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    Wear cap
    1.
    外观设计
    Wear cap 有权

    公开(公告)号：USD992605S1

    公开(公告)日：2023-07-18

    申请号：US29789143

    申请日：2021-09-02

    申请人： Liebherr-Mining Equipment Colmar SAS

    设计人： Gérard Weber ,  Martial Vicq

    摘要： FIG. 1 is a right side view of a wear cap according to the claimed design.
    FIG. 2 is a bottom view of the wear cap.
    FIG. 3 is a front view of the wear cap.
    FIG. 4 is a top view of the wear cap.
    FIG. 5 is a rear view of the wear cap.
    FIG. 6 is a left side view of the wear cap.
    FIG. 7 is a bottom-right perspective view of the wear cap; and,
    FIG. 8 is a top-left perspective view of the wear cap mounted on a bucket tooth adapter of a bucket of an earth moving machine.
    Any reflection, shadowing, or color in the drawings forms no part of the claimed design.
    The broken lines in FIG. 8 of the drawings showing the bucket tooth adapter of the bucket of the earth moving machine illustrate environmental matter that forms no part of the claimed design.

    METHOD OF DETERMINING AN ANGLE OF A TOOL OF A MACHINE
    2.
    发明申请
    METHOD OF DETERMINING AN ANGLE OF A TOOL OF A MACHINE 有权

    公开(公告)号：US20210180296A1

    公开(公告)日：2021-06-17

    申请号：US17263136

    申请日：2019-07-26

    申请人： LIEBHERR-MINING EQUIPMENT COLMAR SAS

    发明人： Adrien JAEGY

    IPC分类号： E02F9/26 ,  G01B21/22 ,  G01C21/16 ,  G01P3/44 ,  E02F3/30

    摘要： The present invention relates to a method of determining an angle of a piece of working equipment of a machine, wherein the machine has an undercarriage and a superstructure rotatable with respect thereto, wherein the piece of working equipment is fastened to the superstructure via a swivel joint such that the angle of rotation of the swivel joint is orthogonal to the axis of rotation of the rotatable superstructure, wherein the piece of working equipment is provided with an IMU, that is in an inertial measurement unit, that is configured to detect an angular speed in three spatial directions that are preferably perpendicular to one another, and wherein a first of the three spatial directions, whose angular speed ({dot over (θ)}y) is detectable by the IMU is in parallel with the axis of rotation of the swivel joint. The method is characterised in that an angular speed ({dot over (θ)}tz) that occurs on a rotation of the superstructure is detected by the IMU and an angle of the piece of working equipment relative to the axis of rotation of the superstructure is determined on the basis of the detected angular speed ({dot over (θ)}tz) of the superstructure.

    MOBILE WORK MACHINE AND METHOD FOR OPERATING A MACHINE OF THIS TYPE
    4.
    发明申请
    MOBILE WORK MACHINE AND METHOD FOR OPERATING A MACHINE OF THIS TYPE 有权

    公开(公告)号：US20220098829A1

    公开(公告)日：2022-03-31

    申请号：US17426067

    申请日：2020-01-28

    申请人： LIEBHERR-MINING EQUIPMENT COLMAR SAS

    发明人： Philipp HAHN ,  Alexis LEROY

    IPC分类号： E02F9/20 ,  E02F9/22 ,  F02D29/04 ,  F02D31/00 ,  F02D41/02

    摘要： The present invention relates to a mobile work machine, in particular a hydraulic excavator, which comprises an engine for driving the mobile work machine, a hydraulic power generation unit which is coupled to the engine and is designed to convey a hydraulic volume in a manner which is dependent on a rotational speed of the engine, and a plurality of hydraulic elements which can be actuated by way of the conveyed volume of the hydraulic power generation unit and are assigned to various functions of the mobile work machine. The machine is characterized by a control unit for detecting a defined operating mode of the mobile work machine, wherein the control unit is designed to set the setpoint rotational speed of the engine in a manner which is dependent on the detected defined operating mode.