FLUID FILTER Russian patent published in 2003 - IPC

FIELD: purification of fluids. SUBSTANCE: filter for purification of fluid has casing with branch pipes for admission and discharge of fluid to be purified, branch pipe for withdrawal of filtrate, filter element installed in filter casing and sleeve turned with its bottom up for creation and holding of air lock in its upper part. Turned over sleeve is installed in cavity of filter element with formation of cavity for collection of filtrate between sleeve external surface and internal surface of filter element. EFFECT: increased output and time of useful operation of filter. 1 dwg