High-load capacity, non-tilting thrust bearing

Details High-load capacity, non-tilting thrust bearing High-load capacity, non-tilting thrust bearing

1975-06-06

1976-06-29

Wood, Jr., M. H.

Cutlery

308168, F16C 1706

Patent

active

039662799

ABSTRACT:
A thrust bearing for supporting a rotating shaft. Rotation of the shaft generates a hydrodynamic film of lubricating fluid between a thrust runner mounted on the shaft and a bearing pad disposed within a bearing housing. A restrictor-compensated channel extending through the bearing pad conducts a portion of the pressurized lubricating fluid from the hydrodynamic film into a pocket, or cavity, disposed on that surface of the bearing pad adjacent the bearing housing. Conduction of pressurized lubricating fluid from the hydrodynamic film into the pocket produces a hydrostatic film of lubricating fluid between the bearing pad and the bearing housing to support the bearing pad away from the bearing housing. Further, a step, or notch, is disposed on the surface of the bearing pad adjacent the thrust runner to both increase the load-carrying capacity of the bearing and to obviate the necessity of the bearing pad tilting to generate the hydrodynamic film.

REFERENCES:
patent: 1227082 (1917-05-01), Seymour, Jr.
patent: 1825519 (1931-09-01), Gordon
patent: 1967048 (1934-07-01), Barnard
patent: 2061966 (1936-11-01), Howarth
patent: 2062920 (1936-12-01), Mapo et al.
patent: 2406505 (1946-08-01), Myers
patent: 2719667 (1955-10-01), Kaczor
patent: 2824521 (1958-02-01), Birkigt
patent: 3893737 (1975-07-01), Tyson

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