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公开(公告)号：KR101638413B1
公开(公告)日：2016-07-20
申请号：KR1020150044413
申请日：2015-03-30
Applicant: 한국과학기술연구원
CPC classification number: F16C17/024 , F16C27/02 , F16C33/02 , F16C2202/08 , F16C2206/06 , F16C2212/08
Abstract: 본발명은섬유를이용한가스포일저널베어링에관한것으로, 더욱상세하게는베어링하우징과; 상기베어링하우징의내부에서모터의구동에따라회전하는저널; 및상기베어링하우징과상기저널사이에구비된탑 포일과; 상기베어링하우징과상기탑 포일사이에구비된범프포일; 및상기베어링하우징의내주면을따라밀착되게구비되어상기저널을통해상기베어링하우징에가해지는충격을완화시키는섬유부재;를포함하는섬유를이용한가스포일저널베어링에관한것이다. 본발명은가스포일저널베어링의내부에범프포일외에섬유부재를더 구비시켜사용함으로써저널을통해베어링하우징에가해지는충격을범프포일과섬유부재를이용하여이중으로흡수하도록함으로써베어링의내구성을크게향상시키는효과가있다.
Abstract translation: 本发明涉及一种使用纺织品的气体箔片轴颈轴承，更具体地说，涉及一种使用纺织品的气体薄片轴颈轴承，包括：轴承壳体; 根据马达的驱动在轴承壳体内旋转的轴颈; 设置在轴承壳体和轴颈之间的顶部箔片; 设置在所述轴承壳体和所述顶部箔片之间的凸块箔; 以及沿着所述轴承壳体的内周面紧密配置的织物，以吸收通过所述轴颈施加到所述轴承壳体的冲击。 根据本发明，除了泵箔之外，通过将纺织部件设置在气体箔轴颈轴承内部以使双轴吸收施加到轴承壳体上的冲击，能够大大提高轴承的耐用性 日志。
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公开(公告)号：KR1020150062027A
公开(公告)日：2015-06-05
申请号：KR1020130146530
申请日：2013-11-28
Applicant: 한국과학기술연구원
CPC classification number: F01K23/04 , F01K7/16 , F01K19/00 , F01K19/10 , F01K25/08 , F01K27/02 , Y02E20/14
Abstract: 본발명은유입되는유체에의하여회전하는제1임펠러를구비하는제1터빈부, 및랭킨사이클에따라서유체가순환하는사이클부내에서증발된증기에의하여회전하는제2임펠러를구비하는제2터빈부를포함하며, 상기제1임펠러를회전시킨후 상기제1터빈부에서유출되는유체가상기사이클부에구비되는증발기의냉매와열교환하도록형성되는것을특징으로하는터빈발전시스템을제공한다.
Abstract translation: 本发明提供了一种涡轮发电系统，其包括：第一涡轮机单元，具有由流体流入的第一叶轮; 以及第二涡轮机单元，其具有通过在循环单元内蒸发的蒸汽旋转的第二叶轮，其中流体根据兰金循环循环。 在第一叶轮旋转之后，从第一涡轮机单元排出的流体与安装在循环单元上的蒸发器的制冷剂进行热交换。
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公开(公告)号：KR1020120037702A
公开(公告)日：2012-04-20
申请号：KR1020100099320
申请日：2010-10-12
Applicant: 한국과학기술연구원
CPC classification number: F16C41/004 , F16C27/04 , F16C35/07 , F16C39/06 , F16F13/26
Abstract: PURPOSE: A hybrid oilless damper bearing and a control device thereof are provided to make a stable operation possible because adding the rigidity and absorption of external impact are planned by changing a load pressure actuating on a bump structure in a rotary shaft and the rear part of a sliding bearing. CONSTITUTION: A hybrid oilless damper bearing comprises a housing(110), a sliding bearing(120), a bump structure(130), and a piezoelectric actuator(140). The housing is fixed to a rotary device to cover the outer circumference of a rotary shaft of the rotary device. The sliding bearing is installed inside of the housing and mounted in the outer circumference of the rotary shaft. The bump structure is arranged between the housing and the sliding bearing. The piezoelectric actuator is arranged along the inner circumference of the hosing between the housing and bump structure.
Abstract translation: 目的：提供一种混合无油阻尼器轴承及其控制装置，以使稳定运行成为可能，因为通过改变驱动旋转轴中的凸块结构的负载压力和后部的 滑动轴承。 构成：混合无油阻尼器轴承包括壳体（110），滑动轴承（120），凸块结构（130）和压电致动器（140）。 壳体被固定到旋转装置以覆盖旋转装置的旋转轴的外周。 滑动轴承安装在壳体的内部并安装在旋转轴的外周。 凸块结构设置在壳体和滑动轴承之间。 压电致动器沿着壳体和凸块结构之间的软管的内周布置。
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公开(公告)号：KR100928948B1
公开(公告)日：2009-11-30
申请号：KR1020070106732
申请日：2007-10-23
Applicant: 한국과학기술연구원
CPC classification number: F16C32/0444 , F16C17/024 , F16C32/0402 , F16C32/048
Abstract: 본 발명은 고속회전장치의 회전체를 지지하기 위해 마그네틱베어링과 공기포일베어링이 결합한 형태의 공기포일-마그네틱 하이브리드 베어링 및 그 제어방법에 관한 것이다.
본 발명에 따른 공기포일-마그네틱 하이브리드 베어링은 회전장치의 회전축 외면을 둘러싸며 형성되는 하우징과, 상기 하우징과 회전축 사이에 배치되어 회전축의 회전 시 동압을 형성하여 회전축을 부상시키는 공기포일베어링과; 상기 하우징의 내면에 방사상으로 복수 개가 상기 회전축의 중심을 향해 돌출된 코어와, 상기 각 코어에 권취되는 코일로 이루어져, 상기 코일에 전류가 인가되어 형성되는 자기력에 의한 인력을 이용하여 회전축을 부상시키는 마그네틱베어링과; 상기 공기포일베어링을 마그네틱베어링에 결합시키는 결합편을 포함한다. 상기 마그네틱베어링은 초기구동 또는 종료시, 공기포일베어링만이 작동하는 하이브리드 베어링의 공진영역, 그리고 외력이 인가된 경우에 작동하도록 제어된다.
공기포일베어링, 마그네틱베어링, 하이브리드, 다공성포일, 속도센서, 위치센서Abstract translation: 翼型 - 磁性混合轴承技术领域本发明涉及一种翼型 - 磁性混合轴承，其是磁性轴承和翼型轴承的组合。 本发明的翼型 - 磁力混合轴承包括：围绕旋转装置的旋转轴的壳体; 位于所述壳体和所述旋转轴之间的翼型轴承，用于在所述旋转轴旋转期间形成动压以使所述旋转轴悬浮; 磁力轴承，其包括径向地定位在壳体的内表面和翼型件轴承的外表面之间的多个芯，所述芯突出到旋转轴的中心;以及线圈，其缠绕到芯以使得旋转轴利用磁性 由当前应用产生的吸引力; 以及用于将翼型轴承直接联接到磁性轴承的联接段。
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公开(公告)号：KR1020080019924A
公开(公告)日：2008-03-05
申请号：KR1020060082461
申请日：2006-08-29
Applicant: 한국과학기술연구원
IPC: C23C4/04
CPC classification number: C23C4/04 , C23C4/02 , C23C4/06 , C23C4/18 , F16C17/024 , F16C33/14 , F16C33/6677 , F16C2204/52 , F16C2220/70 , F16C2223/06 , F16C2223/42 , Y02T10/865
Abstract: A coating material having heat resistance, wear resistance and low friction characteristics is provided to enable an operating body such as a rotary shaft operated at a high speed in an oil-free state under medium temperature(400 to 500 deg.C) conditions resist well against friction, heating and wear generated due to a contact of the operating body with a bearing by coating the coating material on the operating body, and a coating method that can maintain durability of the coating material coated on the operating body for a long time is provided. In a coating material coated on surfaces of operating bodies of machinery and equipment, the coating material comprises 15 to 25 wt.% of antimony trioxide(Sb2O3), 50 to 70 wt.% of a binder, 10 to 20 wt.% of tungsten disulfide(WS2), and 5 to 15 wt.% of silver(Ag). In a coating material coated on surfaces of operating bodies of machinery and equipment, the coating material comprises 15 to 25 wt.% of antimony trioxide(Sb2O3), 40 to 65 wt.% of a binder, 10 to 20 wt.% of tungsten disulfide(WS2), 5 to 15 wt.% of silver(Ag), and 5 to 15 wt.% of molybdenum oxide(MoO3). The binder comprises 60 to 80 wt.% of nickel(Ni) and 20 to 40 wt.% of chromium(Cr). The binder further comprises more than 0 to 10 wt.% of aluminum(Al) based on the total weight of nickel and chromium. A method of coating a coating material comprises the steps of: (a) crushing the coating material; (b) crushing a binder; (c) primarily coating the crushed binder on a surface of an operating body; (d) secondly coating the crushed coating material on a first coating layer of the binder; and (e) grinding and polishing a surface of a second coating layer of the coating material.
Abstract translation: 提供具有耐热性，耐磨性和低摩擦特性的涂层材料，以使得诸如在中等温度（400至500℃）条件下无油状态下高速操作的旋转轴的操作体能够良好地抵抗 防止由于操作体与轴承的接触而产生的摩擦，加热和磨损，通过将涂覆材料涂覆在操作体上，以及能够长时间保持涂覆在操作体上的涂层材料的耐久性的涂布方法是 提供。 在涂覆在机械和设备的操作体的表面上的涂料中，涂料包含15-25重量％的三氧化锑（Sb2O3），50-70重量％的粘合剂，10-20重量％的钨 二硫化物（WS2）和5〜15重量％的银（Ag）。 在涂覆在机械和设备的操作体表面上的涂料中，涂料包含15-25重量％的三氧化锑（Sb2O3），40-65重量％的粘合剂，10-20重量％的钨 二硫化物（WS2），5〜15重量％的银（Ag）和5〜15重量％的氧化钼（MoO 3）。 粘合剂包含60至80重量％的镍（Ni）和20至40重量％的铬（Cr）。 基于镍和铬的总重量，粘合剂还包含大于0至10重量％的铝（Al）。 涂覆涂料的方法包括以下步骤：（a）粉碎涂料; （b）压碎粘合剂; （c）主要在操作体的表面上涂覆压碎的粘合剂; （d）二次将粉碎的涂料涂覆在粘合剂的第一涂层上; 和（e）研磨和抛光涂层材料的第二涂层的表面。
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Patent Agency Ranking
公开(公告)号：KR1020070099180A
公开(公告)日：2007-10-09
申请号：KR1020060030237
申请日：2006-04-03
Applicant: 한국과학기술연구원
Abstract: A miniature air blower apparatus is provided to simplify the manufacture of an air blower device by realizing a structural integration by connecting an air foil bearing to a stator. A miniature air blower apparatus includes a main housing(230) and a bearing housing(210). A motor unit is coupled to an air foil bearing inside of a stator and generates rotational force to drive a rotation material at high speed in a brushless DC motor. A cooling pin for a guide vane is installed on the outer surface of the motor unit to cool the air. An impeller(240) flows the air into the blower by rotating according to the rotational force of the motor unit. A shaft transmits the rotational force of the motor unit to the impeller unit. A thrust bearing aids the rotation of the shaft. A diffuser increases the pressure of air flow generated according to the rotation of the impeller. An intake port(280) sucks the air according to the rotation of the impeller.
Abstract translation: 提供了一种微型鼓风机装置，通过将气翼轴承连接到定子来实现结构一体化，从而简化了鼓风机装置的制造。 微型鼓风机装置包括主壳体（230）和轴承壳体（210）。 电动机单元联接到定子内部的空气箔轴承，并产生旋转力以在无刷DC电动机中高速驱动旋转材料。 用于导向叶片的冷却销安装在马达单元的外表面上以冷却空气。 叶轮（240）通过根据马达单元的旋转力的旋转将空气流入鼓风机。 轴将马达单元的旋转力传递到叶轮单元。 推力轴承有助于轴的转动。 扩散器增加根据叶轮的旋转产生的气流的压力。 进气口（280）根据叶轮的旋转吸入空气。
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公开(公告)号：KR100658518B1
公开(公告)日：2006-12-15
申请号：KR1020050098449
申请日：2005-10-19
Applicant: 한국과학기술연구원
Abstract: A high pressure floating ring seal supported with a bump foil is provided to solve a rubbing problem of an axis and the seal and improve stability by the floating circular seal having a supporting bump. In a high pressure floating ring seal supported with a bump foil, a clamping nut(100) is installed around a rotary axis(400) of a cylindrical shape. A floating circular ring(300) moves between the clamping nut and the rotary axis in the direction of an axis, a radius and a circumference. A bump(500) supports the floating circular ring by being installed between the clamping nut and the floating circular ring. A supporting ring supports the clamping nut, the floating circular ring, and the bump at the side.
Abstract translation: 提供由波箔支撑的高压浮动环密封件，以解决轴和密封件的摩擦问题，并通过具有支撑凸起的浮动圆形密封件来提高稳定性。 在由波箔支撑的高压浮动环密封件中，夹紧螺母（100）围绕圆柱形旋转轴（400）安装。 浮动圆环（300）在夹紧螺母和旋转轴之间沿轴线，半径和圆周的方向移动。 凸起（500）通过安装在夹紧螺母和浮动圆环之间来支撑浮动圆环。 支撑环在侧面支撑紧固螺母，浮动圆环和凸块。
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公开(公告)号：KR100413061B1
公开(公告)日：2003-12-31
申请号：KR1020010003306
申请日：2001-01-19
Applicant: 한국과학기술연구원
IPC: F16C27/02
CPC classification number: F16C27/02 , F16C17/024 , F16C25/02
Abstract: 본 발명은 포일의 배면측에 압전구동기를 설치하여 베어링의 하중지지능력을 높이고, 임계속도에서의 진동을 제어하여 베어링의 불안정성을 제거시킨 압전구동기를 이용한 스마트 포일 저널 베어링에 관한 것이다.
본 발명은, 베어링 하우징(30)의 내주면에 다수의 다엽형 포일(20) 또는 하나의 탑포일(40)을 갖고 공기피막을 형성시켜 회전축을 지지하는 포일 저널베어링으로서, 상기 다엽형 포일(20) 또는 탑포일(40)의 배면측에는, 상기 회전축(10)의 임계속도시 강성과 감쇠를 부가할 수 있도록 베어링 하우징(30)의 내주면에 다수의 압전구동장치를 추가로 분포 설치하되, 상기 압전구동장치는,
상기 베어링 하우징(30)의 내주면에 다수개로 형성 분포된 압전구동기 홈 (34)에 삽입되고 적어도 하나의 압전구동소자를 갖는 압전구동기(100)와;
상기 압전구동기(100)와 상기 압전구동기 홈(34)과의 사이에 각기 개재되어 강성(stiffness)을 부여하는 탄성스프링(110)을 포함하여 상기 압전구동기(102)에 필요한 전압을 인가시켜 베어링에 강성과 댐핑을 부가한 것을 특징으로 한다.Abstract translation: 箔片轴颈轴承利用多个压电致动器来增加轴承的承载能力。 箔片轴颈轴承设置在其轴承座的内表面与多个箔或用于支撑旋转轴的箔片轴颈轴承包括多个嵌入在轴承壳体的内侧部分的压电致动器装置的顶部箔而到来 接触并支撑箔片或箔片以在旋转轴的临界速度下增加轴承的刚度和阻尼系数。 压电致动器装置中的每一个包括插入到形成在轴承壳体的内表面上的凹坑中的一个压电致动器的并设置有至少所述压电致动器的底部和底部之间的压电致动元件和一个弹性弹簧 从而通过向压电致动器施加电压来增加轴承的刚度和阻尼系数。
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公开(公告)号：KR100390861B1
公开(公告)日：2003-07-10
申请号：KR1020000076787
申请日：2000-12-15
Applicant: 한국과학기술연구원
IPC: G05D27/00
Abstract: PURPOSE: An intelligent wireless sensor for state diagnosis is provided to determine thermal flow and intensity of acceleration of a rotating body by measuring simultaneously an acceleration direction and a variation of temperature according to a movement of the rotating body. CONSTITUTION: An acceleration meter(100) measures dynamic acceleration or static acceleration according to a movement of a rotating body and converts the measured value to a digital signal. A thermometer(200) measures a temperature of the rotating body and converts the measured value to a digital signal. A micro controller(300) inputs or outputs the digital signals of the acceleration meter(100) and the thermometer(200). An infrared transceiver(400) receives or transmits the digital signals from or to peripheral devices of an IrDA protocol method. A USB interface(500) measures a direction and a thermal variation of the rotating body(10), simultaneously.
Abstract translation: 目的：提供一种用于状态诊断的智能无线传感器，用于通过根据旋转体的移动同时测量加速度方向和温度变化来确定旋转体的热流和加速度强度。 构成：加速度计（100）根据旋转体的运动测量动态加速度或静态加速度，并将测量值转换为数字信号。 温度计（200）测量旋转体的温度并将测量值转换为数字信号。 微控制器（300）输入或输出加速计（100）和温度计（200）的数字信号。 红外收发器（400）从IrDA协议方法的外围设备接收数字信号或向其发送数字信号。 USB接口（500）同时测量旋转体（10）的方向和热变化。
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公开(公告)号：KR1020020062078A
公开(公告)日：2002-07-25
申请号：KR1020010003306
申请日：2001-01-19
Applicant: 한국과학기술연구원
IPC: F16C27/02
CPC classification number: F16C27/02 , F16C17/024 , F16C25/02
Abstract: PURPOSE: A smart foil journal bearing using piezoelectric actuator is provided to improve load carrying capacity, to control range of critical speed on axial rotary movement and to remove instability over critical speed. CONSTITUTION: A bearing includes a plurality of piezoelectric actuating devices distributed and installed on an inner circumferential surface of a bearing housing(30) behind multileaf foils(20) or top foils(40) and including piezoelectric actuators(100) inserted to piezoelectric actuator grooves(34) formed on the inner circumferential surface of the bearing housing and having more than one piezoelectric actuating elements(102a,102b,102c,102d) and elastic springs(110) interposed between the piezoelectric actuators and the piezoelectric actuator grooves to give stiffness so as to impress voltage to the piezoelectric actuators and provide stiffness and damping to the bearing.
Abstract translation: 目的：提供使用压电致动器的智能箔轴颈轴承，以提高承载能力，控制轴向旋转运动的临界转速范围，并消除临界转速下的不稳定性。 构成：轴承包括分布并安装在多叶片（20）或顶部箔（40）后面的轴承壳体（30）的内圆周表面上的多个压电致动装置，并且包括压电致动器（100），其插入到压电致动器凹槽 （34），其形成在所述轴承壳体的内周面上并且具有多于一个的压电致动元件（102a，102b，102c，102d）和插入在所述压电致动器和所述压电致动器槽之间的弹性弹簧（110），以提供刚度 以向压电致动器施加电压并为轴承提供刚度和阻尼。
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