WELL FILTER Russian patent published in 2001 - IPC

Abstract RU 2166068 C2

FIELD: water supply and drainage for equipment of water wells. SUBSTANCE: gravel deflectors are L-shaped. They are placed in pairs in opposition with clearances between ends. These clearances form slits equal to height of holes between deflectors and to average diameter of gravel of sprinkling outline. Vertical side holes under deflectors and horizontal slits form filtering surface of well filter. EFFECT: increased porosity of well filter. 2 dwg

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RU 2 166 068 C2

Authors

Tkachenko V.P.

Dates

2001-04-27—Published

1998-11-30—Filed