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公开(公告)号：US20240348062A1
公开(公告)日：2024-10-17
申请号：US18754180
申请日：2024-06-26
发明人： Yonghe JIANG , Biao LI , Xian ZHUANG , Zhiyuan LI
IPC分类号： H02J7/00
CPC分类号： H02J7/0013 , H02J7/0024 , H02J7/00304 , H02J7/00308 , H02J7/0044
摘要： The disclosure provides a battery pack management system, which includes a plurality of battery packs for supplying a power to a load, a plurality of battery interfaces, a plurality of switching units, a control assembly and a plurality of communication units. Each of the battery packs is electrically connected in parallel by the battery interfaces. The switching units are electrically connected to the battery interfaces and the battery packs through the battery interfaces are electrically connected to the switching units. The control assembly detects a voltage level of each battery pack and determines the battery packs having a first highest priority level through the voltage level detected. The communication unit is electrically connected to the battery packs and the load, and the switching units is closed by the control assembly through the information for supplying the power to the load by the battery packs having the highest priority level.
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公开(公告)号：US20240297391A1
公开(公告)日：2024-09-05
申请号：US18663110
申请日：2024-05-14
发明人： Yabin Tang , Yunjie Shangguan
IPC分类号： H01M50/262 , A01D34/416 , A01G3/053 , A01G20/47 , A45F3/00 , A45F3/04 , F04D25/06 , F04D29/40 , H01M50/247 , H01M50/298
CPC分类号： H01M50/262 , A01G20/47 , A45F3/04 , F04D25/0673 , F04D29/403 , H01M50/247 , H01M50/298 , A01D34/416 , A01G3/053 , A45F2003/003 , H01M2220/30
摘要： The disclosure relates to a field of garden tools, specifically relates to a coupling device and a backpack garden tool system. The coupling device includes a first coupling unit and a second coupling unit. The first coupling unit is configured to be detachably connectable with a power supply output end of a backpack battery pack. The second coupling unit is connected with the first coupling unit through a flexible wire, and the second coupling unit is configured to be detachably connectable with a power input end of a first garden tool. The disclosure realizes a functional expansion of a backpack blower through the coupling device.
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公开(公告)号：USD1026044S1
公开(公告)日：2024-05-07
申请号：US29852268
申请日：2022-09-06
设计人： Christopher Eichel , Qunli Wei , Qinghua Shi , Dongdong Shi
摘要： FIG. 1 is a bottom perspective view of a mower deck, according to the present invention;
FIG. 2 is a top perspective view of the mower deck of FIG. 1;
FIG. 3 is a bottom plan view of the mower deck of FIG. 1;
FIG. 4 is a top plan view of the mower deck of FIG. 1;
FIG. 5 is a right side elevational view of the mower deck of FIG. 1;
FIG. 6 is a left side elevational view of the mower deck of FIG. 1;
FIG. 7 is a rear elevational view of the mower deck of FIG. 1; and,
FIG. 8 is a front elevational view of the mower deck of FIG. 1.
The dashed lines in the Figures are for environmental purposes only and do not form a part of the claimed design.-
公开(公告)号：US20240114835A1
公开(公告)日：2024-04-11
申请号：US18542756
申请日：2023-12-17
发明人： Keita KAMO , Tomohiro MIYANISHI , Shouchuan FENG
CPC分类号： A01D43/086 , A01D34/81 , A01D2101/00
摘要： A lawn mower includes a main body portion and a lawn collecting container arranged at a rear of the main body portion and connected with the main body portion which can be freely disassembled and assembled relative to the main body portion. A cylindrical housing part is formed on the main body portion and provided with an opening at a bottom part of the main body portion, and a mowing blade is housed in the housing part. When the lawn collecting container is removed from the main body portion and the main body portion is vertical with a rear part of the main body portion is configured as a lower side, the lawn collecting container can be mounted to the bottom part, part of the lawn collecting container enters the housing part from the bottom part, and an inner surface of the housing part can support the lawn collecting container.
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公开(公告)号：US20240107939A1
公开(公告)日：2024-04-04
申请号：US18540806
申请日：2023-12-14
发明人： Shouchuan FENG , Jianhua DONG
IPC分类号： A01D34/685
CPC分类号： A01D34/685 , A01D2101/00
摘要： A blade assembly, a power head and a lawn mower are provided, the blade assembly includes a blade base, a first blade and a second blade. A first boss and a second boss are arranged on a blade assembly surface of the blade base. A height of the first boss is a first height, and a height of the second boss is a second height. The first blade is provided with a first mounting hole matched with the first boss, the second blade is provided with a second mounting hole matched with the second boss. The first blade is mounted on the first boss, and the second blade is mounted on the second boss. Through arranging a step-shaped boss to position and mount a blade on the blade base, it is more convenient to realize an assembly and replacement of double blades.
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公开(公告)号：US20240074359A1
公开(公告)日：2024-03-07
申请号：US18507082
申请日：2023-11-12
发明人： Jianbo LI , Lingao ZHANG , Xiaohui HUO , Yongxing MA
IPC分类号： A01G3/053
摘要： A power device and a power tool are provided, including a motor and a transmission gear set. The transmission gear set includes a driving gear and a driven gear, a speed of the motor is from 5000 rpm to 11000 rpm, a diameter is from 20 mm to 50 mm, and a volume is from 600 mm3 to 2200 mm3. A weight is from 90 g to 260 g. A reduction ratio of the driving gear to the driven gear is from 2 to 7. The power tool of the disclosure adopts an outer rotor motor with a smaller rotor diameter and a lower rotating speed, which reduces a volume and weight of the overall device, is easy to mount and carry, and increases a battery life.
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公开(公告)号：US20240055673A1
公开(公告)日：2024-02-15
申请号：US18383469
申请日：2023-10-24
发明人： Baoan Li , Xi Li , Xinzhong Guo
CPC分类号： H01M10/425 , H02J7/007182 , H01M2010/4278 , H01M2220/30
摘要： An electric energy storage device, the electric energy storage device configured to be detachably coupled with an electrical device, the electric energy storage device comprises a housing, N sets of battery units received in the housing, N being a composite number, each battery unit comprising at least one battery cell, a plurality of switches, each switch connected to the output end of two different battery units, a control unit electrically connected to the switches and configured to control the switches to switch on or off in order to connect the battery units in parallel or series, wherein the electric energy storage device can output at least three different voltages. The electric energy storage device can be used for different types of power tools with different voltage requirements.
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公开(公告)号：US20240022091A1
公开(公告)日：2024-01-18
申请号：US18475184
申请日：2023-09-26
发明人： Huage Wang , Chuntao Lu , Xian Zhuang , Baoan Li
CPC分类号： H02J7/0024 , H02J7/007 , H02J9/061 , H01M10/425 , H02J2207/30 , H02J7/342
摘要： A battery pack is provided. The battery pack includes a housing, a plurality of battery sets arranged in the housing, and a power supply system. The power supply system includes a switch control circuit for controlling a series-parallel connection mode of the plurality of battery sets, a main control chip for controlling the discharge of the plurality of battery sets by the switch control circuit, a wake-up circuit for waking up the power supply system of the battery pack when the main control chip receives a wake-up signal, a self-locking circuit connected to the switch control circuit which switches to a disabled state when the self-locking circuit is triggered; and a USB circuit and an extended power output interface, connected to the plurality of battery sets for outputting power to charge external devices.
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公开(公告)号：US20230381875A1
公开(公告)日：2023-11-30
申请号：US18446470
申请日：2023-08-08
发明人： Jingshan LI , Lingao ZHANG
CPC分类号： B23D47/126 , B27G19/04 , B23D59/02 , B23D45/16
摘要： The disclosure provides a power tool and a cutting tool. The power tool includes a housing, a motor, a power supply, a working assembly, and a transmission mechanism. The motor is mounted in the housing and the motor has a motor shaft. The power supply is configured to provide energy for the motor. The working assembly rotates along a rotating axis of the working assembly itself. The transmission mechanism has a transmission shaft, the transmission shaft is connected with the motor shaft, so as to transmit power from the motor to the working assembly. The motor is an outer rotor motor, and an axis of the rotating axis of the working assembly intersects an axis of the transmission shaft.
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公开(公告)号：US20230354742A1
公开(公告)日：2023-11-09
申请号：US18224386
申请日：2023-07-20
发明人： Feng Jiang
CPC分类号： A01D34/6806 , A01D34/828 , A01D2101/00
摘要： A garden tool, including a main body, a walking wheel mounted on the main body, a self-propelled motor for driving the walking wheel, and a control panel disposed on the main body. The control panel includes a self-propelled control assembly. The self-propelled control assembly includes a self-propelled start paddle and a speed regulating button. Pressing the self-propelled start paddle activates self-propelled operation of the garden tool. The self-propelled start paddle can be released for a short time and the speed regulating button can be adjusted within the short time. The self-propelled start paddle can be re-pressed within the short time and after the speed regulating button is adjusted, and the garden tool maintains the self-propelled operation.
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