Fluid dynamic bearing having an acute-angled shaft recess

Details Fluid dynamic bearing having an acute-angled shaft recess Fluid dynamic bearing having an acute-angled shaft recess

2007-11-20

2007-11-20

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Plain bearing

C384S100000

Reexamination Certificate

active

10348090

ABSTRACT:
A fluid dynamic bearing assembly including a shaft and a bearing sleeve. A bearing gap is formed between the shaft and the bearing sleeve and is filled with a lubricating fluid. A capillary seal is formed at one end of the bearing sleeve, and a recess is formed in the shaft immediately above the capillary seal. The surface of the recess forms an acute angle with an axis of the shaft.

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