MULTIROW AXIAL BEARING OF DOWNHOLE MOTOR VERTICAL SHAFT Russian patent published in 2003 - IPC

Abstract RU 2209289 C1

FIELD: axial bearings for downhole hydraulic motors applicable in well drilling. SUBSTANCE: axial bearing includes body, vertical multidiameter shaft whose steps carries rings with rolling thrust bearings located between said rings. Body accommodates concentrically arranged cylindrical bushings whose one ends lean against rings, and the other, against flexible member located in thrust bearing installed in body. EFFECT: simplified design with preserved functional properties. 1 dwg

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RU 2 209 289 C1

Authors

Grigor'Ev P.N.

Grigor'Ev A.P.

Bastrikov S.N.

Borodavkin V.S.

Dates

2003-07-27—Published

2002-07-02—Filed