利索-全球专利检索

  1. Login
  2. Sign Up

Search Results

141 records (took 0.018 seconds)

    Tree processing system
    1.
    发明授权
    Tree processing system 有权

    公开(公告)号：US11793125B2

    公开(公告)日：2023-10-24

    申请号：US17663967

    申请日：2022-05-18

    Applicant: DEERE & COMPANY

    Inventor： Sanket Pawar

    IPC: A01G23/081

    CPC classification number: A01G23/081

    Abstract: A method for a tree processing head to harvest a tree includes initiating a cutting operation on a tree, the cutting operation including powering a cutting chain of a saw bar driven by a motor; securing the tree; moving the saw bar via an actuator, the saw bar configured to be moved from a home position to a first position and to a second position, and the first position and the second position defining a cutting zone; detecting a hydraulic pressure of at least one of the motor and the actuator by a sensor; determining whether the second position is reached based upon a decrease of the hydraulic pressure by a controller; and transmitting a resting signal to the tree processing head to perform a resting operation when the controller determines that the second position is reached.

    Tree processing system
    2.
    发明授权
    Tree processing system 有权

    公开(公告)号：US11785901B2

    公开(公告)日：2023-10-17

    申请号：US16786165

    申请日：2020-02-10

    Applicant: DEERE & COMPANY

    Inventor： Sanket Pawar ,  Joshua C. Heitsman

    IPC: A01G23/081 ,  B23D59/00

    CPC classification number: A01G23/081 ,  B23D59/001

    Abstract: A tree processing system may include a tree processing head and a controller. The tree processing head may include a header frame, a motor, a saw, an arm, and a sensor. The saw is used to cut a tree when the saw is driven by the motor. The saw engages with the tree from a first position and to a second position. The first position and the second position define a cutting zone therebetween. The sensor is used to detect a saw operation speed or current. The controller is coupled to the sensor and configured to determine whether the second position is reached based upon an increase of the saw operation speed or current detected by the sensor. When the second position is reached, the controller transmits a resting signal to the tree processing head to perform a resting operation.

    FELLING HEAD FOR A FORESTRY MACHINE
    3.
    发明申请
    FELLING HEAD FOR A FORESTRY MACHINE 审中-公开

    公开(公告)号：US20190059248A1

    公开(公告)日：2019-02-28

    申请号：US15685239

    申请日：2017-08-24

    Applicant: Deere & Company

    Inventor： Bhupesh Agrawal ,  Sean P. West ,  William E. Reeves ,  Bryon P. Neumann ,  Robert Salamon ,  Mark E. Breutzman

    IPC: A01G23/081 ,  A01G23/091

    CPC classification number: A01G23/081 ,  A01G23/091

    Abstract: A forestry machine configured to cut timber, where the forestry machine comprises a felling head including a support frame having an accumulation pocket, an accumulating arm, and a harvest arm. The forestry machine further comprises a stator having coils thereon adapted to produce a time varying stator magnetic field, a rotor having at least either a set of slots or a set of permanent magnets mounted thereon facing the stator and adapted to produce a radially directed flux or an axially directed flux. The rotor is rotatably coupled to the stator in axial alignment therewith by the time varying stator magnetic field. The rotor comprises a saw blade.

    AERIAL TREE HARVESTER
    5.
    发明申请
    AERIAL TREE HARVESTER 审中-公开

    公开(公告)号：US20180215466A1

    公开(公告)日：2018-08-02

    申请号：US15748215

    申请日：2016-08-03

    Applicant: Geoffrey William Hall

    Inventor： Geoffrey William Hall

    IPC: B64D1/22 ,  A01G23/091 ,  A01G23/081

    CPC classification number: B64D1/22 ,  A01G23/06 ,  A01G23/08 ,  A01G23/081 ,  A01G23/091

    Abstract: A machine operates in conjunction with an aircraft, such as a helicopter, for harvesting or removing trees. The device can be powered by the aircraft, by electrical or hydraulic connection with the aircraft, or it may have an independent, self-contained power source. The device includes jaws for grasping a tree, and a saw for cutting the tree. The weight of the device is borne by a strong and flexible cord suspended from the aircraft. Various motors enable the position of the device to be remotely controlled, so as to grasp and remove tree trunks. The invention is especially useful for removing trees from areas which are difficult to reach by land.

    WORK VEHICLE GYROSCOPIC BOOM CONTROL SYSTEM AND METHOD
    7.
    发明申请
    WORK VEHICLE GYROSCOPIC BOOM CONTROL SYSTEM AND METHOD 审中-公开

    公开(公告)号：US20180110190A1

    公开(公告)日：2018-04-26

    申请号：US15299129

    申请日：2016-10-20

    Applicant: Deere & Company

    Inventor： John R. Mahrenholz ,  Calin Raszga ,  Daryl I. Rober

    IPC: A01G23/099 ,  A01G23/081

    CPC classification number: A01G23/099 ,  A01G23/081 ,  B66C1/68 ,  B66C3/20 ,  B66C13/085

    Abstract: A work vehicle gyroscopic boom assembly control system utilizes gyroscopically-measured angular velocity data to control boom movement. The work vehicle includes an operator interface, a boom assembly, a first gyroscope, and a controller. The boom assembly includes a first boom element coupled to a first actuator, which is controllable to rotate the first boom element about a first pivot joint. During operation of the work vehicle, the controller receives an operator request for boom assembly movement via the operator interface, converts the operator request to a target angular velocity of the first boom element, and selectively commands the first actuator to adjust rotation of the first boom element based, at least in part, on the target angular velocity and a current angular velocity of the first boom element sensed by the first gyroscope.

    FORESTRY DEVICE WITH ARTICULATED ACCUMULATING ARM
    8.
    发明申请
    FORESTRY DEVICE WITH ARTICULATED ACCUMULATING ARM 审中-公开
    具有连续累积臂的森林装置

    公开(公告)号：US20170055465A1

    公开(公告)日：2017-03-02

    申请号：US14761676

    申请日：2014-06-17

    Applicant: PRENBEC EQUIPMENT INC.

    Inventor： Yvan LAMONTAGNE ,  Etienne MINVILLE ,  Pierre PERRON

    IPC: A01G23/081

    CPC classification number: A01G23/081

    Abstract: A forestry device is provided. The forestry device, for example a bunching and felling head, is configured to group trees. The device comprises a support frame and an accumulation area located proximate to the support frame. The device includes at least a first arm rotatable relative to the support frame, to gather trees, and at least one accumulating arm rotatable relative to the support frame, to secure one or more trees in the accumulation area and to retract from the accumulation area to allow a newly gathered tree to be added in the accumulation area. The one or more accumulating arm(s) include(s) an inner arm pivotable relative to the support frame and an outer arm pivotable relative to the inner arm. The outer arm is provided with at least one articulation dividing the outer arm into at least a proximate member and a distal member.

    Abstract translation: 提供林业设备。 林业设备，例如一个聚束和砍伐头，被配置为对树进行分组。 该装置包括支撑框架和靠近支撑框架定位的堆积区域。 所述装置至少包括可相对于所述支撑框架旋转的第一臂，以收集树木，以及至少一个相对于所述支撑框架可旋转的聚集臂，以将一个或多个树木固定在所述堆积区域中并且从所述堆积区域缩回到 允许在聚积区域中添加一个新聚集的树。 一个或多个累积臂包括可相对于支撑框架枢转的内臂和可相对于内臂枢转的外臂。 外臂设置有将外臂分成至少近似构件和远侧构件的至少一个关节。

    Control of a boom construction and a tool articulated thereto
    10.
    发明授权
    Control of a boom construction and a tool articulated thereto 有权
    动臂结构的控制和与其铰接的工具

    公开(公告)号：US09345204B2

    公开(公告)日：2016-05-24

    申请号：US13854606

    申请日：2013-04-01

    Applicant: John Deere Forestry Oy

    Inventor： Jarkko Jäntti

    IPC: B66C23/00 ,  A01G23/081 ,  E02F3/43 ,  E02F9/20

    CPC classification number: A01G23/081 ,  E02F3/436 ,  E02F3/437 ,  E02F9/2033

    Abstract: A working apparatus comprises a working machine, a tool, a boom construction, and a control system. A first end of the boom construction is connected to the working machine. The tool is connected to an opposite second end of the boom construction. The boom construction comprises a first boom and a first actuator controlling the first boom, a second boom articulated to the first boom and a second actuator controlling the second boom, and a third actuator controlling the position of the tool. The control system has a link mode, a parallel mode, and a tool-levelling mode.

    Abstract translation: 工作装置包括作业机械，工具，动臂结构和控制系统。 动臂结构的第一端连接到作业机。 工具连接到动臂结构的相对的第二端。 动臂构造包括第一起重臂和控制第一起重臂的第一致动器，铰接到第一起重臂的第二起重臂和控制第二起重臂的第二致动器以及控制工具位置的第三致动器。 控制系统具有链接模式，并行模式和工具调平模式。

Patent Agency Ranking