Fluid bearing apparatus having a thrust bearing mounted at both

Details Fluid bearing apparatus having a thrust bearing mounted at both Fluid bearing apparatus having a thrust bearing mounted at both

1997-11-19

1999-09-07

Letscher, George J.

Bearings

Rotary bearing

Fluid bearing

369269, 384112, F16C 3206, G11B 2502

Patent

active

059476079

ABSTRACT:
A fluid bearing in which a thrust bearing is mounted at both ends of a rotary shaft to minimize movement and oscillation of the rotary shaft regardless of a thrust load. The fluid bearing apparatus includes a pair of sleeves respectively mounted into one end of a pair of bearing brackets, a rotary shaft inserted into through holes of the respective sleeves, having a second kinetic pressure generating groove on a circumferential side opposite to the inside of the respective through holes, a pair of thrust bearings mounted into the other end of the bearing brackets, and a first kinetic pressure generating groove formed between any one of the thrust bearings and a section of the rotary shaft.

REFERENCES:
patent: 4859088 (1989-08-01), Fer
patent: 5141338 (1992-08-01), Asada et al.
patent: 5270737 (1993-12-01), Nakasugi et al.
patent: 5559382 (1996-09-01), Oku et al.

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