Dual seal for optimized performance

Details Dual seal for optimized performance Dual seal for optimized performance

2006-10-27

2010-06-01

Hannon, Thomas R (Department: 3656)

Bearings

Rotary bearing

Plain bearing

C384S119000

Reexamination Certificate

active

07726882

ABSTRACT:
A fluid dynamic bearing having a hub, a sleeve, and a sealing arrangement comprising a first capillary seal substantially retaining a first fluid and a second capillary seal comprising a second fluid. The second capillary seal is located between the first capillary seal and an opening between the hub and the sleeve.

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patent: 6669369 (2003-12-01), Nottingham et al.
patent: 2008/0101738 (2008-05-01), Parsoneault et al.

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