PORTABLE FILTER FOR WATER TREATMENT IN FIELD AND EXTREME CONDITIONS Russian patent published in 2017 - IPC C02F1/00 B01D35/26 

FIELD: chemistry.

SUBSTANCE: portable filter consists of intake prefilter rough cleaning, a suction tube, connectable to the supply of switchable inlet valve input water to be purified and a housing consisting of two coaxial mutually compressed cylindrical cup, capable of moving along a common axis relative to each other, forming a sealed chamber of variable volume limited by abutments on the walls of the cup comprising a bottom glass filter element provided at a closed outlet valve from the outlet nozzle ochishch constant of water, and the upper glass - additional container communicating with a cavity of variable volume. At the output of the additional capacity, a locking device and a pressure reducing valve are installed in the variable-capacity vessel, and the container itself is provided with an inlet valve for filling it with liquefied gas.

EFFECT: development of a compact, easy-to-maintain individual filter for water treatment in the field, which allows to intensify the process of obtaining drinking water without using physical efforts.

2 cl, 1 dwg