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公开(公告)号：US11130565B1
公开(公告)日：2021-09-28
申请号：US17230019
申请日：2021-04-14
Applicant: Dawei Dong
Inventor： Dawei Dong
Abstract: A battery powered helicopter uses one or more torque arms as the power source directly driving the main rotor blades, causing them to rotate. The helicopter does not require a combustion engine, a clutch, a reducer, a tail driver, a tail boom, a tail rotor, or a fuel supply system. The output shaft of the high-energy motor is coaxial with the main rotor shaft. The centrifugal force of one or more motor(s) is negligible or minimized. The torque arm assembly includes a plurality of torque arms. Each of the torque arms of the plurality of torque arms includes a propeller and a driving system. The torque arm propellers are hinged so that they can move between a first closed position and a second open position to institute an autorotation safety system.
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公开(公告)号：US10723449B2
公开(公告)日：2020-07-28
申请号：US16180004
申请日：2018-11-04
Applicant: Dawei Dong
Inventor： Dawei Dong
Abstract: A helicopter uses electric propeller torque arm as power source directly driving main rotor to rotate. The helicopter may be battery powered. The helicopter may be without an engine, a clutch, a reducer, a tail driver, a tail boom, a tail rotor and a fuel supply system. The main design goal is to have the output shaft of the high-energy motor being coaxial with the main rotor shaft or having output shafts of a plurality of motors as close as possible to the main rotor shaft. The centrifugal force of the motor(s) is negligible or minimized. The torque arm assembly includes a plurality of torque arms. Each of the torque arm of the plurality of torque arms includes a propeller and a driving system. In the case of a malfunction, the helicopter's main rotor will spin like a maple leaf and will facilitate the spin autorotation landing.
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公开(公告)号：US20180133741A1
公开(公告)日：2018-05-17
申请号：US15349570
申请日：2016-11-11
Applicant: Dawei Dong
Inventor： Dawei Dong
CPC classification number: B05B15/628 , A01M7/005 , A01M7/0053 , A01M7/0082 , B05B9/007 , B05B9/035 , B05B12/12 , B05B13/005 , B64D1/16 , B64D1/18
Abstract: At present, the Asian country's overrated agricultural plant protection sprayer UAV (Unmanned Air Vehicle) is of limited use. Each take off can only carry about 10 liters of liquid, and a flight time of about 10 minutes. This garden-level product cannot meet the needs of large-scale agricultural development. In the United States the autonomous flight control technology for civilian use is not ready. For safety reasons, FAA cannot approve certification of UAVs payload of more than 20 kilograms to 100 kilograms of agricultural spray for business user into the commercial market for the next several years. Between now and tomorrow, the market demand is to develop a new product invention that is lower cost than the agricultural aircraft and long boom spraying tractors. Today's need is for new agricultural invention with simple to use technology and higher efficiency.The new invention uses a ground-based heavy payload ground vehicle, trailer, or fixed ground station to deliver agriculture chemical, power and control signals to a hinged, ground-mounted, lightweight propeller lift, boom truss module using Unmanned Aerial Vehicles (UAVs) technology to unload and suspend multiple boom truss modules, extending out to cover a large spray area. This is the newest, most practical invention that is low cost and easy to use. The total weight of each suspension boom truss modules is less than 10 kilograms and can be completely unloaded by motor-driven propellers. The suspended boom truss module is hinged on the ground vehicle, trailer or ground station and will never lose control. It is not necessary to apply for a flight permit from the FAA. In the field, the propeller and toxic pesticides are fixed on the suspension boom truss module and hazards can be controlled to a minimum for personnel safety. This new invention is significantly lower cost to own, operate, maintain, and less technical requirements than existing agricultural spray aircraft and long boom spraying tractors.The disclosure of this patent will make possible the important invention for the development of large-scale agriculture.
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公开(公告)号：US6043879A
公开(公告)日：2000-03-28
申请号：US213738
申请日：1998-12-17
Applicant: Dawei Dong
Inventor： Dawei Dong
CPC classification number: G01C15/004
Abstract: A low cost automatic laser level instrument uses a solid laser diode module as the laser source. It is not necessary to adjust the laser diode module to make the center ray align with the concentric axis. The only requirement is adjusting a reflecting mirror or prism so that the center ray is vertical to the rotating axis. In other words, any ordinary diode module can be used. The device levels automatically by means of a pendulum. The pendulum remains steady under the influence of a magnetic field. The magnetic field functions as a damper, which stops the swinging of the pendulum very quickly. After adjusting the center ray to be perpendicular to the pendulum (which points to the earth's core), the device will produce a standard level line.
Abstract translation: 低成本的自动激光水平仪使用固体激光二极管模块作为激光源。 不需要调整激光二极管模块使中心光线与同心轴对齐。 唯一的要求是调整反射镜或棱镜，使得中心光线垂直于旋转轴线。 换句话说，可以使用任何普通的二极管模块。 设备通过摆锤自动调节。 摆锤在磁场的影响下保持稳定。 磁场用作阻尼器，其非常快地停止摆动摆动。 调整中心线垂直于摆锤（指向地球核心）后，该装置将产生标准电平线。
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公开(公告)号：US5517098A
公开(公告)日：1996-05-14
申请号：US240116
申请日：1994-05-09
Applicant: Dawei Dong
Inventor： Dawei Dong
CPC classification number: G05D1/0234 , G05D1/0236 , G05D1/0242 , G05D2201/0204 , Y10S280/05
Abstract: An automatic tracking mobile platform that works logically and practically. The process of making it is simple and cost efficient. An emitter is carried by the user; this emitter transmits various electromagnetic signals including infrared, visible light, laser, or ultraviolet. The platform has electromagnetic sensors connected to its front wheel which synchronously turn with it, and these three sensors are separated by panels. The panels block one sensor from the others so that only one sensor can respond to the transmitter at any one time to turn the platform left or right. An electrical motor and a mechanical steering wheel are connected to the front wheel, which drives the mobile platform. The receiver is set to screen electromagnetic signals from the transmitter so the platform can turn to the left, turn to the right, start, or stop to accomplish its automatic tracking purpose.To reduce interference from the reflection of direct sunlight on the platform sensors, horizontal grade gratings are placed in front of the sensors. The receiver sensors can receive signals directly from transmitter. Other inventions do not include provisions to increase the sensitivity of the sensors in the presence of reflections of direct sunlight. Moreover, in order to avoid reflection interference, especially indoors, laser light can be used to help the platform track the user successfully.
Abstract translation: 自动跟踪移动平台，其工作逻辑和实际。 制作过程简单而且成本有效。 发射器由用户携带; 该发射器发射包括红外线，可见光，激光或紫外线的各种电磁信号。 该平台具有连接到其前轮的电磁传感器，与其同步转动，并且这三个传感器被面板分开。 面板将一个传感器与其他传感器阻挡在一起，以便只有一个传感器可以在任何一个时间对变送器做出响应，以使平台向左或向右旋转。 电动马达和机械方向盘连接到前轮，驱动移动平台。 接收机被设置为屏蔽来自发射机的电磁信号，因此平台可以向左转，向右转，启动或停止以完成其自动跟踪目的。 为了减少平台传感器上阳光反射的干扰，将水平级光栅放置在传感器的前面。 接收机传感器可以直接从发射机接收信号。 其他发明不包括在存在直射阳光反射的情况下提高传感器的灵敏度的规定。 此外，为了避免反射干扰，特别是在室内，激光可以帮助平台跟踪用户。
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Patent Agency Ranking
公开(公告)号：US20210300534A1
公开(公告)日：2021-09-30
申请号：US17230019
申请日：2021-04-14
Applicant: Dawei Dong
Inventor： Dawei Dong
Abstract: A battery powered helicopter uses one or more torque arms as the power source directly driving the main rotor blades, causing them to rotate. The helicopter does not require a combustion engine, a clutch, a reducer, a tail driver, a tail boom, a tail rotor, or a fuel supply system. The output shaft of the high-energy motor is coaxial with the main rotor shaft. The centrifugal force of one or more motor(s) is negligible or minimized. The torque arm assembly includes a plurality of torque arms. Each of the torque arms of the plurality of torque arms includes a propeller and a driving system. The torque arm propellers are hinged so that they can move between a first closed position and a second open position to institute an autorotation safety system.
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17.发明申请公开(公告)号：US20200282847A1
公开(公告)日：2020-09-10
申请号：US16831053
申请日：2020-03-26
Applicant: Dawei Dong
Inventor： Dawei Dong
Abstract: A battery powered helicopter uses one or more torque arms as the power source directly driving the main rotor blades, causing them to rotate. The helicopter does not require a combustion engine, a clutch, a reducer, a tail driver, a tail boom, a tail rotor, or a fuel supply system. The output shaft of the high-energy motor is coaxial with the main rotor shaft. The centrifugal force of one or more motor(s) is negligible or minimized. The torque arm assembly includes a plurality of torque arms. Each of the torque arms of the plurality of torque arms includes a propeller and a driving system.
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公开(公告)号：US20200130822A1
公开(公告)日：2020-04-30
申请号：US16180004
申请日：2018-11-04
Applicant: Dawei Dong
Inventor： Dawei Dong
Abstract: A helicopter uses electric propeller torque arm as power source directly driving main rotor to rotate. The helicopter may be battery powered. The helicopter may be without an engine, a clutch, a reducer, a tail driver, a tail boom, a tail rotor and a fuel supply system. The main design goal is to have the output shaft of the high-energy motor being coaxial with the main rotor shaft or having output shafts of a plurality of motors as close as possible to the main rotor shaft. The centrifugal force of the motor(s) is negligible or minimized. The torque arm assembly includes a plurality of torque arms. Each of the torque arm of the plurality of torque arms includes a propeller and a driving system. In the case of a malfunction, the helicopter's main rotor will spin like a maple leaf and will facilitate the spin autorotation landing.
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公开(公告)号：US06588115B1
公开(公告)日：2003-07-08
申请号：US10100875
申请日：2002-03-18
Applicant: Dawei Dong
Inventor： Dawei Dong
IPC: F21K700
CPC classification number: G01C15/004 , G01C15/105 , Y10S33/21
Abstract: A combination laser level line and plumb line generation device that utilizes a single laser generator module to create perpendicular lines, a level line and a plumb line. In line with the laser generator module is a first optical unit that generates a vertical line. The first optical unit has a central aperture which allows a portion of non-refracted light to pass through. The non-refracted light then passes through a second optical unit, the second optical unit creating a horizontal line. With this configuration, the single laser generator module can be used to create a pair of orthogonal lines. This allows the elements to be manufactured into a simple and inexpensive combination laser level line and plumb line generation device.
Abstract translation: 组合激光水平线和铅垂线生成装置，其利用单个激光发生器模块来创建垂直线，水平线和铅垂线。 根据激光发生器模块是产生垂直线的第一光学单元。 第一光学单元具有允许非折射光的一部分通过的中心孔。 然后，非折射光穿过第二光学单元，第二光学单元产生水平线。 利用该配置，单个激光发生器模块可用于创建一对正交线。 这允许将元件制造成简单且廉价的组合激光水平线和铅垂线生成装置。
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公开(公告)号：US06384725B1
公开(公告)日：2002-05-07
申请号：US09675564
申请日：2000-09-29
Applicant: Dawei Dong
Inventor： Dawei Dong
IPC: G08B2100
CPC classification number: G01C15/006
Abstract: An automatic laser detecting surveyor's rod includes a normal surveyor's rod with an automatic laser beam search unit included. When the device is activated, the search unit moves up and down the surveyor's rod until the unit detects the level of the laser beam. When the beam is detected, an alarm sounds and a digital display shows the height of the beam at the detection point. The device can be made to include a limit means for the number of passes the search unit makes without detecting the beam. If the number of passes is exceeded, the device is deactivated to save power. The user may also choose to slow the travel speed of the search unit by moving it manually.
Abstract translation: 自动激光检测仪的杆包括一个带有自动激光束搜索单元的普通测量杆。 当设备激活时，搜索单元可以在测量杆的上下移动，直到设备检测到激光束的水平。 当检测到光束时，发出报警声，数字显示屏显示检测点处的光束高度。 可以使该装置包括搜索单元在不检测光束的情况下进行的通过次数的限制装置。 如果超过次数，则会禁用设备以节省电量。 用户还可以通过手动移动来选择减慢搜索单元的行进速度。
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