Air dynamic bearing

Details Air dynamic bearing Air dynamic bearing

1997-07-03

1999-09-28

Hannon, Thomas R.

Bearings

Rotary bearing

Fluid bearing

384119, F16C 3206

Patent

active

059575875

ABSTRACT:
An air dynamic bearing is constructed to prevent the inflow of a foreign substance. The air dynamic bearing includes an inner member having a lubricious surface and fixed to a shaft which rotates, and an outer member having a lubricious surface corresponding to the lubricious surface of the inner member and supporting the inner member to be operative to rotate. First grooves are formed in the lubricious surface of at least one of the inner and the outer members to generate a predetermined air pressure outward when the at least one of the inner and the outer members rotates.

REFERENCES:
patent: 3265452 (1966-08-01), Pan et al.
patent: 4696584 (1987-09-01), Tielemans
patent: 4925321 (1990-05-01), Maruyama et al.
patent: 5018880 (1991-05-01), Nakasugi et al.
patent: 5631761 (1997-05-01), Lee
patent: 5709480 (1998-01-01), Hong

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