Combination rotary gas bearing and seal apparatus

Details Combination rotary gas bearing and seal apparatus Combination rotary gas bearing and seal apparatus

1984-04-16

1986-05-06

Levy, Stuart S.

Bearings

Rotary bearing

Fluid bearing

384124, 384134, 277 3, F16C 3206, F16J 1540

Patent

active

045868301

ABSTRACT:
Rotary gas bearing and seal apparatus is disclosed which seals a region between the two planar bearing surfaces that is radially offset from the axis of rotation of the bearing. In the preferred embodiment, two arcuate gas sink channels sink the gas of the bearing away from the region. The gas outside the region and the two channels coact to effect the seal. A gas bearing and vacuum seal embodiment using air or alternatively nitrogen as the bearing gas is described.

REFERENCES:
patent: 2695198 (1954-11-01), Brugger
patent: 2814512 (1957-11-01), Quinn et al.
patent: 3733490 (1973-05-01), Roche
patent: 4071253 (1978-01-01), Heinen et al.
patent: 4118042 (1978-10-01), Booth
patent: 4191385 (1980-05-01), Fox
patent: 4205711 (1980-06-01), Lullini et al.
patent: 4361332 (1982-11-01), Logan et al.

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