Low profile self-compensated hydrostatic thrust bearing

Details Low profile self-compensated hydrostatic thrust bearing Low profile self-compensated hydrostatic thrust bearing

1994-05-04

1996-07-09

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

384112, F16C 3206

Patent

active

055338143

ABSTRACT:
A novel means for the design of a spindle having a shaft provided with a hydrostatic bearing end surface for resisting axial thrust force upon the end surface, the hydrostatic bearing being a self-compensating beating mounted circumferentially about the shaft near the end surface and having a fluid pressure supply groove providing fluid for the self-compensating bearing, the bearing being mounted upon an axially extending member one end of which serves as part of the end surface of the shaft and the other end of which serves as a reverse thrust surface, along with means for flowing fluid from the pressure supply groove radially across said reverse thrust end surface and through an opening extending axially between the reverse thrust end surface, and the end surface of the shaft, opposing the thrust force with pressure proportional to the axial position of the shaft and related to the degree of fluid compensation in the bearing.

REFERENCES:
patent: 4493610 (1985-01-01), Iino
patent: 4915510 (1990-04-01), Arvidsson
patent: 5042616 (1991-08-01), McHugh

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