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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：US20230128144A1
公开(公告)日：2023-04-27
申请号：US17907865
申请日：2021-03-12
发明人： Jeong Kwon JANG , Min Ho GANG
IPC分类号： E02F9/22
摘要： Disclosed is a construction machine including: an engine generating power; a pump generating hydraulic pressure by receiving power generated from the engine; a main control valve receiving signal oil from the pump; a key switch capable of turning on and off power of an electronic unit; an engine control unit that maintains operation of the engine for a predetermined time and then stops operation of the engine when the key switch is switched from an on-state, during which power of the electronic unit may be turned on, to an off-state; and a pilot cut-off valve for opening and closing the signal oil according to the state of the key switch, and an accident caused by the engine control unit may be prevented by the construction machine.
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公开(公告)号：US20220406011A1
公开(公告)日：2022-12-22
申请号：US17637567
申请日：2020-06-02
发明人： Seungsoo LEE , Minsung KANG , Gijung YUN , Seungman YANG , Wooyong JUNG
摘要： The disclosure relates to a soil distribution planning system. The soil distribution planning system according to an embodiment includes a grid-model generation module configured to receive information about three-dimensional (3D) topography, ground and a target model and generate a 3D grid model by dividing a target area; an earthwork-volume calculation module configured to calculate an earthwork volume of each grid model generated by the grid-model generation module and store the calculated earthwork volume in a database; and an earthwork-volume distribution module configured to distribute the earthwork volume of a cutting area to a banking area based on the earthwork volume stored in the database.
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公开(公告)号：US11525242B2
公开(公告)日：2022-12-13
申请号：US17174908
申请日：2021-02-12
发明人： Wooyong Jung , Wonsun Sohn , Jaiseok Bang
摘要： In a control method for construction machinery, an operation performed by the construction machinery is divided into a plurality of subordinate works. A current subordinate work currently performed by the construction machinery is determined. A maximum absorbing torque of a hydraulic pump is adjusted according to the determined subordinate work. An engine speed change map is adjusted according to the determined subordinate work.
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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：US20220154430A1
公开(公告)日：2022-05-19
申请号：US17438757
申请日：2020-03-04
发明人： Kwangil KIM , Jiyoung CHANG
摘要： In a method of monitoring track tension in construction machinery, data on predetermined major factors for monitoring track tension are received. A machine learning algorithm is performed based on the data to determine a track tension state. Information on the track tension state is displayed.
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公开(公告)号：US20220029853A1
公开(公告)日：2022-01-27
申请号：US17386181
申请日：2021-07-27
发明人： Seongho SONG , Wookhyun YU , Hansol KIM , Yoonhye KIM , Seokhwa JEONG
IPC分类号： H04L12/40
摘要： The present disclosure relates to a data frame structure of a Controller Area Network (CAN) communication message for construction machinery, which is capable of generating a large number of setting items, and a method of transmitting a CAN communication message for construction machinery, and the data frame structure includes: an identifier including a parameter group number PGN having a destination address; and a data field including a suspect parameter number SPN related to the parameter group number PGN and parameter data related to the suspect parameter number SPN.
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公开(公告)号：US20220025812A1
公开(公告)日：2022-01-27
申请号：US17413072
申请日：2019-12-09
发明人： Youngdeok HAN , Dockoon YOO , Junjung PARK , Jongyoon LEE , Jayun CHO , Euna KANG
摘要： A turbo-compounding system according to an exemplary embodiment of the present invention includes: a turbocharger including a turbine which is rotated by using pressure of exhaust gas discharged from the engine and a compressor which is rotated by using rotation power of the turbine and compresses new external air and supplies the compressed air to the engine; a motor-generator configured to be rotated by using rotation power of the compressor of the turbocharger to generate power or add rotation power to the compressor of the turbocharger; and a control device configured to operate the motor-generator as a motor or a generator according to a current rotation speed of the engine and may collect power wasted from the engine.
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公开(公告)号：US20210362737A1
公开(公告)日：2021-11-25
申请号：US17324292
申请日：2021-05-19
发明人： Kwangseok PARK , Jinhyuk OH , Sookyung HEO
摘要： An exemplary embodiment of the present disclosure relates to an apparatus providing drive guide information of a construction equipment includes: an information acquisition unit acquiring information generated according to a motion of the construction equipment; a storage unit storing an item defined for calculating a score for worker driving of the construction equipment and an equation for calculating the score for the item, and storing a guide phrase for each item and information on equipment setting change for each item; a control unit calculating the score for each item according to the information provided, and selecting an item which needs to be improved based on the calculated score for each item; and a display unit displaying a guide phrase matching an item selected according to an instruction of the control unit and information on equipment setting change matching the selected item at a predetermined time.
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