Thrust bearing for use in downhole drilling systems

Details Thrust bearing for use in downhole drilling systems Thrust bearing for use in downhole drilling systems

1994-10-14

1996-01-02

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

384304, F16C 1704

Patent

active

054802334

ABSTRACT:
A thrust bearing for use in downhole drilling systems employing fluid motors having a stator retaining ring and a rotor retaining ring. These rings have a plurality of bearing inserts. The bearing insert surfaces of the rotor contact the bearing surfaces of the stator. The studs which make up the bearing surface have a threaded bolt secured thereto. The threaded bolt extends through a plurality of threaded holes in each of the retaining rings. The studs and bolt may be removed or inserted by use of a simple hand tool, such as an Allen wrench.

REFERENCES:
patent: T102901 (1983-04-01), Offenbacher
patent: 4410054 (1983-10-01), Nagel et al.
patent: 4468138 (1984-08-01), Nagel
patent: 4620601 (1986-11-01), Nagel
patent: 4629013 (1986-12-01), Krueger
patent: 4708496 (1987-11-01), McPherson
patent: 5092687 (1992-03-01), Hall

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