Gas bearing system

Details Gas bearing system Gas bearing system

2007-10-23

2007-10-23

Hannon, Thomas R. (Department: 3682)

Bearings

Linear bearing

Fluid bearing

C384S100000

Reexamination Certificate

active

10539368

ABSTRACT:
A gas bearing system comprising two opposing substantially parallel bearing surfaces (2, 3) and at least one gas duct (6) for supplying gas through an orifice (7) to the bearing gap (5) between the bearing surfaces (2, 3). At least one of the bearing surfaces (2, 3) is provided with at least one cavity (8, 9) extending over 0.3 mm2to 3 mm2of the at least one bearing surface (2, 3). The content of the cavity (8, 9) may be between 0.3 mm3and 4 mm3. The gas duct (6) may supply gas to the cavity (8) through an orifice (7) in the wall of the cavity (8).

REFERENCES:
patent: 3981546 (1976-09-01), Sperman
patent: 4448460 (1984-05-01), Yamamoto
patent: 4844194 (1989-07-01), De Alessi et al.
patent: 5106204 (1992-04-01), Dunham
patent: 5518360 (1996-05-01), Toda et al.
patent: 6164827 (2000-12-01), Eitzenberger
patent: 2004/0161179 (2004-08-01), Zywno

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