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公开(公告)号：US11739675B2
公开(公告)日：2023-08-29
申请号：US17671730
申请日：2022-02-15
发明人： Dongyoung Jin , Inhyuk Im , Jiseok Kim , Rin Hyun , Taejoong Wang
CPC分类号： F01N3/208 , B01D53/944 , B01D53/9418 , B01D53/9436 , B01D53/9495 , B01J19/0013 , B01J19/0033 , B01J19/245 , F01N3/035 , F01N3/106 , F01N13/0093 , F02D41/0245 , B01J2219/00162 , B01J2219/00182 , F01N2610/1406 , F01N2610/1433 , F01N2610/1453 , F01N2900/1402 , F01N2900/1404
摘要： An exhaust gas after-treatment system includes a first reactor installed in an exhaust flow path, a second reactor disposed at a downstream side from the first reactor, a first reducing agent injection unit and a second reducing agent injection unit configured to respectively inject a reducing agent toward the exhaust gas to be introduced into the first reactor and the second reactor, a first temperature sensor and a second temperature sensor configured to respectively measure a temperature of the exhaust gas to be introduced into the first reactor and the second reactor, and a control device configured to control whether to inject the reducing agent from the first and second reducing agent injection units and the amount of reducing agent to be injected on the basis of temperature information provided by the first and second temperature sensors.
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公开(公告)号：US20230161310A1
公开(公告)日：2023-05-25
申请号：US17993386
申请日：2022-11-23
发明人： Keon KIM , Wonjong LIM , Doyoun KIM , Daeho KIM
IPC分类号： G05B19/042
CPC分类号： G05B19/042 , G05B2219/37228
摘要： Disclosed is a system for status diagnosis of construction machinery. The system for status diagnosis of the construction machinery to determine the abnormality of the construction machinery may include a sensor unit including at least one or more oil property sensors for detecting oil property information and at least one or more equipment sensors for detecting operating status information, a control unit configured to determine a basic status of the construction machinery through the oil property information and determine an overall status of the construction machinery by reflecting the operating status information of the construction machinery based on the basic status of the construction machinery, and a display unit configured to display a notification according to the determination of the control unit.
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公开(公告)号：US20220259995A1
公开(公告)日：2022-08-18
申请号：US17671730
申请日：2022-02-15
发明人： Dongyoung JIN , Inhyuk IM , Jiseok KIM , Rin HYUN , Taejoong WANG
摘要： An exhaust gas after-treatment system includes a first reactor installed in an exhaust flow path, a second reactor disposed at a downstream side from the first reactor, a first reducing agent injection unit and a second reducing agent injection unit configured to respectively inject a reducing agent toward the exhaust gas to be introduced into the first reactor and the second reactor, a first temperature sensor and a second temperature sensor configured to respectively measure a temperature of the exhaust gas to be introduced into the first reactor and the second reactor, and a control device configured to control whether to inject the reducing agent from the first and second reducing agent injection units and the amount of reducing agent to be injected on the basis of temperature information provided by the first and second temperature sensors.
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公开(公告)号：US20230287650A1
公开(公告)日：2023-09-14
申请号：US18017728
申请日：2021-07-22
发明人： Byungil KANG
CPC分类号： E02F3/435 , E02F9/2203 , E02F9/2217 , E02F9/2296 , E02F9/2267 , E02F9/2275 , F15B1/04 , F15B13/04
摘要： An embodiment of the present disclosure provides a construction machine, which includes a boom, the construction machine including a boom cylinder configured to move the boom upward or downward and includes a head side and a rod side, a boom regeneration valve configured to control a flow rate of a working fluid discharged from a head side of the boom cylinder, an operating device configured to generate an operating signal for operating the boom, an accumulator configured to store the working fluid discharged from the boom cylinder, a regeneration motor configured to produce renewable energy by performing a regenerative operation by using the working fluid discharged from the boom cylinder or the working fluid discharged from the accumulator, and a control device configured to correct an opening area of the boom regeneration valve on the basis of pressure of the accumulator when the boom descends.
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公开(公告)号：US20230094085A1
公开(公告)日：2023-03-30
申请号：US17797889
申请日：2021-02-02
发明人： Jihoon KIM , Wooseok SEO , Wookyoung CHOI , Hongcheol YUN
摘要： The present disclosure relates to a user authentication method for construction equipment, capable of preventing theft of construction equipment. The user authentication method for construction equipment according to an embodiment of the present invention includes: a user authentication method for construction equipment includes: a user information registration step for registering a user identification information provided from a user device; a digital key issuance step for, upon request for use of the construction equipment from the user device, generating a digital key corresponding to the construction equipment and transmitting the generated digital key to the user device; and an equipment authentication step for allowing the use of the construction equipment when the user device having receive the digital key completes authentication of the identification information through the digital key.
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公开(公告)号：US20230082533A1
公开(公告)日：2023-03-16
申请号：US17799671
申请日：2021-02-10
发明人： Jihoon KIM , Hongjin KIM , Wooseok SEO
IPC分类号： B60W40/076 , B60R25/01 , B60R25/10 , B60R25/24 , B60R25/34 , E02F9/20 , E05B81/02 , E05B81/54 , E05B83/42
摘要： A control system for a construction machine includes a tilt sensor for detecting an inclination angle of the construction machine parked on a slope, a door latch device including a lock/unlock actuator configured to lock/unlock a door of the construction machine according to a door lock control signal and a door unlock control signal and a release actuator configured to release the door according to a door release control signal, and a smart key module configured to output the door unlock control signal and the door release control signal when the inclination angle of the construction machine is within a preset safe range in case that an unlocking event signal is detected while a smart key is recognized.
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公开(公告)号：US20220355678A1
公开(公告)日：2022-11-10
申请号：US17641332
申请日：2020-09-10
发明人： Hyunjae SEO
摘要： The present disclosure relates to a power supply device for an electric excavator, the power supply device including a power supply unit configured to supply power of a battery to an electric motor unit, a first charging port connected to the power supply unit and configured to supply first external power to the battery, an on-board charger (OBC) connected to the power supply unit and configured to convert alternating current into direct current when alternating current power is inputted, and a second charging port connected to the OBC and configured to supply second external power to the OBC, in which the power supply unit supplies charging power of the OBC or supplies the charging power of the OBC and power of the battery power to the electric motor unit on the basis of the amount of required power of the electric motor unit and the amount of charging power of the OBC.
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公开(公告)号：US20220329639A1
公开(公告)日：2022-10-13
申请号：US17715405
申请日：2022-04-07
发明人： Heongsik Um , Junhyun Jang , Gijung Yun
IPC分类号： H04L65/401 , H04L65/403 , G06Q10/06 , H04L65/1089 , H04L65/1093
摘要： A call sharing system for a construction work includes an administrator terminal configured to display a working drawing of a construction site on an administrator screen and to transmit a work request signal including a work area designated on the working drawing, a plurality of worker terminals configured to display the working drawing on each worker screen, each worker terminal being configured to receive the work request signal and to transmit a response signal in response to the work request signal, and a server configured to transmit and receive data between the administrator terminal and the worker terminals and to select the worker terminals for receiving the work request signal according to a work detail.
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公开(公告)号：US20220316531A1
公开(公告)日：2022-10-06
申请号：US17713343
申请日：2022-04-05
发明人： Jaehyuk KIM
摘要： An embodiment of the present disclosure relates to a connection plate, which is disposed between a drive unit configured to provide power to a traveling body for a dozer and a sprocket configured to rotate by receiving power of the drive unit, the connection plate including a body having a through-hole in which one region of the drive unit is penetratively disposed, a first support portion formed at one side of the body and configured to support the sprocket, and a second support portion formed at the other side of the body and configured to support the drive unit.
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公开(公告)号：US20220252084A1
公开(公告)日：2022-08-11
申请号：US17628096
申请日：2020-07-06
发明人： Byungil KANG
摘要： A construction machine including a boom; an engine; a main pump discharging a working fluid; a working fluid tank storing the working fluid; a boom cylinder raising or lowering the boom and comprising a head side and a rod side; a regeneration line connected to the head side of the boom cylinder and moving the working fluid discharged from the head side of the boom cylinder; a regeneration motor operated by the working fluid moved through the regeneration line and assisting the engine; an accumulator connected to the regeneration line accumulating the working fluid discharged from the boom cylinder; a boom regeneration valve opening or closing the regeneration line; a main control valve controlling a supply of the working fluid, to the boom cylinder and discharge a part of the working fluid, which is discharged from the head side of the boom cylinder, to the working fluid tank.
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