Bearings – Rotary bearing – Fluid bearing
Patent
1994-07-22
1996-07-09
Hannon, Thomas R.
Bearings
Rotary bearing
Fluid bearing
384107, F16C 3206
Patent
active
055338127
ABSTRACT:
A thrust plate with grooved surfaces within a hydrodynamic bearing establishes pressure gradients which cause the lubricating fluid for the bearing to reliably remain within the region of the hydrodynamic bearing, with the pressure gradient imposed on the fluid causing the fluid to flow toward the center of the bearing rather than to be caused to be forced outward toward the far end of the bearing which could potentially result in a leakage of the fluid.
REFERENCES:
patent: 3399000 (1968-08-01), Remmers
patent: 4892418 (1990-01-01), Asada et al.
patent: 5127744 (1992-07-01), White et al.
Application of Finite Element Methods to Lubrication: An Engineering Approach, Oct. 1, 1972, Booker J. F./Huebner K. H., Journal of Lubrication Technology.
Analysis and Design of Spiral-Groove Bearings, Jul. 1, 1967, Muljderman, E. A., Journal of Lubrication Technology.
The Load Capacity & Stability Characteristics of Hydrodynamic Grooved Journal Bearings, Oct. 13, 1964, Hirs, G. G., Lubrication Conference.
The Gas Liquid Interface and the Load Capacity of Helical Grooved Journal Bearings, Jan. 1, 1973, Bootsma, J., Journal of Lubrication Technology.
Heine Gunter
Jennings David J.
Leuthold Hans
Nagarathnam Lakshman
Hannon Thomas R.
Seagate Technology Inc.
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