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2 080 486

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C1

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IPC

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Application

95104077/06, 1995-03-21

(22)

Actual filing date

1995-03-21

(45)

Published

1997-05-27

(72)

Inventor

Sultanov Bajrak ZakievichGabdrakhimov Mavlitzjan Sagit'JanovichAdnagulova Rauza GabdullovnaGabdrakhimov Nail' Mavlitzjanovich

(73)

Holder

Sultanov Bajrak ZakievichGabdrakhimov Mavlitzjan Sagit'JanovichAdnagulova Rauza GabdullovnaGabdrakhimov Nail' Mavlitzjanovich

LOCK SUPPORT FOR INSERTED OIL-ELL SUCKER-ROD PUMP Russian patent published in 1997 - IPC

Abstract RU 2080486 C1

FIELD: oil recovery. SUBSTANCE: device has housing inside which stepped cylinders engageable with valve gear are mounted. Lock support is provided with spring-loaded plate-type check valve with stroke limiter in its lower portion and extension in its upper portion. Axial and radial passages are shut off by spool valve set in motion by means of cylinder. EFFECT: enhanced reliability. 1 dwg

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RU 2 080 486 C1

Authors

Sultanov Bajrak Zakievich

Gabdrakhimov Mavlitzjan Sagit'Janovich

Adnagulova Rauza Gabdullovna

Gabdrakhimov Nail' Mavlitzjanovich

Dates

1997-05-27—Published

1995-03-21—Filed

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