公开(公告)号：US20160025592A1

公开(公告)日：2016-01-28

申请号：US14506121

申请日：2014-10-03

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yong Bok LEE ,  Bokseong CHOE ,  Jeon Kook LEE ,  Sol-Ji RYU ,  Byoungkuk LEE

IPC: G01M13/04 ,  G01N29/04 ,  G01L5/00

CPC classification number: G01M13/04 ,  G01L5/0009 ,  G01M13/045 ,  G01N29/045 ,  G01N29/14 ,  G01N29/46 ,  G01N2291/2696

Abstract: A bearing test apparatus has a bearing cap coupled to an outer ring of a bearing to be tested (a “test bearing”), a driving rotary shaft coupled to an inner ring of the test bearing to rotate the inner ring, and a bearing torque meter for measuring a single torque of the test bearing, wherein an extension bar is formed at the bearing cap to protrude thereon, wherein the bearing torque meter includes a measurement rod configured to contact the extension bar and be fixed to support the extension bar in a direction opposite to a rotating direction of the driving rotary shaft, and a power sensor for measuring a force applied to the measurement rod, wherein the single torque of the test bearing is calculated based on a distance from the driving rotary shaft to the measurement rod and a force applied to the measurement rod.

Abstract translation: 轴承测试装置具有联接到待测试轴承（“测试轴承”）的外圈的轴承盖，联接到测试轴承的内圈以使内圈旋转的驱动旋转轴以及轴承扭矩 用于测量所述测试轴承的单个扭矩的测量轴，其中在所述轴承盖处形成有延伸杆以突出在其上，其中所述轴承扭矩计包括配置成接触所述延伸杆并被固定以将所述延伸杆支撑在 与驱动旋转轴的旋转方向相反的方向，以及用于测量施加到测量棒的力的功率传感器，其中，基于从驱动旋转轴到测量棒的距离来计算测试轴承的单个扭矩， 施加在测量棒上的力。

公开(公告)号：US20170292610A1

公开(公告)日：2017-10-12

申请号：US15374015

申请日：2016-12-09

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yong Bok LEE ,  Eo Jin KIM ,  Jeon Kook LEE

IPC: F16J15/3288 ,  F16C33/76 ,  F16J15/3296

CPC classification number: F16J15/3288 ,  F16C33/7886 ,  F16C2202/36 ,  F16C2233/00 ,  F16C2360/23 ,  F16J15/00 ,  F16J15/3296

Abstract: An oil sealing device for preventing a leakage of an oil of a bearing which supports a rotary shaft of a rotating machine has a brush member having a plurality of bristles in contact with the rotary shaft, and an actuator configured to move the brush member in a length direction of the rotary shaft, wherein a sloped surface having different heights along a length direction of the rotary shaft is formed at the rotary shaft, and wherein when the bristles are worn, the actuator moves the brush member in a length direction of the rotary shaft so that the bristles comes into contact with the sloped surface.

公开(公告)号：US20230048331A1

公开(公告)日：2023-02-16

申请号：US17861714

申请日：2022-07-11

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yong Bok LEE ,  Wonil KWAK ,  Yunseok HA ,  Yeong-do LEE ,  Jeon Kook LEE

IPC: G01M13/045

Abstract: The present disclosure provides an Anderon meter for cryogenic environment including a housing; a control arm installed on an inner circumference of the housing rotatably relative to the housing, and including a pressing portion; and a clamp including a contact portion on a side and an assembly portion on an opposite side, wherein the contact portion is in contact with the pressing portion so that the contact portion is pressed by the pressing portion, and the assembly portion is coupled to an inner circumference of the bearing by interference fit, wherein the pressing portion presses the contact portion by the control of an amount of relative rotation of the control arm and the assembly portion is coupled to the inner circumference of the bearing by interference fit to determine friction characteristics between the inner race of the bearing and the assembly portion.

公开(公告)号：US20180136081A1

公开(公告)日：2018-05-17

申请号：US15399073

申请日：2017-01-05

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yong Bok LEE ,  Bok Seong CHOE ,  Wonil KWAK ,  Jeon Kook LEE ,  Ou Seok SEO

IPC: G01M13/04 ,  G01L5/00 ,  G01D5/34 ,  G01D5/26

CPC classification number: G01M13/04 ,  F16C19/04 ,  F16C2300/52 ,  G01D5/28

Abstract: A bearing test apparatus for testing a bearing (hereinafter, referred to as a “test bearing”) has a chamber, a bearing cap disposed in the chamber and coupled to an outer wheel of the test bearing, a driving shaft connected to an inner wheel of the test bearing to rotate the inner wheel, an extension arm extending in a radial direction of the bearing cap from the bearing cap to expose one end thereof out of the chamber, and a measurement arm configured to make a contact with one end of the extension arm and configured to be rotatable by the extension arm, wherein an exclusive torque of the test bearing is obtained by measuring a force applied to the measurement arm by the extension arm when a rotation force is applied to the bearing cap by the outer wheel.

公开(公告)号：US20180116592A1

公开(公告)日：2018-05-03

申请号：US15429196

申请日：2017-02-10

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jung Ah LIM ,  SOO JIN KIM ,  Jeon Kook LEE ,  Do Kyung Hwang

IPC: A61B5/00 ,  H01L29/786 ,  H01L51/05 ,  A61B5/0492 ,  G01N27/414

CPC classification number: A61B5/6804 ,  A61B5/0408 ,  A61B5/0492 ,  A61B2560/0468 ,  A61B2562/0209 ,  A61B2562/125 ,  D02G3/441 ,  H01L29/7869 ,  H01L51/0512 ,  H01L51/052 ,  H01L51/055

Abstract: The present invention relates to a fibrous transistor, and a method of manufacturing the same, and more particularly, to a fibrous transistor, in which a source fiber and a drain fiber are formed in a twisted state in a longitudinal direction, so that a contact surface of the source fiber and the drain fiber is increased, thereby enabling charges to easily move, and a method of manufacturing the same. Further, the present invention relates to a fibrous transistor, in which a gate insulating layer is formed by using ion gel, so that the fibrous transistor may obtain a high current at the same operation voltage, thereby having a low operation voltage, and a method of manufacturing the same.