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2 022 172

(13)

(51)

IPC

(21) (22)

Application

5013215/29, 1991-09-16

(22)

Actual filing date

1991-09-16

(45)

Published

1994-10-30

(72)

Inventor

Kurbanov Nariman Gusejn Kuli Ogly[Az]

(73)

Holder

Azerbajdzhanskij Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Neftjanogo Mashinostroenija

WELL PUMPING PLANT Russian patent published in 1994 - IPC

Abstract RU 2022172 C1

FIELD: well pumps. SUBSTANCE: well pump is connected with ground drive by means of pump rod string. Ground drive is made in form of beamless crank pumping jack with shaped crank with counterweights. Axis of symmetry of crank forms phase angle with center line of counterweights. Crank has holes in zone of connection with connecting rod in range of phase angle. Connecting rod is jointed for adjusting the length (in form of turn-buckle). EFFECT: enhanced reliability. 6 dwg

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RU 2 022 172 C1

Authors

Kurbanov Nariman Gusejn Kuli Ogly[Az]

Dates

1994-10-30—Published

1991-09-16—Filed