Multifluid application in hydrodynamic fluid bearing to reduce e

Details Multifluid application in hydrodynamic fluid bearing to reduce e Multifluid application in hydrodynamic fluid bearing to reduce e

1998-04-22

1999-12-07

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

384112, F16C 1710

Patent

active

059971797

ABSTRACT:
The hydrodynamic bearing gap from one end to the other of the shaft and sleeve combination is effectively separated into sections, with the fluid in each bearing section being contained within that section. The viscosity of the fluid in each bearing section can then be selected to optimize the characteristics of the entire hydrodynamic bearing. Typically, the sections of the bearing adjacent each open end of the bearing would be filled with a fluid with relatively high viscosity. The remaining sections, toward the center of bearing, would typically be filled with a lower viscosity fluid, liquid or gas so that the power consumption within the motor itself would be minimized.

REFERENCES:
patent: 4938611 (1990-07-01), Nii et al.
patent: 4967831 (1990-11-01), Leland

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