Disk storage drive having particular diameter relationship and axial
compactness
    1.
    发明授权
    Disk storage drive having particular diameter relationship and axial compactness 失效
    具有特定直径关系和轴向致密度的磁盘存储驱动器

    公开(公告)号:US5557487A

    公开(公告)日:1996-09-17

    申请号:US453508

    申请日:1995-05-30

    Abstract: A disk storage device having a clean chamber for a storage disk having a central opening is provided with a brushless drive motor. The drive motor includes a stator and a winding on the stator and further includes a shaft aligned with the rotation axis of said motor, and a magnetically conducting member supported for rotation about the rotation axis and having an inner wall coaxially surrounding the stator. A magnet fixed to the inner wall of the magnetically conducting member is radially spaced from the stator. The disk storage device further includes a hub positioned within the clean chamber and contiguous with the magnetically conducting member so that the hub and the magnetically conducting member together form an outer rotor of the drive motor. The outer rotor has a radially extending flange having a surface which supports said storage disk. A support member contiguous with a portion of a partition of the clean chamber supports the shaft and has a recess receiving a portion of said radially extending flange, whereby the spacing between opposing walls of the clean chamber is reduced. Further, the magnetically conducting member has an outer diameter greater than the diameter of the central opening of the storage disk, and the rotor has a radially extending inner wall spaced closely adjacent to said stator windings, whereby said disk storage device is compact in a direction along said disk rotation axis while said motor magnet is axially separated from the plane of said storage disk.

    Abstract translation: 具有用于具有中心开口的存储盘的清洁室的盘存储装置设置有无刷驱动电动机。 驱动电动机包括定子和定子上的绕组,并且还包括与所述电动机的旋转轴线对齐的轴和用于围绕旋转轴线旋转并且具有同轴地围绕定子的内壁的导磁构件。 固定在导磁部件的内壁上的磁体与定子径向间隔开。 磁盘存储装置还包括定位在清洁室内并与导磁部件邻接的毂,使得毂和导磁部件一起形成驱动电动机的外转子。 外转子具有径向延伸的凸缘,其具有支撑所述存储盘的表面。 与清洁室的隔板的一部分邻接的支撑构件支撑轴并且具有容纳所述径向延伸的凸缘的一部分的凹部,由此清洁室的相对壁之间的间隔减小。 此外,导磁部件的外径大于存储盘的中心开口的直径,并且转子具有与所述定子绕组相邻的径向延伸的内壁,由此所述盘存储装置在方向 沿着所述盘旋转轴线,同时所述电动机磁体与所述存储盘的平面轴向分离。

    Driving mechanism for magnetic hard disc memories
    2.
    发明授权
    Driving mechanism for magnetic hard disc memories 失效
    磁性硬盘存储器的驱动机制

    公开(公告)号:US4519010A

    公开(公告)日:1985-05-21

    申请号:US326559

    申请日:1981-12-02

    CPC classification number: H02K5/10 G11B17/038 G11B23/505 H02K7/086 H02K2211/03

    Abstract: A driving mechanism for magnetic hard disc memories includes an isolated space for maximum cleanness, a driving motor mounted within the apparatus and having a stator and a rotor, the motor when energized having parts producing magnetic flux, a hub extending into the space of maximum cleanness for receiving therein at least one magnetic hard memory disc, a connection between the motor and the hub for driving the hub, a magnetic flux shield located between the parts producing the magnetic flux and the space of maximum cleanness, and the rotor being detachably connected to the rotor shaft.

    Abstract translation: 用于磁性硬盘存储器的驱动机构包括用于最大清洁度的隔离空间,安装在设备内并具有定子和转子的驱动电机,电动机通电时具有产生磁通量的部件,延伸到最大清洁空间的毂 用于在其中容纳至少一个磁性硬盘存储盘,马达和用于驱动轮毂的轮毂之间的连接,位于产生磁通量的部件和最大清洁空间之间的磁通屏蔽,并且转子可拆卸地连接到 转子轴。

    Disk storage device, with hub and drive motor rotor features
    6.
    发明授权
    Disk storage device, with hub and drive motor rotor features 失效
    磁盘存储设备,带轮毂和驱动电机转子功能

    公开(公告)号:US5801900A

    公开(公告)日:1998-09-01

    申请号:US466702

    申请日:1995-06-06

    Abstract: A disk storage device including a housing surrounding a clean chamber, at least one storage disk having a central opening, at least one data head mounted on the housing for movement in operative relationship with the disk within the clean chamber, and motor elements for rotating the disk within the clean chamber. The motor elements include a rotatable member positioned within the clean chamber. The rotatable member has a cylindrical outer surface portion that extends into the central opening of the storage disk and is supported by a shaft and bearing system. A stator including magnetically active parts is mounted on a support member, which also supports the shaft and bearing system. The stator has a magnetic flux-producing section having poles positioned on the same side of the support member as the rotatable member. The rotatable member includes a cylindrically-shaped magnetic flux-producing and conducting element including a ferromagnetic ring and an annular permanent magnet spaced from the poles of the stator by a substantially cylindrical air gap. Further, the outside diameter of the cylindrically-shaped magnetic flux-producing and conducting element is larger than the diameter of the central opening of the storage disk.

    Abstract translation: 一种盘存储装置,包括围绕清洁室的壳体,具有中心开口的至少一个存储盘,安装在壳体上的至少一个数据头,用于与清洁室内的盘操作关系,以及用于旋转 清洁室内的磁盘。 电机元件包括位于清洁室内的可旋转构件。 可旋转构件具有延伸到存储盘的中心开口中并由轴和轴承系统支撑的圆柱形外表面部分。 包括磁性活性部件的定子安装在支撑构件上,支撑构件也支撑轴和轴承系统。 定子具有磁通产生部分,其磁极定位在与可转动部件相同的支撑部件的一侧。 可旋转构件包括圆柱形磁通产生和导电元件,其包括铁磁环和通过基本上圆柱形的气隙与定子的极间隔开的环形永磁体。 此外,圆柱形磁通产生导电元件的外径大于存储盘的中心开口的直径。

    Disk storage device having a brushless DC drive motor
    7.
    发明授权
    Disk storage device having a brushless DC drive motor 失效
    具有无刷直流驱动电动机的磁盘存储装置

    公开(公告)号:US5446610A

    公开(公告)日:1995-08-29

    申请号:US47308

    申请日:1993-04-19

    Abstract: A disk storage device having a clean chamber for a storage disk having a central opening is provided with a brushless drive motor. The drive motor includes a stator and a winding on the stator and further includes a shaft aligned with the rotation axis of said motor, and a magnetically conducting member supported for rotation about the rotation axis and having an inner wall coaxially surrounding the stator. A magnet fixed to the inner wall of the magnetically conducting member is radially spaced from the stator. The disk storage device further includes a hub positioned within the clean chamber and contiguous with the magnetically conducting member so that the hub and the magnetically conducting member together form an outer rotor of the drive motor. The outer rotor has a radially extending flange having a surface which supports said storage disk. A support member contiguous with a portion of a partition of the clean chamber supports the shaft and has a recess receiving a portion of said radially extending flange, whereby the spacing between opposing walls of the clean chamber is reduced. Further, the magnet is spaced from the stator by a substantially cylindrical air gap having a diameter greater than the diameter of the central opening of the storage disk.

    Abstract translation: 具有用于具有中心开口的存储盘的清洁室的盘存储装置设置有无刷驱动电动机。 驱动电动机包括定子和定子上的绕组,并且还包括与所述电动机的旋转轴线对齐的轴和用于围绕旋转轴线旋转并且具有同轴地围绕定子的内壁的导磁构件。 固定在导磁部件的内壁上的磁体与定子径向间隔开。 磁盘存储装置还包括定位在清洁室内并与导磁部件邻接的毂,使得毂和导磁部件一起形成驱动电动机的外转子。 外转子具有径向延伸的凸缘,其具有支撑所述存储盘的表面。 与清洁室的隔板的一部分邻接的支撑构件支撑轴并且具有容纳所述径向延伸的凸缘的一部分的凹部,由此清洁室的相对壁之间的间隔减小。 此外,磁体通过具有大于存储盘的中心开口的直径的直径的大致圆柱形的气隙与定子间隔开。

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