Hydraulic compensation for magnetically biased fluid dynamic...

Details Hydraulic compensation for magnetically biased fluid dynamic... Hydraulic compensation for magnetically biased fluid dynamic...

2003-06-23

2008-09-09

Ridley, Richard W L (Department: 3682)

Bearings

Rotary bearing

Fluid bearing

C384S114000, C384S121000

Reexamination Certificate

active

07422370

ABSTRACT:
A fluid dynamic bearing motor including a stationary sleeve, a rotating shaft axially disposed through the sleeve, a journal gap between the shaft and the sleeve, the gap defined by first and second interfacial surfaces of the shaft and sleeve, at least one set of fluid dynamic grooves formed on the first interfacial surface of the journal gap, and at least one step defined on the second interfacial surface of the journal gap.

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