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公开(公告)号：US11744174B2
公开(公告)日：2023-09-05
申请号：US17959761
申请日：2022-10-04
发明人： Feng Jiang
IPC分类号： A01D34/68 , A01D34/82 , A01D101/00
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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公开(公告)号：US11725649B2
公开(公告)日：2023-08-15
申请号：US17084202
申请日：2020-10-29
发明人： Chunlin Zhao
CPC分类号： F04B53/08 , F04B9/045 , F04B17/03 , F04B19/22 , F04B39/064 , F04B53/16 , B08B3/026 , B08B2203/027 , B08B2203/0223
摘要： A pump assembly and a high-pressure cleaning apparatus, the pump assembly includes a motor assembly, a motor housing for receiving the motor assembly, a transmission assembly driven by the motor assembly, a pump, and a pipe assembly connecting the motor housing and the pump. Mutually independent heat dissipation portions are provided at two sides of the motor housing.
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公开(公告)号：US11721986B2
公开(公告)日：2023-08-08
申请号：US17098322
申请日：2020-11-13
发明人： Baoan Li , Yanliang Zhu , Xian Zhuang , Huage Wang
IPC分类号： H02J7/00
CPC分类号： H02J7/00306 , H02J7/0031
摘要： A battery pack charging and discharging protection system comprises a battery pack and a power input controlling circuit connected with the battery pack. The system has a voltage regulator unit and a charging and discharging protection unit. The protection unit includes a coupling wake-up circuit, a power-off acceleration circuit, an MCU self-locking circuit and a button detection circuit. The coupling wake-up circuit is connected with the power input controlling circuit. The power-off acceleration circuit is connected with the coupling wake-up circuit. Compared to the conventional technology, the present invention adopts single-wire compatible communication and coupled wake-up mode to achieve the autonomous power-off of the battery pack in time, avoiding over-discharge of the battery caused by the long-term self-consumption of the battery pack.
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公开(公告)号：US11682911B2
公开(公告)日：2023-06-20
申请号：US17099526
申请日：2020-11-16
CPC分类号： H02J7/0013 , A01D34/78 , B25F5/02 , H02J7/0047
摘要： The invention provides a power tool, which comprises a motor, at least two battery packs supplying power to the motor and arranged in parallel. The power tool also comprises a relay control circuit used for connecting the motor and the battery packs, and the relay control circuit is provided with a controller, and a plurality of relay switch circuits connected with the controller. The controller is used for detecting the electric energy and/or an user state of battery packs and generates battery pack selection signals, the relay switch circuits and the battery packs are arranged one-to-one, the relay switch circuits receive the battery pack selection signals and control turning on/turning off of relays switches therein, and further switch the battery packs in the on state, to make only one battery pack in the on state at the same time.
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公开(公告)号：US11667181B2
公开(公告)日：2023-06-06
申请号：US17113044
申请日：2020-12-05
发明人： Jun Fan , Chaoqun Wang , Qunli Wei
IPC分类号： B60K1/04 , A01D34/64 , A01D34/78 , A01D69/02 , A01D101/00
CPC分类号： B60K1/04 , A01D34/64 , A01D34/78 , A01D69/02 , A01D2101/00 , B60K2001/0416 , B60K2001/0477
摘要： The invention provides a mower, which comprises a battery package assembly and a frame for bearing the battery package assembly; the battery package assembly comprises a battery package and a fixing plate, the battery package is fixed on the fixing plate, a plurality of first pulleys are arranged at the bottom of the fixing plate, and the first pulleys are distributed along the installation direction of the battery package assembly. The frame comprises a supporting surface, and the first pulleys are supported on the supporting surface. The battery package assembly of the lawn mower moves on the supporting surface in a rolling mode, generated friction force is small, and convenience and labor saving can be achieved for the mounting and dismounting processes of the battery package assembly.
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公开(公告)号：US11641796B2
公开(公告)日：2023-05-09
申请号：US17070964
申请日：2020-10-15
发明人： Shouchuan Feng
IPC分类号： A01D34/73 , A01D101/00
CPC分类号： A01D34/73 , A01D2101/00
摘要： The invention provides a blade and a lawn mower. The blade comprises a flat middle portion, and two end portions respectively disposed at two opposite ends of the middle portion, wherein a cutting edge is located on the end portion, and wherein each end portion includes a first end portion and a second end portion, and wherein the second end portion is located between the middle portion and the first end portion, and wherein along the longitudinal direction of the middle portion, the ratio of the length of the first end portion to the length of the blade in a horizontal plane is between 0.045 and 0.09. The blade and the lawn mower have advantages that grass can be smashed completely by the blade to achieve an optimal grass smashing effect, the structure is simple and the cost is low.
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公开(公告)号：US20230133914A1
公开(公告)日：2023-05-04
申请号：US17912047
申请日：2021-03-16
发明人： Chuntao LU , An YAN
摘要： A power switching device, an electric energy storage system and an electric tool system are provided. The power switching device includes a plug connected to a power supply device and including an output terminal; and a power switching assembly connected to the plug and including a power switching member, the switching member is used for switching a coupling form of the plug. The power switching assembly further includes a control member for controlling the power switching assembly to move between different switching positions. The control member includes a switching button, and the switching position of the power switching assembly is switched by pressing the switching button.
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公开(公告)号：US20230085538A1
公开(公告)日：2023-03-16
申请号：US17989713
申请日：2022-11-18
发明人： André Lundkvist , Daniel Truong , Jin CAO , Wanghao LI , Jie GAO
摘要： The disclosure provides a robotic mower and its path planning method, system and device. The method includes controlling the robotic mower to exit the charger station until it is outside the loop of the charger station and continue to move for a random distance; and controlling the robotic mower to search the boundary wire or guide wire, wherein the boundary wire is pre-laid at the edge of the working area of the robotic mower, the guide wire is pre-laid in the working area of the robotic mower; the robotic mower is controlled to move by following the boundary wire or guide wire until a predetermined target distance is traveled. With the disclosure, tracks generated when the robotic mower exit the charger station along a fixed path can be avoided, and the damage to the lawn or vegetation can be reduced.
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公开(公告)号：US20230051150A1
公开(公告)日：2023-02-16
申请号：US17973538
申请日：2022-10-26
发明人： Zhigao PU , Wanghao LI , Jie GAO , Jin CAO , Huage WANG , Xian ZHUANG , Zhiyuan LI , Yupu ZHOU
摘要： A mower is provided and includes: a housing; a movable upper cover, disposed on the housing; and a cutting assembly, disposed on the housing. The cutting assembly includes a blade carrier assembly, and the blade carrier assembly includes a blade carrier and a blade. The blade carrier includes a disc body and a blade receiving groove recessed inwardly from an edge of the disc body along an axial direction of the disc body. The blade is mounted in the blade receiving groove and arranged to be that the blade is not protruded out of the blade receiving groove in the axial direction of the disc body.
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公开(公告)号：US20230023746A1
公开(公告)日：2023-01-26
申请号：US17959761
申请日：2022-10-04
发明人： Feng Jiang
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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