Spindle motor having holding magnet preventing oil discharge

Details Spindle motor having holding magnet preventing oil discharge Spindle motor having holding magnet preventing oil discharge

2010-02-22

2011-12-27

Tamai, Karl (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06700R, C310S051000

Reexamination Certificate

active

08084907

ABSTRACT:
The spindle motor includes a rotating shaft, a rotor cover which is secured to the rotating shaft and rotates the rotating shaft, a bearing for rotatably supporting the rotating shaft, a holder for holding the bearing, and a holding magnet which is directly mounted to an inner wall of the rotor cover. In this case, the holding magnet is positioned above the bearing to prevent oil from being discharged from the bearing to the outside.

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