motor. For example, the rotor of the motor may be adjustable, during motor operation, between a first diameter and a larger, second diameter. When the diameter of the rotor increases, the distance between the electromagnetic coils of the stator and the magnets of the rotor increases, thereby reducing the back-electromotor force (back-EMF) of the motor. When the back-EMF of the motor decreases, the torque of the motor decreases but the maximum revolutions per minute (RPM) increases. When the diameter of the rotor decreases, the distance between the electromagnetic coils of the stator and the magnets of the rotor decreases, thereby increasing the back-EMF of the motor. When the back-EMF of the motor increases, the torque of the motor increases but the maximum RPM decreases.

    Abstract translation: 所描述的设备和方法能够在电动机的操作期间改变电动机特性。 例如，电动机的转子在电动机操作期间可以在第一直径和较大的第二直径之间调节。 当转子的直径增大时，定子的电磁线圈与转子的磁体之间的距离增加，从而减小了电机的反电动势（反电动势）。 当电机的反电动势降低时，电机的转矩减小，但最大每分钟转数（RPM）增加。 当转子的直径减小时，定子的电磁线圈与转子的磁体之间的距离减小，由此增加了电动机的反电动势。 当电机的反电动势增加时，电机的转矩会增加，但最大转速会降低。

    COAXIALLY ALIGNED PROPELLERS OF AN AERIAL VEHICLE
    9.
    发明申请
    COAXIALLY ALIGNED PROPELLERS OF AN AERIAL VEHICLE 审中-公开
    空中车辆的同轴对齐的螺旋桨

    公开(公告)号：WO2017165456A1

    公开(公告)日：2017-09-28

    申请号：PCT/US2017/023465

    申请日：2017-03-21

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BECKMAN, Brian C. ,  SOREK, Noam ,  BRODIE, John Raymond ,  CORALIC, Vedran ,  GRENIER, Taylor David ,  KIMCHI, Gur ,  SHIOSAKI, Dominic Timothy ,  WELSH, Ricky Dean ,  WHITLOCK, Richard Philip

    IPC: B64C27/08 ,  B64C39/02 ,  B64C11/28 ,  B64C27/473 ,  B64C11/00 ,  G10K11/175 ,  B64C11/48

    Abstract: Sounds are generated by an aerial vehicle during operation. For example, the motors and propellers of an aerial vehicle generate sounds during operation. Disclosed are systems, methods, and apparatus for actively adjusting the position and/or configuration of one or more propeller blades of a propulsion mechanism to generate different sounds and/or lifting forces from the propulsion mechanism. A propulsion apparatus, comprising a motor (206), a propeller having a propeller blade (204) and a propeller adjustment controller configured to enable movement of the propeller such that the propeller blade (204) is extendable away from the motor (206) or retractable toward the motor (206). A method for adjusting a propulsion mechanism, comprising: determining a lifting force to be generated by the propulsion mechanism; determining a sound limit to be produced by the propulsion mechanism; selecting a combination of a revolutions per minute ("RPM") of a motor of the propulsion mechanism, a first position of a first propeller of the propulsion mechanism that will generate a first lifting force when rotated by the motor at the RPM, a second position of a second propeller of the propulsion mechanism that will generate a second lifting force when rotated by the motor at the RPM and a third position of a third propeller of the propulsion mechanism that will generate a third lifting force when rotated by the motor at the RPM such that a combination of the first lifting force, the second lifting force, and the third lifting force will generate the lifting force and produce a sound below the sound limit; causing, while the motor is rotating: the first propeller to move to the first position; the second propeller to move to the second position; and the third propeller to move to the third position.

    Abstract translation:

    声音由飞行器在运行过程中产生。 例如，飞行器的电动机和螺旋桨在运行期间会发出声音。 公开了用于主动调整推进机构的一个或多个螺旋桨叶片的位置和/或构造以从推进机构产生不同的声音和/或提升力的系统，方法和设备。 1。一种推进装置，包括马达（206），具有螺旋桨叶片（204）的螺旋桨以及螺旋桨调节控制器，所述螺旋桨调节控制器构造成使所述螺旋桨能够移动，使得所述螺旋桨叶片（204）可远离所述马达（206）延伸或者 可向马达（206）收回。 1。一种用于调节推进机构的方法，包括：确定将由所述推进机构产生的提升力; 确定推进机构要产生的声音极限; 选择推进机构的马达的每分钟转数（“RPM”），推进机构的第一推进器的第一位置和第二推进力的组合，所述推进机构的第一推进器在由马达以RPM旋转时将产生第一提升力， 所述推进机构的第二推进器的第二位置在由所述电动机以RPM旋转时将产生第二提升力，并且所述推进机构的第三推进器的第三位置在由所述电动机旋转时将产生第三提升力， 所述RPM使得所述第一提升力，所述第二提升力和所述第三提升力的组合将产生所述提升力并产生低于所述声音极限的声音; 在电机旋转时引起：第一螺旋桨移动到第一位置; 第二螺旋桨移动到第二位置; 第三个螺旋桨移动到第三个位置。

    PROPELLER BLADE TREATMENTS FOR SOUND CONTROL
    10.
    发明申请
    PROPELLER BLADE TREATMENTS FOR SOUND CONTROL 审中-公开
    用于声音控制的螺旋桨叶片处理

    公开(公告)号：WO2017106376A1

    公开(公告)日：2017-06-22

    申请号：PCT/US2016/066706

    申请日：2016-12-14

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： BECKMAN, Brian C. ,  KIMCHI, Gur ,  KO, Allan ,  CORALIC, Vedran ,  BUNECI, Emilia Sorana

    IPC: B64C11/16 ,  B64C11/18 ,  B64C11/20 ,  B64C11/22 ,  B64C11/24 ,  B64C11/26 ,  B64C27/467 ,  B64C27/473 ,  B64C39/02 ,  F03D1/06

    CPC classification number: B64C39/024 ,  B64C11/16 ,  B64C11/18 ,  B64C11/20 ,  B64C11/205 ,  B64C11/22 ,  B64C11/24 ,  B64C11/26 ,  B64C27/467 ,  B64C27/473 ,  B64C39/028 ,  B64C2230/14 ,  B64C2230/28 ,  F05B2250/61 ,  Y02E10/721 ,  Y02T50/166 ,  Y02T50/66

    Abstract: Sounds are generated by an aerial vehicle (101) during operation. For example, the motors and propellers (102) of an aerial vehicle (101) generate sounds during operation. Disclosed are systems, methods, and apparatus for actively adjusting the position of one or more propeller blade treatments (202) of a propeller blade (200) of an aerial vehicle (101) during operation of the aerial vehicle (101). For example, the propeller blade (200) may have one or more propeller blade treatments (202) that may be adjusted between two or more positions. Based on the position of the propeller blade treatments (202), the airflow over the propeller (102) is altered, thereby altering the sound generated by the propeller (102) when rotating. By altering the propeller blade treatments (202) on multiple propeller blades (200) of the aerial vehicle (101), the different sounds generated by the different propeller blades (200) may effectively cancel, reduce, and/or otherwise alter the total sound generated by the aerial vehicle (101).

    Abstract translation:

    声音在飞行中由飞行器（101）产生。 例如，飞行器（101）的电动机和螺旋桨（102）在操作期间产生声音。 公开了用于在飞行器（101）的操作期间主动调整飞行器（101）的螺旋桨叶片（200）的一个或多个螺旋桨叶片处理（202）的位置的系统，方法和设备。 例如，螺旋桨叶片200可以具有一个或多个可在两个或更多个位置之间调节的螺旋桨叶片处理202。 基于螺旋桨叶片处理（202）的位置，改变螺旋桨（102）上方的气流，从而在旋转时改变螺旋桨（102）产生的声音。 通过改变飞行器（101）的多个螺旋桨叶片（200）上的螺旋桨叶片处理（202），不同螺旋桨叶片（200）产生的不同声音可以有效地消除，减少和/或以其他方式改变总声音 由飞行器（101）产生。

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