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公开(公告)号：US10125833B2
公开(公告)日：2018-11-13
申请号：US14647406
申请日：2013-08-06
Applicant: KOREA RAILROAD RESEARCH INSTITUTE
Inventor： Dong Hoon Kang
Abstract: Provided is a high heat resistant brake disk for a railroad vehicle, which is manufactured using a nano material having high heat conductivity, such as a carbon nanotube (CNT) or graphene, to improve heat resistance of an overheated portion of the brake disk, and which can extend a life of the brake disk by suppressing performance deterioration due to a thermal shock. The high heat resistant brake disk includes a hub inserted into an axle of the railroad vehicle and an outer circumference coupled to a vehicle wheel to coaxially rotate with the vehicle wheel, wherein at least one pattern unit made from a high heat resistant nano material is formed on one surface of the brake disk.
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62.发明申请公开(公告)号：US20180291570A1
公开(公告)日：2018-10-11
申请号：US15570726
申请日：2015-10-26
Applicant: KOREA RAILROAD RESEARCH INSTITUTE
Inventor： Kyoung Chan Lee , In Ho Yeo , Sung Il Kim , Seung Yup Jang , Hyun-Min Kim , Ki Hyun Kim , Hyang Wook Ma , Young Hak Kwak , Yoon Bong Shin , In Gyu Kim , Young Jin Kim
CPC classification number: E01D21/06 , E01D6/00 , E01D19/125 , E01D21/065 , E01D2101/268
Abstract: The present invention relates to a method for launching/constructing a bridge using assembly of a precast bottom plate and a concrete-filled steel tube truss girder, wherein a CFT truss girder and a precast bottom plate are provisionally assembled, thereby forming a segment, and then a plurality of segments are successively launched, thereby constructing a bridge.
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公开(公告)号：US09789859B2
公开(公告)日：2017-10-17
申请号：US14895871
申请日：2014-11-19
Applicant: Korea Railroad Research Institute
Inventor： Jung Tai Kim , Jai Sung Hong , Kyeong Jun Ko , Moo Sun Kim
IPC: G05D1/00 , G05D3/00 , G06F7/00 , G06F17/00 , B60T8/17 , B61H13/00 , B60T13/66 , B60T17/22 , B60T7/12 , B60T13/74
CPC classification number: B60T8/1705 , B60T13/665 , B60T17/228 , B61H13/00
Abstract: Disclosed are a railway vehicle braking system and method. The railway vehicle braking system includes a braking command generating unit generating a braking command to stop a railway vehicle, a comparison unit determining whether the braking command has been changed, a delay unit delaying and outputting the braking command depending upon a determination result from the comparison unit, and a digital-to-analog converter converting the braking command, which has been delayed by the delay unit, into an analog signal and inputting the analog signal to an actuator.
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公开(公告)号：US20170057365A1
公开(公告)日：2017-03-02
申请号：US15051483
申请日：2016-02-23
Applicant: Korea Railroad Research Institute
Inventor： In Ho Cho , Shin Myung Jung , Yong Jang Kwon , Byung Song Lee
CPC classification number: B60L11/182 , B60L11/1827 , B60L11/1829 , B60L11/1833 , B60L2200/16 , B60L2240/622 , B64C39/024 , B64C2201/042 , B64C2201/066 , B64C2201/145 , B64F1/36 , G01S19/13 , G01S19/14 , H02J7/025 , H02J50/10 , H02J50/90
Abstract: A charging apparatus for unmanned aerial vehicles and a charging method thereof. The charging apparatus includes: a transmit coil provided to a charging station and generating a magnetic field; a reception coil generating induced electromotive force according to variation of magnetic flux of the transmit coil; a reception coil adjuster adjusting at least one of an inclination and an orientation of the reception coil; and a controller controlling at least one of the inclination and the orientation of the reception coil by controlling the reception coil adjuster according to magnitude of the induced electromotive force generated in the reception coil by the magnetic field generated in the transmit coil.
Abstract translation: 一种用于无人机的充电装置及其充电方法。 充电装置包括：发送线圈，其设置在充电站并产生磁场; 接收线圈，根据发射线圈的磁通量的变化产生感应电动势; 接收线圈调节器，其调整所述接收线圈的倾斜度和取向中的至少一个; 以及控制器，通过根据在发送线圈中产生的磁场，在接收线圈中产生的感应电动势的大小控制接收线圈调节器来控制接收线圈的倾斜度和取向中的至少一个。
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65.发明申请公开(公告)号：US20150110561A1
公开(公告)日：2015-04-23
申请号：US14516684
申请日：2014-10-17
Applicant: Korea Railroad Research Institute
Inventor： Dong Hyeon Kim
IPC: E21F1/00
Abstract: A structure for reducing a tunnel micro pressure wave is provided. The structure includes a hood structure formed in front of an entry of a railroad tunnel; and an air pipe section in which at least one air pipe is provided along the circumference of the hood structure, wherein the air pipe comprises a horizontal introduction section formed to be extended from an internal side of the hood structure toward a longitudinal direction of the hood structure, an outlet section formed on an external side of the hood structure, and an intermediate section connecting the horizontal introduction section and the outlet section through each other.
Abstract translation: 提供了一种用于减小隧道微压力波的结构。 该结构包括形成在铁路隧道入口前面的罩结构; 以及空气管部，其中沿着所述罩结构的圆周设置有至少一个空气管，其中所述空气管包括水平导入部，所述水平导入部形成为从所述罩结构的内侧朝向所述罩的纵向延伸 结构，形成在发动机罩结构的外侧的出口部以及将水平引入部和出口部彼此连接的中间部。
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Patent Agency Ranking
公开(公告)号：US20150102652A1
公开(公告)日：2015-04-16
申请号：US14497561
申请日：2014-09-26
Applicant: Korea Railroad Research Institute
Inventor： Dong Hyeon Kim
Abstract: A cartridge for tunnel blasting is provided a cartridge for tunnel blasting, which easily breaks a rock, by inserting a cartridge containing water into a bore hole formed in a rock by using a boring device, and injecting liquid nitrogen into the inserted cartridge, so as to induce cracks of the rock by using the characteristic of the water that expands when it is frozen.
Abstract translation: 用于隧道爆破的筒用于隧道爆破，通过使用钻孔装置将含有水的孔插入形成在岩石中的钻孔中并将氮气注入到插入的盒中，从而容易地破碎岩石，从而 通过使用冷冻时膨胀的水的特征来引起岩石裂缝。
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公开(公告)号：US12233830B2
公开(公告)日：2025-02-25
申请号：US17935748
申请日：2022-09-27
Applicant: KOREA RAILROAD RESEARCH INSTITUTE
Inventor： Yeon Su Kim , Sung Hyuk Park
Abstract: A brake caliper diagnostic device for railway vehicles according to an embodiment of the present disclosure includes an internal pressure sensor located between a brake hose for delivering brake oil or compressed air to the brake caliper and an inlet of the brake caliper, internal temperature sensors respectively installed in the air breathers respectively located above and below the brake caliper, an assembly plate temperature sensor located adjacent to a brake pad assembly, a piston temperature sensor located on a surface of a brake caliper body adjacent to a piston, and a brake caliper monitoring device configured to determine whether or not the brake caliper is abnormal, based on data received from the internal pressure sensor, the internal temperature sensors, the assembly plate temperature sensor, and the piston temperature sensor.
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公开(公告)号：US12123962B2
公开(公告)日：2024-10-22
申请号：US17505077
申请日：2021-10-19
Applicant: Korea Railroad Research Institute
Inventor： Seung Min Yu
IPC: G01S5/00 , H04B17/318 , H04W24/10 , H04W64/00
CPC classification number: G01S5/0063 , H04B17/318 , H04W24/10 , H04W64/00
Abstract: A positioning method and apparatus for positioning a terminal by using various data combinations are disclosed. The present disclosure in at least one embodiment provides a positioning terminal by using data combinations, including a data collection unit for collecting n access point (AP) scan data items from each of n APs (n is a natural number), a combination generation unit for generating a plurality of data combinations by combining the n AP scan data items in units of k (k is integers from 3 up to n), a position estimation unit for estimating a plurality of preliminary positions of the terminal from the plurality of data combinations, a clustering unit configured to cluster the plurality of preliminary positions into at least one cluster according to distances or densities of the plurality of preliminary positions, and a position determination unit for determining a final position of the terminal based on at least one cluster.
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公开(公告)号：US20240267337A1
公开(公告)日：2024-08-08
申请号：US18640792
申请日：2024-04-19
Applicant: Korea Railroad Research Institute
Inventor： Il Mu BYUN , Kyeong Jun KO , Woo Jin AHN , Young Ju KIM , Sung Soo PARK
Abstract: A method for transmitting data between a first communication device including a first terminal and a first virtual time sensitive networks (TSN) bridge and a second communication device including a second terminal and a second virtual TSN bridge, without interruption of a stream configured by using a time sensitive network even when a communication device moves, according to the present technology, comprises the steps of: the first terminal transmitting a virtual TSN bridge connection request to the first virtual TSN bridge; the first virtual TSN bridge transmitting a virtual TSN port information request to the second virtual TSN bridge according to the virtual TSN bridge connection request; the second virtual TSN bridge transmitting, to the first virtual TSN bridge, information related to a virtual TSN port included in the second virtual TSN bridge; and the first virtual TSN bridge determining, on the basis of the information related to the virtual TSN port, a plurality of virtual TSN ports to be used for communication with the second virtual TSN bridge in the first virtual TSN bridge.
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公开(公告)号：US20230166709A1
公开(公告)日：2023-06-01
申请号：US17935748
申请日：2022-09-27
Applicant: KOREA RAILROAD RESEARCH INSTITUTE
Inventor： Yeon Su KIM , Sung Hyuk PARK
CPC classification number: B60T17/228 , F16D66/00 , B60T8/885 , F16D2066/005 , F16D2066/001 , B60T2270/406 , B60T2250/04
Abstract: A brake caliper diagnostic device for railway vehicles according to an embodiment of the present disclosure includes an internal pressure sensor located between a brake hose for delivering brake oil or compressed air to the brake caliper and an inlet of the brake caliper, internal temperature sensors respectively installed in the air breathers respectively located above and below the brake caliper, an assembly plate temperature sensor located adjacent to a brake pad assembly, a piston temperature sensor located on a surface of a brake caliper body adjacent to a piston, and a brake caliper monitoring device configured to determine whether or not the brake caliper is abnormal, based on data received from the internal pressure sensor, the internal temperature sensors, the assembly plate temperature sensor, and the piston temperature sensor.
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