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    RAIL TIE HAVING EMBEDDED AUTOMATIC DIFFERENTIAL SETTLEMENT COMPENSATION APPARATUS USING OIL PRESSURE FOR RAILROAD TRACKS
    12.
    发明申请
    RAIL TIE HAVING EMBEDDED AUTOMATIC DIFFERENTIAL SETTLEMENT COMPENSATION APPARATUS USING OIL PRESSURE FOR RAILROAD TRACKS 审中-公开
    具有嵌入式自动差动平衡补偿装置的轨道轨道用油压

    公开(公告)号：US20170009405A1

    公开(公告)日：2017-01-12

    申请号：US15120524

    申请日：2014-12-04

    Applicant: KOREA RAILROAD RESEARCH INSTITUTE

    Inventor： Seong-Hyeok LEE ,  Jin-Wook LEE

    IPC: E01B29/04 ,  E01B3/30

    CPC classification number: E01B29/04 ,  E01B1/001 ,  E01B3/30 ,  E01B2202/027

    Abstract: By supporting a space generated by a settlement of the track bed gravel or asphalt roadbed underneath a concrete rail tie with cylindrical rods, and installing the present invention, one each separately, on the left and right sides of the concrete rail tie, recovery from settlements is automatic, and the response to differential settlements of the left and right rails of the track due to the train load can be easily facilitated, and by installing pressure reducing valves on the upper part of the concrete rail ties, pressure can be reduced while maintaining the track system as is without having to dismantle the concrete rail ties, and accordingly the usability of the concrete rail ties can be improved.

    Abstract translation: 通过支撑由具有圆柱形杆的混凝土轨道架下方的轨道床砾石或沥青路基的沉降产生的空间，并且在混凝土轨道的左侧和右侧分别安装本发明，从定居点回收 是自动的，并且由于列车负载而对轨道的左右轨道的差动定位的响应可以容易地被简化，并且通过在混凝土轨道的上部安装减压阀，可以减小压力，同时保持 轨道系统不需要拆除混凝土轨道，从而可以提高混凝土轨道的可用性。

    RAILWAY VEHICLE BRAKING SYSTEM AND METHOD
    13.
    发明申请
    RAILWAY VEHICLE BRAKING SYSTEM AND METHOD 有权
    铁路车辆制动系统及方法

    公开(公告)号：US20160221551A1

    公开(公告)日：2016-08-04

    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: B60T8/17 ,  B61H13/00

    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.

    Abstract translation: 公开了一种铁路车辆制动系统和方法。 铁路车辆制动系统包括制动指令发生单元，其产生停止铁路车辆的制动指令，比较单元确定制动指令是否已改变，延迟单元延迟并根据比较的确定结果输出制动指令 将由延迟单元延迟的制动指令转换为模拟信号并将模拟信号输入到致动器的数/模转换器。

    Cartridge for tunnel blasting
    14.
    发明授权
    Cartridge for tunnel blasting 有权
    用于隧道爆破的墨盒

    公开(公告)号：US09382796B2

    公开(公告)日：2016-07-05

    申请号：US14497561

    申请日：2014-09-26

    Applicant: Korea Railroad Research Institute

    Inventor： Dong Hyeon Kim

    IPC: E21C37/00 ,  E21C37/06 ,  E21C37/08

    CPC classification number: E21C37/06 ,  E21C37/08

    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。

    HIGHLY HEAT-RESISTANT BRAKE DISC FOR RAILCAR
    16.
    发明申请
    HIGHLY HEAT-RESISTANT BRAKE DISC FOR RAILCAR 审中-公开
    高耐热制动盘

    公开(公告)号：US20150330464A1

    公开(公告)日：2015-11-19

    申请号：US14647406

    申请日：2013-08-06

    Applicant: KOREA RAILROAD RESEARCH INSTITUTE

    Inventor： Dong Hoon Kang

    IPC: F16D65/12

    CPC classification number: F16D65/128 ,  B61H5/00 ,  F16D65/124 ,  F16D65/127 ,  F16D2065/132 ,  F16D2200/0039 ,  F16D2200/0052

    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.

    Abstract translation: 本发明提供一种使用碳纳米管（CNT）或石墨烯等导热性高的纳米材料制造的铁路用车辆的高耐热制动盘，以提高制动盘的过热部分的耐热性， 这可以通过抑制由于热冲击而引起的性能劣化而延长制动盘的寿命。 高耐热制动盘包括插入铁路车辆的轴的轮毂和联接到车轮的外圆周以与车轮同轴旋转，其中形成由高耐热纳米材料制成的至少一个图案单元 在制动盘的一个表面上。

    ORIENTATION CONTROL DEVICE FOR MAGNETIC FLUID AND METHOD FOR SAME
    17.
    发明申请
    ORIENTATION CONTROL DEVICE FOR MAGNETIC FLUID AND METHOD FOR SAME 有权
    磁流体方向控制装置及其方法

    公开(公告)号：US20150303786A1

    公开(公告)日：2015-10-22

    申请号：US14426719

    申请日：2013-04-13

    Applicant: KOREA RAILROAD RESEARCH INSTITUTE

    Inventor： Woo Tae JEONG ,  Duck Shin PARK ,  Soon Bark KWON

    IPC: H02K44/00 ,  F01D1/00 ,  H02K7/18

    CPC classification number: H02K44/00 ,  F01D1/00 ,  H02K7/18

    Abstract: Provided is an orientation control device for a magnetic fluid, includes: a magnetic fluid having magnetic nanoparticles; an induction power generation unit configured to include a silicone tube through which the magnetic fluid passes and a solenoid coil which is wound around a predetermined section outside the silicone tube to generate induced power when the magnetic fluid passes through an inner side of the silicone tube; and a magnetic pole direction control unit configured to include a silicone tube at an entrance portion of the induction power generation unit and a solenoid coil wound around a predetermined section outside the silicone tube and generating a flux when a current flows therein so as to control pole orientation of the magnetic fluid.

    Abstract translation: 提供一种用于磁性流体的取向控制装置，包括：具有磁性纳米颗粒的磁性流体; 感应发电单元，被配置为包括磁性流体通过的硅氧烷管和绕着硅氧烷管外部的预定部分缠绕的电磁线圈，以在磁性流体通过硅氧烷管的内侧时产生感应电力; 以及磁极方向控制单元，其被配置为在所述感应发电单元的入口部分包括硅酮管，以及在所述硅氧烷管外部围绕预定部分缠绕的电磁线圈，并且当电流流过所述电磁线圈时产生磁通，以便控制极 磁性液体的取向。

    DROPLET-BLOCKING AIR CONDITIONING SYSTEM INSIDE TRAIN COMPARTMENT
    18.
    发明公开
    DROPLET-BLOCKING AIR CONDITIONING SYSTEM INSIDE TRAIN COMPARTMENT 审中-公开

    公开(公告)号：US20240326880A1

    公开(公告)日：2024-10-03

    申请号：US18683008

    申请日：2022-04-08

    Applicant: KOREA RAILROAD RESEARCH INSTITUTE

    Inventor： Sung-ho YUN ,  Yong-jun JANG ,  Jae-chul KIM

    IPC: B61D27/00 ,  B60H1/34 ,  B60H3/06

    CPC classification number: B61D27/0018 ,  B60H1/345 ,  B60H3/0608

    Abstract: A droplet-blocking air conditioning system inside a train compartment according to an exemplary embodiment may include an air conditioning system unit for regulating the temperature and humidity of the air inside the train compartment; an air supply regulation unit which uses downdraft air to supply the compartment with the air that has had the temperature and humidity regulated by the air conditioning system unit, thereby causing the droplets remaining in the compartment to flow below the compartment due to the downdraft air; mechanical and electronic motors which control a degree of rotation of the air adjustment member according to the degree of rotation of a rotary shaft inside the air supply regulation unit; and an air discharge unit for discharging the droplets and the downdraft air to the outside of the compartment.

    TIMING MEASUREMENT DATA-BASED POSITIONING METHOD AND DEVICE HAVING MINIMIZED NUMBER OF SCANS
    19.
    发明公开
    TIMING MEASUREMENT DATA-BASED POSITIONING METHOD AND DEVICE HAVING MINIMIZED NUMBER OF SCANS 审中-公开

    公开(公告)号：US20240276443A1

    公开(公告)日：2024-08-15

    申请号：US18042031

    申请日：2021-06-02

    Applicant: KOREA RAILROAD RESEARCH INSTITUTE

    Inventor： Seung Min YU ,  Jun LEE ,  So Young YOU ,  Sang Pil KO ,  Eun Bi JEONG

    IPC: H04W64/00 ,  H04B17/318 ,  H04W48/20

    CPC classification number: H04W64/006 ,  H04B17/328 ,  H04W48/20

    Abstract: A method and an apparatus for timing measurement based positioning to minimize the number of scans is provided. The positioning method for a terminal includes estimating a temporary location of the terminal; analyzing characteristics of obstacles between the temporary location of the terminal and peripheral access points (APs) based on a pre-stored map on which the peripheral APs and the obstacles are indicated; calculating distances between the temporary location of the terminal and the peripheral APs based on the map; selecting at least three peripheral APs from among the peripheral APs according to at least one of the distances or the obstacle characteristics; generating timing measurement data with the at least three peripheral APs using identification information of the at least three peripheral APs; and estimating a current location of the terminal using the timing measurement data.

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