专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

2. 发明授权

US5925949A Disc drive motor with means to center a disc and limit its axial movement 失效
标题翻译：盘式驱动电机具有使盘对中心并限制其轴向运动的装置
公开(公告)号：US5925949A
公开(公告)日：1999-07-20
申请号：US992063
申请日：1997-12-17
申请人： Sung Cheon Jung , Jin Ki Min
发明人： Sung Cheon Jung , Jin Ki Min
IPC分类号： F16C17/02 , G11B19/20 , H02K5/16 , G11B17/028
CPC分类号： H02K5/163 , G11B19/2009
摘要： A brushless DC motor for a disc drive having a base and a coil-wound stator secured to an upper portion of the base. One or more first stoppers are secured to the stator and a shaft is rotatably secured in a bearing forcibly inserted in a bore in the upper portion of the base. A hub of a rotor is secured to the shaft and a cylindrical wall extends downwardly at the rim of the hub and carries a magnet facing the stator with an air gap therebetween. A second stopper is secured to the rotor, to face the first stopper to retain the rotor in the axial direction. The second stopper has a flange over which the first stopper is placed with slight clearance. An elastomer rests on the first stopper and carries guides which extend in slots in the rotor to engage and center a hole in a disc.
摘要翻译：一种用于盘驱动器的无刷DC电动机，其具有固定到基座的上部的基座和缠绕绕组的定子。一个或多个第一止动件固定到定子上，并且轴可旋转地固定在强制插入基部的上部的孔中的轴承中。转子的轮毂固定到轴上，并且圆柱形壁在轮毂的轮缘处向下延伸，并带有面对定子的磁体，其间具有气隙。第二止动件固定到转子上，面向第一止动件以将转子保持在轴向方向上。第二止动件具有凸缘，第一止动件以稍微的间隙放置在该凸缘上。弹性体位于第一止动件上并且承载在转子中的狭槽中延伸的引导件，以接合和定位在盘中的孔。

IPRDB

热门服务

关于我们

友情链接

联系方式