公开(公告)号：US20240369442A1

公开(公告)日：2024-11-07

申请号：US18291390

申请日：2021-11-02

Applicant: KOREA RAILROAD RESEARCH INSTITUTE (KRRI)

Inventor： Woo Tae JEONG

IPC: G01M5/00 ,  B61K9/02

Abstract: A rail management device includes a measurement unit configured to measure upper and lateral profiles of the head portion, and a securing unit fixed to the rail and configured to support and fix the measurement unit, in which the securing unit includes a body connected to the measurement unit, an elastic clamp provided at a lower side of the body and provided to be in close contact with an upper surface of the head portion, an invariable clamp provided at one side of the body and provided to be in close contact with one side lower surface of the head portion, and a variable clamp provided at the other side of the body and provided to be in close contact with the other side lower surface of the head portion.

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。