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    Wireless communication terminal device
    1.
    发明授权
    Wireless communication terminal device 有权

    公开(公告)号：US12292734B2

    公开(公告)日：2025-05-06

    申请号：US17740336

    申请日：2022-05-09

    Applicant: Yanmar Power Technology Co., Ltd.

    Inventor： Kazuhisa Yokoyama

    IPC: G05D1/00 ,  B60W50/14 ,  B60W60/00 ,  H04Q9/00 ,  A01B79/00

    Abstract: A wireless communication terminal device for operating a work vehicle that autonomously travels includes: a device main body 70 having a display 74 that is capable of accepting a touch panel operation; and an emergency-stop remote controller 71 having an emergency stop button 72 that is used to stop autonomous travel of the work vehicle. The device main body 70 and the emergency-stop remote controller 71 perform wireless communication with the work vehicle via different wireless communication networks having different communication schemes, respectively.

    Construction machine, antenna attachment method, and antenna attachment structure
    3.
    发明授权
    Construction machine, antenna attachment method, and antenna attachment structure 有权

    公开(公告)号：US12288930B2

    公开(公告)日：2025-04-29

    申请号：US17623097

    申请日：2020-06-02

    Applicant: YANMAR POWER TECHNOLOGY CO., LTD.

    Inventor： Kohei Okazaki

    IPC: H01Q1/32 ,  B60R11/02 ,  E02F9/16 ,  H01Q1/24

    Abstract: A revolving work vehicle includes a lower traveling body and an upper revolving body. The upper revolving body is revolvably supported by the lower traveling body. The upper revolving body comprises: a roof; rear-side support columns; a base body; antenna support columns; and GNSS antennas. The roof is disposed above an operator's seat. The rear-side support columns are disposed as a pair and extend upwards from the rear section of the upper revolving body so as to support the roof. The base body is attached to both of the pair of rear-side support columns so as to connect the pair of rear-side support columns to each other. The antenna columns are disposed as a pair and extend upwards from the base body at positions which do not overlap with the roof in a plan view. The GNSS antennas are disposed as a pair.

    WORK MAP PROVISION SERVER
    4.
    发明申请
    WORK MAP PROVISION SERVER 有权

    公开(公告)号：US20250120335A1

    公开(公告)日：2025-04-17

    申请号：US19001794

    申请日：2024-12-26

    Applicant: YANMAR POWER TECHNOLOGY CO., LTD.

    Inventor： Sosuke MURATA

    IPC: A01C21/00 ,  G01S19/13 ,  G06Q50/02

    Abstract: This work map provision server includes a storage unit that has stored therein a plurality of work maps which individually comprise work setting information of respective small regions in a farm field and attribute information of the work maps; and a map selection unit that, upon receipt of a map acquisition request from a work machine, selects, from among the plurality of maps, one or more work maps suited to said map acquisition request on the basis of map narrowing-down information contained in said map acquisition request and/or reception time and date of said map acquisition request and also on the basis of the attribute information of the respective work maps, and then transmits the selected work maps to the work machine.

    ENGINE DEVICE
    5.
    发明申请
    ENGINE DEVICE 有权

    公开(公告)号：US20250092842A1

    公开(公告)日：2025-03-20

    申请号：US18968233

    申请日：2024-12-04

    Applicant: YANMAR POWER TECHNOLOGY CO., LTD.

    Inventor： Koichi KOZATO ,  Hiroaki NAGANAWA

    IPC: F02F7/00 ,  F01M11/02 ,  F02F1/00

    Abstract: An engine device including a cylinder block for supporting a crankshaft so that the crankshaft is rotatable. Opposite side portions of the cylinder block along a crankshaft axial direction have, on one of their ends relative to the crankshaft axial direction, projecting portions protruding in a direction away from the crankshaft, and reinforcing ribs provided between side walls and the projecting portions of the opposite side portions so that the reinforcing ribs are flared at their sides close to the corresponding projecting portions, the projecting portions and the reinforcing ribs being integrally formed with the cylinder block.

    Tractor
    6.
    发明授权
    Tractor 有权

    公开(公告)号：US12214657B2

    公开(公告)日：2025-02-04

    申请号：US17969975

    申请日：2022-10-20

    Applicant: YANMAR POWER TECHNOLOGY CO., LTD.

    Inventor： Yoshiaki Kurokawa

    IPC: B60K15/063 ,  F01N3/20 ,  B60K13/04

    Abstract: A tractor including: a traveling body having an engine; a post-processing device configured to purify exhaust gas of the engine; and a reductant tank configured to store a reductant to be supplied to the post-processing device. A pair of left and right fuel tanks are arranged respectively on left and right sides of a longitudinally midway portion of the traveling body. A tank-accommodation recess for accommodating a reductant tank is formed at a lower-front portion of one of the left and right fuel tanks. While the reductant tank is accommodated in the tank-accommodation recess, an upper front portion of the fuel tank and the reductant tank are aligned up and down.

    Area registration method and area registration system
    8.
    发明授权
    Area registration method and area registration system 有权

    公开(公告)号：US12193348B2

    公开(公告)日：2025-01-14

    申请号：US17800877

    申请日：2021-02-03

    Applicant: Yanmar Power Technology Co., Ltd.

    Inventor： Yasuto Nishii ,  Taiki Shirafuji

    IPC: A01B69/04 ,  G05D1/00

    Abstract: An area registration method including setting information about a work vehicle that autonomously travels in a travel area; setting a work area which is included in the travel area and in which the work vehicle performs work; setting a headland area that is included in the travel area and is located on the outer side of the work area; and, when an operation for inputting the set information of the headland area is received after the work area and the headland area have been set, changing the sizes of the work area and the headland area on the basis of the inputted set information.

    Automatic travel system for work vehicles
    10.
    发明授权
    Automatic travel system for work vehicles 有权

    公开(公告)号：US12035647B2

    公开(公告)日：2024-07-16

    申请号：US17271543

    申请日：2019-07-09

    Applicant: Yanmar Power Technology Co., Ltd.

    Inventor： Shogo Fujimoto

    IPC: A01B63/111 ,  G05D1/00

    CPC classification number: A01B63/111 ,  G05D1/0011

    Abstract: An automatic travel system for a work vehicle allows the work height of a work device to be easily and appropriately adjusted by a remote operation that uses a remote operation device for a work vehicle during automatic travel. The automatic travel system for work vehicles includes an automatic travel unit, and a remote operation device, for a work vehicle. A work vehicle has a work height setting unit, a height detector, a raising and lowering indicator, and a raising and lowering control unit, for a work device. The raising and lowering control unit sets a control target height to a work height on the basis of the indication of the raising and lowering indicator and executes automatic raising and lowering control so that the height position of a work device (6) matches the work height. The remote operation device has a display device that displays remote operation information, and a work height adjustor that allows adjustment of the work height while in automatic travel mode. The display device has a work height display section that displays the work height of the work device, the work height after adjustment, and the height position of the work device.

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