Bearings – Rotary bearing – Fluid bearing
Patent
1986-06-12
1988-02-23
Levy, Stuart S.
Bearings
Rotary bearing
Fluid bearing
384123, 384125, 384426, F16C 3206, F16C 1706
Patent
active
047266953
ABSTRACT:
A hydrodynamic thrust bearing adapted for positioning between a fixed base and a moving member spaced from said fixed base, the moving member having a rigid flat face confronting the fixed base, wherein the hydrodynamic thrust bearing includes a thin metal disk having undulations extending radially outward from the center of the disk in a symmetrical manner throughout one entire surface of the metal disk, and a planar face on the other side, the disk is positioned between the fixed base and the rigid flat face of the moving member whereby the undulations of the disk are in contact with the rigid flat face and the planar face is in contact with the fixed base, lubricant is supplied between the disk undulation and the confronting rigid flat face of the moving member whereby thrust movement relative to the disk will produce a very thin film of lubricant between the undulations of the disk and the cooperating rigid flat face of the fixed base.
REFERENCES:
patent: 1457081 (1923-05-01), Lieber
patent: 2615766 (1952-10-01), Wallace
patent: 3364866 (1968-01-01), Sato
patent: 3788713 (1974-01-01), Kraus
patent: 4315660 (1982-02-01), Glienicke
patent: 4385845 (1983-05-01), Hoshino
Fuller, Dudley D., Theory and Practice of Lubrication for Engineers, John Wiley & Sons, 12/84, pp. 452-469.
Anatech, Inc.
Hannon Thomas R.
Levy Stuart S.
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