Thrust bearing

Details Thrust bearing Thrust bearing

1998-12-10

2000-07-18

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

384307, F16C 1706

Patent

active

060897546

ABSTRACT:
A thrust bearing for use with a shaft having a collar mounted thereon, comprises a base ring, a series of thrust bearing shoes positioned on the base ring, each shoe having a leading edge connected to a trailing edge by an inner diameter edge and an outer diameter edge, each thrust bearing shoe having a working face with a bearing liner on its surface, a shoe pivot member on each shoe allowing the shoe to pivot in any direction, an oil distribution groove formed in the working face of each shoe near the leading edge of each shoe and extending radially for substantially the entire distance between the inner and outer diameter edges of each shoe, each oil distribution groove having an inner end and an outer end connected by a leading edge and a trailing edge, an oil feed line leading to each oil distribution groove for feeding oil to each oil distribution groove, and a recess formed in the working face of each shoe commencing at the trailing edge of the oil distribution groove and extending rearwardly therefrom to develop hydrodynamic film pressure on the leading edge of each shoe to ensure that each shoe tilts properly at light loads.

REFERENCES:
patent: 4501505 (1985-02-01), Chambers
patent: 5007745 (1991-04-01), Ball et al.

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