Aluminide coated bearing elements for roller cutter drill bits

Details Aluminide coated bearing elements for roller cutter drill bits Aluminide coated bearing elements for roller cutter drill bits

1991-07-05

1992-11-10

Footland, Lenard A.

Bearings

Rotary bearing

Roller drill bit

384912, 384913, 384901, F16C 1712

Patent

active

051618982

ABSTRACT:
A roller cutter drill bit (10) has separate bearing elements (82, 84, 86) positioned between a journal (20) and a roller cutter (60) mounted for rotation on the journal (20). The bearing elements (82, 84, 86) are formed of a superalloy material and the bearing surfaces of the bearing elements (82, 84, 86) have an aluminide coating applied thereon to form a bearing surface stable at operating temperatures over 500 F. and as high as 1000 F.

REFERENCES:
patent: 3235316 (1966-02-01), Whanger
patent: 3544348 (1970-12-01), Boone et al.
patent: 3674575 (1972-07-01), Prill et al.
patent: 3721307 (1973-03-01), Mayo
patent: 3917361 (1975-11-01), Murdoch
patent: 3990751 (1976-11-01), Murdoch
patent: 3995917 (1976-12-01), Quinlan
patent: 4012238 (1977-03-01), Scales
patent: 4074922 (1978-02-01), Murdoch
patent: 4102838 (1978-07-01), Scales
patent: 4105263 (1978-08-01), Sorensen et al.
patent: 4109974 (1978-08-01), Svanstrom et al.
patent: 4132816 (1979-02-01), Benden et al.
patent: 4142023 (1979-02-01), Bornstein et al.
patent: 4323284 (1982-04-01), Childers et al.
patent: 4416554 (1983-11-01), Pribbenow
patent: 4439050 (1984-03-01), Garner
patent: 4618269 (1986-10-01), Bradrak et al.
patent: 4641976 (1987-02-01), Kar
patent: 4769210 (1988-09-01), Campbell
patent: 4897315 (1990-01-01), Gupta
patent: 4910092 (1990-03-01), Olson et al.
patent: 4944858 (1990-07-01), Murphy et al.
patent: 4969378 (1990-11-01), Lu et al.
patent: 4983239 (1990-06-01), Olson et al.

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