0595630-A1 is referenced by 78 patents and cites 7 patents.

The invention concerns a diamond thrust bearing assembly for a downhole motor. The assembly (10) includes at least one set of opposing bearing rings (20, 22), each of which has an annular support element (24, 30) and a plurality of PCD compacts (48, 62) carried in circumferentially spaced relationship by the support element. The PCD compacts present opposing bearing surfaces (52, 66) with the bearing surfaces (66) of the compacts of one bearing ring in each set being circumferentially longer than the bearing surfaces (52) of the compacts of the other bearing ring of the set.

Title
Diamond bearing assembly.
Application Number
EP19930308591 19931028
Publication Number
0595630 (A1)
Application Date
October 28, 1993
Publication Date
May 4, 1994
Inventor
Tank Klaus
ZA
Damm Oliver Frank Rudolf Augus
ZA
Assignee
de Beers Ind Diamond
ZA
Csir
ZA
IPC
F16C 17/04
E21B 04/00
F16C 33/04
F16C 17/04
E21B 04/00
F16C 33/26
F16C 17/04
E21B 04/00
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