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公开(公告)号:US20240159649A1
公开(公告)日:2024-05-16
申请号:US18503568
申请日:2023-11-07
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Yong Bok LEE , Wonil KWAK , YunSeok HA , Byul AN
CPC classification number: G01N15/1463 , G01N15/1459 , G06T7/248 , G06T7/285 , G06T7/292 , G06T7/62 , G06V20/60 , G01N2015/1075 , G01N2015/1477 , G01N2015/1493
Abstract: Provided is a fluid monitoring method including photographing a particle in a flowing fluid using a first camera, photographing the particle using a second camera spaced apart from the first camera, and analyzing the particle using images captured by each of the first camera and the second camera, in which the analyzing of the particle includes calculating a volume of the particle, calculating a velocity of the particle moving in the fluid, calculating a density of the particle using the volume and the velocity, and identifying a type of the particle using the density.
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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
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。
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公开(公告)号:US20150008771A1
公开(公告)日:2015-01-08
申请号:US14104006
申请日:2013-12-12
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Yong Bok LEE , Chang Ho KIM , Bok Seong CHOE
IPC: H02K9/06
CPC classification number: H02K9/06
Abstract: A motor has a stator and a rotor rotating at the center of the stator, and the rotor includes a concave groove formed with a predetermined depth along the circumference of the rotor, and a plurality of blades formed at the concave groove to protrude therein and having a height not greater than the depth of the concave groove, wherein a flow channel is formed between the stator and the rotor along the length direction of the rotor so that air flows therein, and wherein when the rotor rotates, the plurality of blades guides an air flow to the flow channel so that the rotor is cooled.
Abstract translation: 电动机具有在定子的中心旋转的定子和转子,转子包括沿着转子的圆周形成有预定深度的凹槽,以及形成在凹槽处突出的多个叶片,并且具有 高度不大于凹槽的深度,其中沿着转子的长度方向在定子和转子之间形成流动通道,使得空气在其中流动,并且其中当转子旋转时,多个叶片引导一个 空气流动到流动通道,使得转子被冷却。
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公开(公告)号:US20200271545A1
公开(公告)日:2020-08-27
申请号:US16792886
申请日:2020-02-18
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Yong Bok LEE , Wonil KWAK , Junsang KONG , Jungwan KIM , Yunseok HA
IPC: G01M13/045 , F16C41/00 , H04W4/38 , H02N2/18
Abstract: Provided is a system for real-time condition diagnosis of a bearing module including a self-power generation module installed in an outer ring of a bearing to generate electricity using vibration generated from a micro whirling motion of the bearing, a behavior detection unit installed in the bearing to detect behavior information of the bearing in real time, a wireless transmission module connected to the behavior detection unit to transmit the real-time detected behavior information of the bearing to an external device, and a condition diagnosis unit that receives the behavior information of the bearing transmitted from the wireless transmission module and diagnoses condition of the bearing in real time, wherein the real-time behavior information of the behavior detection unit installed in the bearing is transmitted through the electricity obtained by the self-power generation module.
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公开(公告)号:US20230407914A1
公开(公告)日:2023-12-21
申请号:US17956246
申请日:2022-09-29
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Yong Bok LEE , Jungwan KIM , Yunseok HA , Byul AN , Wonil KWAK , Yeong-do LEE
IPC: F16C32/04
CPC classification number: F16C32/0442 , F16C32/0478 , F16C2360/45
Abstract: A turbomachine according to an embodiment of the present disclosure may include a rotary shaft, a magnetic bearing including a core body configured to surround the rotary shaft, a plurality of poles radially extending from an inner surface of the core body toward the rotary shaft, and coils wound around the plurality of poles to levitate the rotary shaft by using a magnetic force generated by a magnetic field formed by applied electric current, a sleeve journal bearing disposed between the rotary shaft and the magnetic bearing so as to surround the rotary shaft and configured to levitate the rotary shaft by generating a dynamic pressure when the rotary shaft rotates, and a permanent magnet disposed between the plurality of poles and configured to support the rotary shaft by using a magnetic force.
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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.
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公开(公告)号:US20240384755A1
公开(公告)日:2024-11-21
申请号:US18654131
申请日:2024-05-03
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Yong Bok LEE , YunSeok HA , Jungwan KIM , Byul AN
Abstract: The present disclosure relates to a hybrid thrust bearing that combines an airfoil bearing and a magnetic bearing to support a rotating shaft with a disk-shaped thrust disk, and the magnetic bearing includes a disk-shaped housing into which the rotation shaft is inserted through a hole formed in a center and facing the thrust disk, a ring-shaped inner pole part formed around the hole on one side of the housing facing the thrust disk, a ring-shaped outer pole part disposed outside the inner pole part, an attachment part provided between the inner pole part and the outer pole part, and a coil stored in the attachment part, wherein a part of the airfoil bearing is inserted into the attachment part.
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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.
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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
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.
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公开(公告)号:US20150143808A1
公开(公告)日:2015-05-28
申请号:US14264780
申请日:2014-04-29
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor: Yong Bok LEE , Se Na JEONG , Chang Ho KIM , Bok Seong CHOE
CPC classification number: F01K23/04 , F01K7/16 , F01K19/00 , F01K19/10 , F01K25/08 , F01K27/02 , Y02E20/14
Abstract: The present disclosure provides a turbine generation system, including a first turbine part that is configured to have a first impeller rotated by an introduced fluid, and a second turbine part that is configured to have a second impeller rotated by steam, evaporated within a cycle unit, in which the fluid circulates along a rankine cycle, wherein the fluid, which is discharged from the first turbine part after rotating the first impeller, is heat-exchanged with a refrigerant of an evaporator disposed in the cycle unit.
Abstract translation: 本公开提供了一种涡轮发电系统,包括构造成具有由引入流体旋转的第一叶轮的第一涡轮机部分和被配置为具有由蒸汽旋转的第二叶轮的第二涡轮部分,在循环单元内蒸发 其中所述流体沿着一个血清循环循环,其中在旋转所述第一叶轮之后从所述第一涡轮机部分排出的流体与设置在所述循环单元中的蒸发器的制冷剂进行热交换。
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