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2 301 356

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IPC

F04B47/02(2006-01-01)

(21) (22)

Application

2006100996/06, 2006-01-10

(24)

Start date

2006-01-10

(22)

Actual filing date

2006-01-10

(45)

Published

2007-06-20

(72)

Inventor

Dautov Tagir MikhajlovichTakhautdinov Shafagat FakhrazovichOgnev Mikhail EfimovichTorkhov Igor' NikolaevichKljuev Sergej IvanovichValovskij Vladimir MikhajlovichIbragimov Nail' GabdulbarievichAkhmetvaliev Ramil' NafisovichShamsutdinov Ilgizjar Gaptnurovich

(73)

Holder

Oao Zavod Neftjanogo Mashinostroenija"Oao Im. V.D. Shashina

CHAIN DRIVE OF OIL-WELL SUCKER-ROD PUMP Russian patent published in 2007 - IPC F04B47/02

Abstract RU 2301356 C1

FIELD: oil producing industry.

SUBSTANCE: invention can be used for lifting liquid from well. Proposed chain drive of oil-well sucker-rod pump has frame and open type recoil metal structure mounted ion frame. Said metal structure carries engine, reduction gear, mechanism converting rotary motion into vertical reciprocating motion. It includes chain drive driving and driven sprockets coupled with counterweight installed in guides and connected through open flexible link sucker-rod string. Guides are detachable of rhombic shape in cross section, and their diagonal plane is aligned with middle plane of chain drive. In specific case, guide are made square in cross section and their working faces are arranged at angle of 45° to middle plane of chain drive, being symmetrical to said plane.

EFFECT: improved reparability, increased service life and reduced expenses for servicing.

2 cl, 4 dwg

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RU 2 301 356 C1

Authors

Dautov Tagir Mikhajlovich

Takhautdinov Shafagat Fakhrazovich

Ognev Mikhail Efimovich

Torkhov Igor' Nikolaevich

Kljuev Sergej Ivanovich

Valovskij Vladimir Mikhajlovich

Ibragimov Nail' Gabdulbarievich

Akhmetvaliev Ramil' Nafisovich

Shamsutdinov Ilgizjar Gaptnurovich

Dates

2007-06-20—Published

2006-01-10—Filed