发明名称 |
HYDRODYNAMIC BEARING MODULE AND SPINDLE MOTOR HAVING THE SAME |
摘要 |
Disclosed herein is a hydrodynamic bearing module, including: a shaft; a sleeve having the shaft rotatably and insertedly coupled thereinto and forming a micro-interval together with the shaft; oil injected in order to form a hydrodynamic bearing part between the shaft and the sleeve; a cover coupled to a lower end portion of the sleeve and sealing the oil; and a protrusion member positioned between the shaft and the cover in an axial direction of the shaft and selectively mounted on the cover or the shaft. |
申请公布号 |
US2013249337(A1) |
申请公布日期 |
2013.09.26 |
申请号 |
US201313848434 |
申请日期 |
2013.03.21 |
申请人 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
KIM YONG SIK;PARK IL OUNG;JANG HO KYUNG |
分类号 |
F16C32/06;H02K7/08 |
主分类号 |
F16C32/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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