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    • 1. 发明授权
    • Actuator including an actuator body with parallel support extensions and coil support tab for supporting a coil and method of making the same
    • 执行器包括具有平行支撑延伸部的致动器主体和用于支撑线圈的线圈支撑突片及其制造方法
    • US07375929B1
    • 2008-05-20
    • US10816686
    • 2004-04-01
    • Ken L. ChangKamran OveyssiShawn E. CaseyChaw-Wu Tseng
    • Ken L. ChangKamran OveyssiShawn E. CaseyChaw-Wu Tseng
    • G11B5/55
    • G11B5/4833G11B5/4846
    • An actuator for a disk drive. The actuator includes an actuator body The actuator body includes a main body section defining a horizontal plane orthogonal to an axis of rotation. The actuator body further includes an actuator arm extending from the main body section. The actuator body further includes two parallel support extensions extending from the main body section opposite the actuator arm. The support extensions cooperatively form a channel between the support extensions. The actuator body further includes a coil support tab disposed adjacent the support extensions and extending orthogonal to the horizontal plane. The actuator further includes a vertical coil defining a coil plane disposed orthogonal to the horizontal plane. The coil is disposed in mechanical communication with the support extensions and the coil support tab for supporting the coil within the channel.
    • 用于磁盘驱动器的执行器。 致动器包括致动器主体。致动器本体包括限定与旋转轴线正交的水平面的主体部分。 致动器主体还包括从主体部分延伸的致动器臂。 致动器主体还包括从主体部分相对于致动器臂延伸的两个平行的支撑延伸部。 支持扩展协同地在支持扩展之间形成一个通道。 致动器主体还包括一个线圈支撑突出部,该线圈支撑突出部邻近支撑延伸部延伸并且垂直于水平面延伸 致动器还包括限定垂直于水平面布置的线圈平面的垂直线圈。 线圈设置成与支撑延伸部和线圈支撑突出部机械连通,用于将线圈支撑在通道内。
    • 4. 发明授权
    • Method for predicting vibrational characteristics of rotating structures
    • 预测旋转结构振动特性的方法
    • US07630869B2
    • 2009-12-08
    • US10854608
    • 2004-05-26
    • I-Yeu ShenChaw-Wu TsengJr-Yi Shen
    • I-Yeu ShenChaw-Wu TsengJr-Yi Shen
    • G06G7/48G06F7/60G06F17/10G06F17/50
    • G01H1/003Y02T10/82
    • A method is disclosed for analyzing the vibrational characteristics of rotating devices, such as hard disk drives and jet engines, that are coupled through bearings to flexible supports. In the method, the rotating device is discretized, for example, using a mesh suitable for finite element analysis. The support is also discretized. The natural frequency of elastic vibration modes for the rotating device is calculated and the natural frequency of vibration modes for the support is calculated. The mode shapes are then calculated and a set of modal basis corresponding to the mode shapes is utilized. Bearing stiffness and damping matrices are input, and the Lagrangian equations of motion are integrated numerically in the modal space, to calculate the vibrational response of the rotating device and support. The modal space results are then transformed into ordinary space. The vibrational analysis may be used to design devices having desired vibrational characteristics.
    • 公开了一种用于分析旋转装置(例如硬盘驱动器和喷气发动机)的振动特性的方法,其通过轴承联接到柔性支撑件。 在该方法中,旋转装置例如使用适于有限元分析的网格离散化。 支持也是离散的。 计算旋转装置的弹性振动模式的固有频率,并计算支架的振动模式的固有频率。 然后计算模式形状,并且利用对应于模式形状的一组模态基础。 输入轴承刚度和阻尼矩阵,运动的拉格朗日方程在模态空间中数值积分,以计算旋转装置和支撑件的振动响应。 然后将模态空间结果转换为普通空间。 振动分析可用于设计具有期望的振动特性的装置。