DEEP-WELL PUMPING UNIT Russian patent published in 2002 - IPC

Abstract RU 2180408 C2

FIELD: water lifting from deep wells and pits. SUBSTANCE: pressure pipeline is placed inside drive pipeline, i.e. pipe-in-pipe structure is used. Piston of hydraulic pulsar is placed in drive pipeline and is made in form of ring enclosing pressure pipeline. EFFECT: simplified design, reduced overall dimension, possibility of lifting water from small-diameter wells and pits. 2 dwg

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RU 2 180 408 C2

Authors

Gusejnov R.G.

Lozbin S.Ju.

Dates

2002-03-10—Published

2000-04-03—Filed