Hydrodynamic bearing for a spindle motor

Details Hydrodynamic bearing for a spindle motor Hydrodynamic bearing for a spindle motor

2006-02-21

2006-02-21

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Fluid bearing

C384S110000

Reexamination Certificate

active

07001073

ABSTRACT:
Hydrodynamic bearing for use in a spindle motor includes a shaft, a bearing sleeve encompassing the shaft with a small radial clearance, a plurality of hydrodynamic pressure generating grooves formed on at least one of an outer surface of the shaft and an inner surface of the bearing sleeve, and a base-plate, flange or another frame element of the motor. The bearing sleeve is constructed as a single component with the frame element of the motor.

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German Search Report dated May 13, 2004.

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