Fluid dynamic bearing motor configured with an integrated...

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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C384S100000, C384S119000

Reexamination Certificate

active

06900568

ABSTRACT:
A fluid dynamic bearing motor assembly is described. In one embodiment, the assembly includes a shaft, a sleeve configured to rotate about a rotational axis, and a counterplate attached to the sleeve. The counterplate includes a radial section and a axial section, which is attached to the radial section and partially defines a labyrinth to remove bearing fluid from a region between the shaft and the axial section.

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patent: 2003/0030222 (2003-02-01), Grantz et al.
U.S. Appl. No. 10/696,755, filed Oct. 29, 2003 entitled: Top Cover Attached Single Plate Fluid Dynamic Bearing Motor.

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