Spindle motor for hard disc drive

Details Spindle motor for hard disc drive Spindle motor for hard disc drive

2005-12-27

2005-12-27

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Fluid bearing

C384S107000

Reexamination Certificate

active

06979128

ABSTRACT:
A spindle motor for a hard disc drive. The spindle motor includes an oil outflow prevention part mounted at an inner side of an oil inlet, preventing oil from flowing out through the oil inlet, but allowing an outflow of air bubbles that are generated due to gasification of the oil. Accordingly, the contamination of the spindle motor due to oil that has flowed out is decreased.

REFERENCES:
patent: 3749954 (1973-07-01), Anderson, Jr.
patent: 5018881 (1991-05-01), Asada
patent: 5715116 (1998-02-01), Moritan et al.
patent: 6147424 (2000-11-01), Gomyo et al.
patent: 11-117935 (1999-04-01), None
patent: 2002-106567 (2002-04-01), None

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