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    • 7. 发明授权
    • Rotating disk storage device having a spoiler
    • 具有扰流器的旋转盘存储装置
    • US07944644B2
    • 2011-05-17
    • US11903010
    • 2007-09-19
    • Jiro KanekoMasaki OotsukaYuuichi OotaniKazuya Sekiguchi
    • Jiro KanekoMasaki OotsukaYuuichi OotaniKazuya Sekiguchi
    • G11B33/14
    • G11B25/043G11B33/148
    • Embodiments of the present invention effectively control utilizing a spoiler, the windage vibration of a magnetic head caused by the airflow generated in accordance with rotation of a magnetic disk, while reducing the dust flowing in on the downstream side of the spoiler. According to one embodiment, a spoiler is provided with wings facing a plurality of magnetic disks and a supporting section for the wings is disposed on the upstream side of a head stack assembly in the airflow direction in accordance with the rotation of the magnetic disks. Further, the wings each extend in a direction from the outer circumferences of the magnetic disks towards the spindle shaft while reducing the width of the wing, and is formed to have the width of the wing in a range of 2.7% through 2.9% of the circumferential length of the magnetic disks in a range of two thirds of the length of the wing in a direction towards the spindle shaft from a region located at the outer circumferences of the magnetic disks.
    • 本发明的实施例有效地控制利用扰流器,由根据磁盘的旋转产生的气流引起的磁头的风阻振动,同时减少在扰流器的下游侧流动的灰尘。 根据一个实施例,扰流器设置有面向多个磁盘的翼,并且用于翼的支撑部分根据磁盘的旋转设置在气缸组件的上游侧。 此外,翼片各自从磁盘的外周朝向主轴的方向延伸,同时减小翼的宽度,并且形成为具有翼的宽度在2.7%至2.9%的范围内 在位于磁盘的外圆周的区域中,在朝向主轴的方向上的翼的长度的三分之二的范围内的磁盘的圆周长度。