Gas-lubricated bearings

Details Gas-lubricated bearings Gas-lubricated bearings

1980-11-24

1983-04-19

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

F16C 3206

Patent

active

043803555

ABSTRACT:
A hydrodynamic gas-lubricated bearing comprises a rotor with a smooth bearing surface, and a fixed bearing plate with a grooved surface. The grooves are of spiral configuration being separated by lands, the top surface of each of which has a convex profile. The central portion of the surface is raised above the edges so that wedge-shape regions are formed between the surface of the rotor on both sides of the central portion. The surface of the fixed bearing plate may be formed with an overall convex surface. The grooved surface of the fixed bearing plate is made by forming a pattern of grooves in a smooth blank and subsequently rounding off the top surface of the lands by rotating the bearing plate under pressure against a soft abrasive cloth.

REFERENCES:
patent: 3870382 (1975-03-01), Reinhoudt
patent: 4007974 (1977-02-01), Huber
patent: 4315660 (1982-02-01), Glienicke

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