DEVICE FOR PUMPING WATER OUT OF WELL Russian patent published in 1998 - IPC

Abstract RU 2115832 C1

FIELD: receiving water from wells. SUBSTANCE: upper outer portion of housing 5 is made in form of ball-ellipsoid with taper end-piece 26 and circular bore under ball-ellipsoid. EFFECT: enhanced stability of operation; low cost of operation of object. 3 cl, 3 dwg

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RU 2 115 832 C1

Authors

Shemetov Mikhail Ivanovich

Dates

1998-07-20—Published

1996-03-12—Filed