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1. 发明授权

US11845412B2 Electromagnetic brake system 有权
公开(公告)号：US11845412B2
公开(公告)日：2023-12-19
申请号：US17475352
申请日：2021-09-15
申请人： DOOSAN INDUSTRIAL VEHICLE CO., LTD
发明人： Jin Woo Choi
IPC分类号： F16D65/12 , B60T13/74 , B60T1/06 , F16D55/02 , F16D65/00 , F16D65/092 , F16D65/02 , F16D121/22
CPC分类号： B60T13/743 , B60T1/065 , F16D55/02 , F16D65/005 , F16D65/092 , F16D65/123 , F16D2065/132 , F16D2121/22
摘要： Disclosed herein is an electromagnetic brake system. The electromagnetic brake system includes a brake disc configured to be rotated together with a drive shaft of a drive motor configured to operate a vehicle wheel, an armature disc configured to be movable so as to be in close contact with or so as to be separated from one side of the brake disc, an elastic member configured to elastically press the armature disc to the one side of the brake disc to a direction in which the armature disc is in close contact with the brake disc, and an inductor configured to separate the armature disc from the brake disc by an electrical signal. The brake disc includes a tube portion mounted on the drive shaft, and a plate portion provided to extend in an outward direction of the tube portion to be opposite to the armature disc. The tube portion and the plate portion are provided as a single member in which the tube portion and the plate portion are integrally formed with each other.

2. 发明申请

US20220396460A1 PALLET CLAMP APPARATUS 有权
公开(公告)号：US20220396460A1
公开(公告)日：2022-12-15
申请号：US17704577
申请日：2022-03-25
申请人： DOOSAN INDUSTRIAL VEHICLE CO., LTD.
发明人： Woong KIM
IPC分类号： B66F9/12 , B25B5/06
摘要： According to various example embodiments, a pallet clamp apparatus for clamping a pallet to a pair of forks provided in a forklift includes a housing disposed adjacent to each of the pair of forks, a locking member, at least a portion of the locking member protruding to the outside of the housing to fix the pallet, a spring member configured to elastically press the locking member toward the inner side of the fork in a lateral direction, and a release member configured to release fixing of the locking member by pressing the spring member.

3. 发明申请

US20130055704A1 Apparatus for Controlling Raise Speed of Working Machine for Heavy Equipment 有权
标题翻译：用于控制重型设备工作机械升高的装置
公开(公告)号：US20130055704A1
公开(公告)日：2013-03-07
申请号：US13698432
申请日：2011-05-19
申请人： Chan Heo , Hyun Gie Koh
发明人： Chan Heo , Hyun Gie Koh
IPC分类号： F04B49/08
CPC分类号： F15B11/166 , B66F9/22 , F02D29/04 , F15B2211/20523 , F15B2211/20576 , F15B2211/30565 , F15B2211/329 , F15B2211/355 , F15B2211/50554 , F15B2211/633 , F15B2211/6355 , F15B2211/665 , F15B2211/6654 , F15B2211/67 , F15B2211/7128 , F15B2211/7135 , F15B2211/781
摘要： The present disclosure relates to an apparatus for controlling a raise speed of a working machine for heavy equipment that includes first and second pumps, a main control valve unit that includes two lift cylinder operation units connected with the first and second pumps and operating two lift cylinders and one tilt cylinder operation unit operating two tilt cylinders, a priority valve that is provided in a working fluid line between the second pump and the main control valve unit, and a lift lever that includes a remote control valve connected with the two lift cylinder operation units through a pilot oil line, respectively, and controlling the two lift cylinders through the two lift cylinder operation units, in which a valve control unit, which electrically controls the flow of pilot oil in proportion to the RPM of an engine to allow or stop the working fluid flowing from any one of the two lift cylinder operation units to the two lift cylinders, is disposed in any one of two pilot oil lines between the two lift cylinder operation units and the remote control valve of the lift lever.
摘要翻译：本公开涉及一种用于控制包括第一和第二泵的重型设备的作业机的提升速度的装置，主控制阀单元包括与第一和第二泵连接的两个升降缸操作单元，并且操作两个提升缸以及一个操作两个倾斜气缸的倾斜气缸操作单元，设置在第二泵和主控制单元之间的工作流体管线中的优先阀，以及包括与两个提升缸操作连接的遥控阀的提升杆分别通过先导油管线，并通过两个提升缸操作单元控制两个提升缸，其中阀控制单元电动地控制先导油的流量与发动机的RPM成比例以允许或停止从两个升降缸操作单元中的任一个流动到两个提升缸的工作流体设置在两个导向件o中的任一个中两个提升缸操作单元之间的线和提升杆的遥控阀。

4. 发明授权

US11691537B2 Electric forklift and method of driving the same 有权
公开(公告)号：US11691537B2
公开(公告)日：2023-07-04
申请号：US16234853
申请日：2018-12-28
申请人： DOOSAN CORPORATION
发明人： Jin Yong Lee
IPC分类号： B60L58/25 , B66F9/075 , B60Q5/00 , B66F9/24 , B60L50/60 , H01M10/48 , B60L1/00
CPC分类号： B60L58/25 , B60L1/003 , B60L50/60 , B60Q5/005 , B66F9/075 , B66F9/07572 , B66F9/24 , H01M10/486 , B60L2200/42 , B60L2240/545 , B60L2250/10 , H01M2220/20
摘要： The present disclosure relates to an electric forklift and a method of driving the same which are capable of increasing a lifespan of a battery, and the electric forklift includes: a traveling motor which operates a wheel; a working machine motor which operates a working machine; a control unit which controls the operations of the traveling motor and the working machine motor based on an output control signal inputted from the outside; a battery which supplies electric power to the traveling motor, the working machine motor, and the control unit; and a temperature detecting unit which detects a temperature of the battery, in which the control unit controls an operation of at least one of the traveling motor and the working machine motor based on a detected temperature from the temperature detecting unit.

5. 发明公开

US20240300793A1 LOAD FALL PREVENTING SYSTEM FOR FORKLIFT 审中-公开
公开(公告)号：US20240300793A1
公开(公告)日：2024-09-12
申请号：US18532301
申请日：2023-12-07
申请人： DOOSAN INDUSTRIAL VEHICLE CO., LTD.
发明人： Gwangwoo KIM
IPC分类号： B66F17/00 , B66F9/075 , B66F9/12
CPC分类号： B66F17/003 , B66F9/0755 , B66F9/12
摘要： Provided is a load fall preventing system for a forklift according to an exemplary embodiment of the present disclosure includes a load weight measuring unit 1 including a plurality of pressure sensors for measuring weight of a load loaded on a fork of a forklift, a risk determination unit 2 for determining a degree of risk of a loading situation of the load based on pressure information measured by the plurality of pressure sensors; and an operation unit 3 that performs an operation to prevent a fall of the load in accordance with the degree of risk of the loading situation determined by the risk determination unit.

6. 发明授权

US11693419B2 ISG control system for construction machine and ISG control method for construction machine 有权
公开(公告)号：US11693419B2
公开(公告)日：2023-07-04
申请号：US17218585
申请日：2021-03-31
申请人： DOOSAN CORPORATION
发明人： Hyunkyu Kang , Jinsan Song , Semin Park
IPC分类号： G05D1/02 , G06V20/56 , G01C21/34
CPC分类号： G05D1/0223 , G01C21/3469 , G05D1/0219 , G06V20/56 , G05D2201/0202
摘要： The present disclosure relates to an ISG control system and an ISG control method for a construction machine capable of controlling ISG even in a working state of a construction machine, the ISG control system including: a surrounding environment determinator configured to determine surrounding environment of the construction machine; and a vehicle controller configured to determine whether the construction machine is in a working state or a traveling state based on a determination result from the surrounding environment determinator, wherein the vehicle controller controls an engine based on a preset work ISG condition when it is determined that the construction machine is in the working state, and wherein the vehicle controller controls the engine based on a preset travel ISG condition when it is determined that the construction machine is in the traveling state.

7. 发明申请

US20130145751A1 ENERGY RECLAIMING SYSTEM FOR ELECTRIC FORKLIFT TRUCK 有权
标题翻译：电动叉车能源回收系统
公开(公告)号：US20130145751A1
公开(公告)日：2013-06-13
申请号：US13522174
申请日：2011-05-19
申请人： Dong Ho Han , Dal Sik Jang
发明人： Dong Ho Han , Dal Sik Jang
IPC分类号： B66F9/22
CPC分类号： B66F9/22 , B60L1/20 , B60L2200/42
摘要： The present disclosure relates to an energy reclaiming system for an electric forklift truck. The energy reclaiming system includes an electronic device operated by a motor when a working machine is raised and operated by a generator when the working machine is lowered, a hydraulic pump/motor connected to the electronic device and configured to perform two functions of a hydraulic pump and a hydraulic motor, a main control valve unit including a lift cylinder operating unit connected to the hydraulic pump/motor and configured to operate a lift cylinder and a secondary consumer operating unit connected to the hydraulic pump/motor and configured to operate a secondary consumer, and a control lever including a control valve configured to control the lift cylinder or the secondary consumer through the lift cylinder operating unit and the secondary consumer operating unit of the main control valve unit, respectively. The energy reclaiming system includes: a working fluid return line provided with a flow amount limiting valve configured to interrupt a flow of a return flow amount generated by the lift cylinder when the working machine (or fork carriage) is lowered; and an energy reclaiming unit installed in the working fluid return line and configured to, if a return flow amount generated when the working machine is lowered is smaller than a flow amount consumed by the secondary consumer, reclaim the return flow amount to an oil tank, and, if the return flow amount generated when the working machine is lowered is larger than the flow amount consumed by the secondary consumer, guide the return flow amount to the hydraulic pump/motor.
摘要翻译：本公开涉及一种用于电动叉车的能量回收系统。能量回收系统包括当工作机器下降时工作机器由发电机升起并操作时由电动机操作的电子设备，连接到电子设备的液压泵/电动机并且被配置为执行液压泵的两个功能液压马达，主控制阀单元，其包括连接到液压泵/马达的提升缸操作单元，其构造成操作提升缸和连接到液压泵/马达的二级客户操作单元，并且构造成操作二次客户以及控制杆，其包括控制阀，所述控制阀被配置为分别通过所述主控制阀单元的提升缸操作单元和次要用户操作单元来控制所述提升缸或所述次要使用者。能量回收系统包括：工作流体返回管线，其设置有流量限制阀，该流量限制阀构造成当工作机器（或叉车架）下降时中断由提升缸产生的回流量; 以及能量回收单元，其安装在所述工作流体返回管路中，并且被构造成如果在所述作业机械下降时产生的回流量小于所述二次用户消耗的流量，则回收到油箱的回流量，并且，如果在工作机械下降时产生的返回流量大于二次使用者消耗的流量，则将返回流量引导到液压泵/马达。

8. 外观设计

USD664323S1 Forklift 有权
公开(公告)号：USD664323S1
公开(公告)日：2012-07-24
申请号：US29393214
申请日：2011-06-01
申请人： Young Jin Lee , Eui Sik Kim
设计人： Young Jin Lee , Eui Sik Kim

9. 发明授权

EP3556720B1 APPARATUS FOR CONTROLLING IRRADIATED LIGHT ON FORKLIFT 有权转让
公开(公告)号：EP3556720B1
公开(公告)日：2022-05-04
申请号：EP17885827.0
申请日：2017-12-28
发明人： LEE, Jin Yong
IPC分类号： B66F9/075 , F21S41/00 , F21S41/30 , F21S41/67 , B60Q1/24 , H05B47/10 , B60Q1/076

10. 发明授权

EP1803680B1 Fork lift with battery storage space 有权转让
标题翻译：叉车与电池仓
公开(公告)号：EP1803680B1
公开(公告)日：2013-04-10
申请号：EP06026800.0
申请日：2006-12-22
申请人： Doosan Industrial Vehicle Co., Ltd.
发明人： Chung, Gyou Ryeon
IPC分类号： B66F9/075 , B60K1/04
CPC分类号： B66F9/07536 , B60K1/04 , B60K2001/0461 , B66F9/07554

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