FIELD: engines and pumps.
SUBSTANCE: proposed tube to be fitted on drinking water bottle neck is furnished with water filter made of hydrophilic porous cylindrical material tightly butting tube top inner surface. Note here that cylinder height makes 0.3-2.0 of the tube inner diameter. Diameter of fluid filter pores varies from 1 to 100 mcm. Inlet tube is composed of two interconnected between identical top and bottom tubes each having cylindrical ledge on bottom end and main cylindrical part. Outer diameter of said cylindrical part equals ledge inner diameter and pump bottom bore diameter, while fluid filter is located under top edge of top pump at the distance equal to the length of its part that enters the pump bottom bore. Metal, ceramics or cermet can be used as fluid filter material.
EFFECT: higher quality of drinking water.
4 cl, 2 dwg
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