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公开(公告)号：US12120982B2
公开(公告)日：2024-10-22
申请号：US17381716
申请日：2021-07-21
申请人： Kubota Corporation
IPC分类号： A01D69/02 , A01D34/00 , A01D34/66 , A01D34/78 , B60K1/04 , B60L50/60 , B60L53/80 , B62B5/00 , A01D101/00 , B62B1/14 , B62B1/26
CPC分类号： A01D69/02 , A01D34/003 , A01D34/66 , A01D34/78 , B60K1/04 , B60L50/66 , B60L53/80 , B62B5/0003 , A01D2101/00 , B60K2001/0416 , B60K2001/0477 , B60K2001/0488 , B60K2001/0494 , B60L2200/40 , B60Y2200/223 , B62B1/14 , B62B1/26 , B62B2202/61
摘要： An electric work vehicle includes: a battery accommodating portion that is provided in the vehicle body and accommodates a battery; a first connector provided on the battery accommodating portion; a second connector provided on the battery; and an operating tool for moving the battery and the second connector, and switching from a pre-attachment orientation in which the second connector opposes the first connector to an attachment orientation in which the second connector is joined to the first connector.
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公开(公告)号：US20240308318A1
公开(公告)日：2024-09-19
申请号：US18676708
申请日：2024-05-29
申请人： KUBOTA CORPORATION
CPC分类号： B60K1/00 , B60K11/04 , B60K17/28 , B60L50/60 , A01D34/64 , A01D34/78 , B60K2001/006 , B60L2200/40 , B60L2210/10 , B60L2210/44 , B60L2240/36
摘要： An electric work vehicle includes a body, a travel device in the body, a motor to drive the travel device, an inverter to supply power to the motor, an electric component, a DC/DC converter to convert a voltage of power to be supplied to the electric component, a radiator to cool coolant, and a cooling path through which the coolant cooled by the radiator circulates through the motor, the inverter, and the DC/DC converter and returns to the radiator. The cooling path extends from the radiator, passes through the inverter, the motor, and the DC/DC converter in this order, and returns to the radiator.
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公开(公告)号：US20240306548A1
公开(公告)日：2024-09-19
申请号：US18671006
申请日：2024-05-22
发明人： Qian Liu , Toshinari Yamaoka , Zhen Wang , Fangjie Nie
IPC分类号： A01D69/02 , A01D34/64 , A01D34/78 , A01D101/00
CPC分类号： A01D69/02 , A01D34/64 , A01D34/78 , A01D2101/00
摘要： An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.
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公开(公告)号：US20240292781A1
公开(公告)日：2024-09-05
申请号：US18662302
申请日：2024-05-13
发明人： Haishen Xu , Toshinari Yamaoka , Jian Yang
IPC分类号： A01D34/73 , A01D34/68 , A01D34/685 , A01D34/71 , A01D34/78 , A01D34/82 , A01D101/00
CPC分类号： A01D34/733 , A01D34/6806 , A01D34/685 , A01D34/73 , A01D34/78 , A01D34/71 , A01D34/82 , A01D2101/00
摘要： A lawn mower includes a blade assembly configured to perform a cutting function. The blade assembly includes an upper blade mounted about a blade rotation axis and an upper blade proximal portion being substantially flat and including a first cutting edge. A lower blade is mounted in overlap with the upper blade about the blade rotation axis. The lower blade includes a lower blade proximal portion positioned outward from the lower blade mounting portion in a radial direction, a lower blade end portion positioned outward from the lower blade proximal portion and below the lower blade proximal portion, and a second cutting edge. A lower blade falling portion transitions from the lower blade proximal portion to the lower blade end portion.
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公开(公告)号：US20240276911A1
公开(公告)日：2024-08-22
申请号：US18572003
申请日：2022-06-24
发明人： Samuel COOGAN
IPC分类号： A01D34/416 , A01D34/73 , A01D34/78 , A01D101/00
CPC分类号： A01D34/4167 , A01D34/73 , A01D34/78 , A01D2101/00
摘要： A lawn trimmer (100) comprising: a powered cutting tool (112) comprising a motor operably coupled to a rotatable cutter holder (120), the rotatable cutter holder (120) being operably coupled to a cutting piece (122). The rotatable cutter holder (120) has a forward side and first and second lateral sides. A guard (116) is configured to extend substantially from the first lateral side to the second lateral side around the front side of the rotatable cutter holder (120). The guard (116) is configured to provide space for the cutting piece (122) to rotate freely within the guard (116) and is an apertured barrier that provides a protective buffer between the cutting piece (122) and a ground surface, thereby preventing engagement of the rotatable cutter holder (120) with the ground surface when the powered cutting tool (112) is translated over the ground surface.
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公开(公告)号：US20240270310A1
公开(公告)日：2024-08-15
申请号：US18168702
申请日：2023-02-14
申请人： DEERE & COMPANY
CPC分类号： B62D11/04 , A01D34/006 , A01D34/78 , A01D34/824 , B62D1/12 , A01D34/64 , A01D2101/00
摘要： A zero turning radius mower steering sensor linkage includes a steering lever rotating between a forward position and a reverse position on a steering lever axis; a rotary sensor rotating between a forward position and a reverse position on a rotary sensor axis displaced from the steering lever axis; and a rotary link connected between the steering lever and rotary sensor to command a rotational speed of a drive wheel motor based on the steering lever position.
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公开(公告)号：US20240268262A1
公开(公告)日：2024-08-15
申请号：US18568107
申请日：2022-06-15
申请人： THE TORO COMPANY
CPC分类号： A01D34/74 , A01D34/006 , A01D34/64 , A01D34/78
摘要： A ground working vehicle having a vehicle frame (102) is disclosed. An implement (114) is coupled to the vehicle frame (102) and extends between a first implement end and a second implement end. The implement (114) is adjusted to alter the rake angle between the first and second implement ends, to modify internal dimensions of the implement (114), and/or to include a kick-down baffle. Further, the implement (114) may be adjusted manually, remotely, or automatically. For example, one or more actuators (150) can be coupled to the implement (114) to adjust as desired by the user. Further, one or controllers (152) can automatically adjust the implement (114). Specifically, the implement (114) is adjusted to optimize operating parameters such as, e.g., runtime of the vehicle and/or quality of cut.
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公开(公告)号：US12016259B2
公开(公告)日：2024-06-25
申请号：US17210563
申请日：2021-03-24
IPC分类号： A01C21/00 , A01B79/02 , A01D34/00 , A01D34/64 , A01G7/06 , G01N33/00 , G05D1/00 , G06F17/18 , A01B79/00 , A01D34/78 , A01D101/00 , G05B13/04
CPC分类号： A01C21/007 , A01B79/02 , A01D34/008 , A01D34/64 , A01G7/06 , G01N33/0098 , G05D1/0219 , G06F17/18 , A01B79/005 , A01D34/78 , A01D2101/00 , G05B13/048
摘要： An information providing device includes an information acquisition part configured to acquire environment information which indicates a growth environment of grass in a predetermined area and state information which indicates a growth state of the grass in the predetermined area, and an information generating part configured to determine a good area which indicates an area in which the growth state of the grass in the predetermined area is good and a bad area which indicates an area in which the growth state of the grass in the predetermined area is bad based on the state information, and configured to generate management information which indicates a content of treatments to be performed with respect to the good area and the bad area based on the environment information.
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公开(公告)号：US20240172588A1
公开(公告)日：2024-05-30
申请号：US18432461
申请日：2024-02-05
发明人： Zhen Wang , Toshinari Yamaoka , Xi Chen , Fan Gao , Dezhong Yang , Lei Wang , Cheng Dai , Qiqi Yin , Zhongning Ding
IPC分类号： A01D34/78 , A01D34/64 , A01D69/02 , H05K3/28 , A01D101/00
CPC分类号： A01D34/78 , A01D34/64 , A01D69/02 , H05K3/284 , A01D2101/00 , H05K2203/095
摘要： A riding lawn mower includes: a seat; a frame; a mowing element; a deck surrounding and forming a mowing space for accommodating at least part of the mowing element; and a first motor for driving the mowing element to rotate. The first motor includes a rotor assembly including a rotor shaft enabled to rotate about a rotation axis and a stator assembly, a motor housing surrounding and forming an accommodation cavity for accommodating at least part of the stator assembly. The rotor shaft passes through the motor housing in a direction of the rotation axis and is at least partially located outside the motor housing; the deck is provided with a first through hole for the first motor to pass through so that the motor housing is at least partially located in the mowing space. The first motor of the riding lawn mower has a good cooling effect.
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公开(公告)号：US20240107950A1
公开(公告)日：2024-04-04
申请号：US18449745
申请日：2023-08-15
发明人： Yiwen Xia , Yanqing Xu , Yufei Ren , Haishen Xu
CPC分类号： A01D75/28 , A01D34/006 , A01D34/69 , A01D34/78 , A01D34/824 , A01D2101/00
摘要： A power-assisted working machine and mower. The mower includes a body including a traveling assembly and a drive motor for driving the traveling assembly; a handle device connected to the body and including an operating member, where the operating member includes a grip for a user to hold; and a connecting rod connected to the body. The mower further includes a motor parameter detection device configured to detect at least one of the rotor position and the working current of the drive motor; an angle detection device configured to detect an angle of inclination of a workplane of the mower relative to a horizontal plane; and a controller configured to estimate thrust applied to the handle device according to the rotor position and/or the working current and the angle of inclination.
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