Hydrodynamic bearing system

Details Hydrodynamic bearing system Hydrodynamic bearing system

1991-07-23

1992-03-17

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

384113, 384292, 384909, F16C 1710

Patent

active

050963090

ABSTRACT:
A hydrodynamic bearing system comprises a shaft, a sleeve rotatably fitted on the shaft and a thrust plate fixed to the sleeve and acting to support one end of the shaft in a thrust direction. First shallow grooves are formed in at least one of fitted surfaces of the shaft and of the sleeve to support one of the shaft and the sleeve with respect to the other in a radial direction, and a second shallow groove is formed in at least one of the shaft and the thrust plate with respect to the other in a thrust direction. The thrust plate is made of material including resin material as a main component and has an outside periphery portion with a thickness thicker than that of an inside periphery portion thereof.

REFERENCES:
patent: 3837716 (1974-09-01), Allen et al.
patent: 4652149 (1987-03-01), Nakaoko et al.
patent: 4798476 (1989-01-01), Sakatani et al.
patent: 4875263 (1989-10-01), Furumura
patent: 4883367 (1989-11-01), Maruyama

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