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    • 33. 发明授权
    • Motor
    • 发动机
    • US07375448B2
    • 2008-05-20
    • US11784467
    • 2007-04-05
    • Sang Uk Kim
    • Sang Uk Kim
    • H02K5/16
    • F16C33/107F16C17/107F16C2370/12G11B19/2018H02K7/085
    • A motor having a fluid dynamic bearing generating a fluid dynamic pressure by forming an oil gap between a rotor and a stator such that oil is accommodated in the oil gap, and a first and second air dynamic bearing generating an air dynamic pressure by forming an air gap between the rotor and the stator such that air is introduced into the air gap. The fluid dynamic bearing generates a fluid dynamic pressure by forming an oil gap between an axial hole of a sleeve and a shaft such that oil is accommodated in the oil gap, and the first and second air dynamic bearings generate an air dynamic pressure by forming an air gap between an inner circumferential surface of a hub and an outer circumferential surface of the sleeve and between the inner circumferential surface of the hub and an upper plane surface of the sleeve, respectively.
    • 一种具有流体动力轴承的电动机,其通过在转子和定子之间形成油隙而产生流体动态压力,使得油被容纳在油隙中;以及第一和第二空气动态轴承,通过形成空气产生空气动压 转子和定子之间的间隙,使得空气被引入气隙。 流体动力轴承通过在套筒的轴向孔和轴之间形成油隙而产生流体动压,使得油被容纳在油隙中,并且第一和第二空气动态轴承通过形成空气动压来产生空气动压 轮毂的内圆周表面和套筒的外圆周表面之间以及毂的内周表面和套筒的上平面表面之间的气隙。
    • 34. 发明申请
    • Hydrodynamic bearing motor
    • 流体动力轴承电机
    • US20070201779A1
    • 2007-08-30
    • US11710350
    • 2007-02-22
    • Sang Uk Kim
    • Sang Uk Kim
    • F16C32/06
    • F16C17/107F16C33/107H02K5/1675
    • In a hydrodynamic bearing motor which rotatably supports a rotor by forming a hydrodynamic bearing by forming an oil gap between the rotor and a stator, the stator includes a base and a hollow sleeve fixedly coupled to the central portion of the base and having a flange formed at an upper end portion of the sleeve. The rotor includes a shaft forming journal bearings by forming an oil gap in the hollow of the sleeve and rotatably coupled to the hollow of the sleeve 120, a hub having the central portion to which an upper end portion of the shaft is fixedly coupled, having a cylindrical wall extending downward toward the outside of the flange from a lower surface of the hub, and forming an oil gap with an upper surface of the flange, thus forming an upper thrust bearing, and a thrust plate fixedly coupled to an inner circumferential surface of the cylindrical wall and forming a lower thrust bearing with a lower surface of the flange.
    • 在通过在转子和定子之间形成油隙而形成流体动力轴承来可旋转地支撑转子的流体动力轴承马达中,定子包括固定地连接到基座的中心部分并具有凸缘的中空套筒 在套筒的上端部分。 转子包括轴形成轴颈轴承,通过在套筒的中空部中形成油隙并且可旋转地联接到套筒120的中空部,毂具有中心部分,轴的上端部固定地连接在该中心部分上, 从轮毂的下表面朝向法兰外侧向下延伸的圆柱形壁,并且与凸缘的上表面形成油隙,从而形成上止推轴承,以及固定地连接到内周面的止推板 并形成具有法兰下表面的下推力轴承。
    • 35. 发明申请
    • Motor
    • 发动机
    • US20070188035A1
    • 2007-08-16
    • US11784467
    • 2007-04-05
    • Sang Uk Kim
    • Sang Uk Kim
    • H02K5/16F16C32/06
    • F16C33/107F16C17/107F16C2370/12G11B19/2018H02K7/085
    • A motor having a fluid dynamic bearing generating a fluid dynamic pressure by forming an oil gap between a rotor and a stator such that oil is accommodated in the oil gap, and a first and second air dynamic bearing generating an air dynamic pressure by forming an air gap between the rotor and the stator such that air is introduced into the air gap. The fluid dynamic bearing generates a fluid dynamic pressure by forming an oil gap between an axial hole of a sleeve and a shaft such that oil is accommodated in the oil gap, and the first and second air dynamic bearings generate an air dynamic pressure by forming an air gap between an inner circumferential surface of a hub and an outer circumferential surface of the sleeve and between the inner circumferential surface of the hub and an upper plane surface of the sleeve, respectively.
    • 一种具有流体动力轴承的电动机,其通过在转子和定子之间形成油隙而产生流体动态压力,使得油被容纳在油隙中;以及第一和第二空气动态轴承,通过形成空气产生空气动压 转子和定子之间的间隙,使得空气被引入气隙。 流体动力轴承通过在套筒的轴向孔和轴之间形成油隙而产生流体动压,使得油被容纳在油隙中,并且第一和第二空气动态轴承通过形成空气动压来产生空气动压 轮毂的内圆周表面和套筒的外圆周表面之间以及毂的内周表面和套筒的上平面表面之间的气隙。
    • 37. 发明申请
    • Hydrodynamic bearing motor
    • 流体动力轴承电机
    • US20060147135A1
    • 2006-07-06
    • US11322632
    • 2005-12-30
    • Sang Uk Kim
    • Sang Uk Kim
    • F16C32/06
    • H02K7/086F16C17/107F16C33/103F16C33/107F16C2370/12G11B19/2018
    • Provided is a hydrodynamic bearing motor. The hydrodynamic bearing motor, wherein oil journal bearings are formed between a shaft and a sleeve, includes: an upper thrust cover that is fitted over a top portion of the shaft and has an annular rib; a fixture that is secured to a bottom portion of the shaft and has a receiving rib; an upper capillary seal that is defined between an outer circumference of the top portion of the sleeve and the annular rib and retains oil by capillary action; and a lower capillary seal that is defined between an outer circumference of the bottom portion of the sleeve and an inner circumference of the receiving rib and retains oil by capillary action. The hydrodynamic bearing motor provides improved operating characteristics by preventing leakage of oil despite expansion of air bubbles and balancing the pressure between bearings and has improved driving characteristics due to a sufficient journal bearing length.
    • 提供了一种流体动力轴承电动机。 其中油轴颈轴承形成在轴和套筒之间的流体动力轴承电动机包括:上推力盖,其安装在轴的顶部上并具有环形肋; 固定件,其固定到所述轴的底部并具有接收肋; 上部毛细管密封件限定在套筒的顶部的外周和环形肋之间,并通过毛细管作用保持油; 以及下部毛细管密封件,其限定在套筒的底部的外周和接收肋的内周之间,并通过毛细管作用保持油。 流体动力轴承电动机通过防止气泡膨胀并且平衡轴承之间的压力并且由于足够的轴颈轴承长度而具有改善的驱动特性,从而提供改进的操作特性。