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Fluid Dynamic Pressure Bearing, Spindle Motor Provided with Fluid Dynamic Pressure Bearing, and Recording Disk Drive Device Provided with Spindle Motor

机译：流体动压轴承，具有流体动压轴承的主轴电动机以及具有主轴电动机的记录盘驱动装置

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摘要

In a fluid dynamic pressure bearing, a capillary seal (32) is configured in a third fine clearance (11) defined between an upper peripheral surface of a bearing housing (4) and an inner circumferential surface of an annular member (30) fixed onto a rotor upper wall (16a). Furthermore, the annular member (30) is formed by press working.

机译：在流体动压轴承中，毛细管密封（ 32 ）构造在轴承壳体（上表面）之间的第三精细间隙（ 11 ）中。 > 4 ）和固定在转子上壁（ 16 a ）上的环形件（ 30 ）的内周面。此外，环形构件（ 30 ）通过冲压加工形成。 展开▼

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公开/公告号US2006051002A1

专利类型

公开/公告日2006-03-09

原文格式PDF

申请/专利权人 YOICHI SEKII;TAKEHITO TAMAOKA;
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申请/专利号US20050162359

发明设计人 YOICHI SEKII;TAKEHITO TAMAOKA;
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申请日2005-09-08

分类号F16C32/06;

国家 US

入库时间 2022-08-21 21:44:07

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