Air bearing for a spindle

Details Air bearing for a spindle Air bearing for a spindle

1997-12-29

1999-09-28

Hannon, Thomas R.

Bearings

Rotary bearing

Fluid bearing

384109, F16C 3206

Patent

active

059575883

ABSTRACT:
A self-acting air bearing for a pressurized spindle air bearing includes a bearing that is located within a cavity of a housing. The bearing and cavity may be shaped as a segment of a sphere. The spindle may be connected to a pressurized air source which creates an air bearing within a gap that separates the bearing from the housing. The bearing is attached to a shaft that is rotated by a motor. Rotation of the bearing creates a flow of air within the gap. The cavity and/or bearing may have a slot which cooperates with the air flow to increase the pressure of the air bearing.

REFERENCES:
patent: 2919960 (1960-01-01), Whitney
patent: 3385641 (1968-05-01), Foglia
patent: 3622213 (1971-11-01), Onsrud
patent: 4095855 (1978-06-01), Fox
patent: 4671676 (1987-06-01), Chen et al.
patent: 5692840 (1997-12-01), Rhoton et al.
patent: 5789839 (1998-08-01), Langenbeck
patent: 5801464 (1998-09-01), Brezoczky

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