SPINDLE OF FACE MOTOR Russian patent published in 1994 - IPC

Abstract RU 2011776 C1

FIELD: mining industry. SUBSTANCE: invention deals with face motors for drilling of oil and gas wells. Spindle has body, shaft, rubber-and-metal axial support composed of discs and thrust bearing, radial bearings. Upper radial bearing consists of bushing put on shaft and bushing anchored in body. Elastic cylindrical member made of durable material with low friction coefficient is placed between bushings. Compression spring is vulcanized in elastic member. In upper part elastic member rests against disc anchored in body, in lower part elastic member rests against disc mounted on shaft. EFFECT: enhanced efficiency of motor. 2 cl, 2 dwg

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RU 2 011 776 C1

Authors

Shajdakov V.V.

Kravtsov A.I.

Ishemguzhin E.I.

Konjukhov I.N.

Dates

1994-04-30—Published

1989-09-18—Filed