FILTERING ELEMENT FOR CLEANING LIQUIDS Russian patent published in 1995 - IPC

FIELD: aircraft and ground facilities filling systems. SUBSTANCE: filtering element has two covers rigidly connected with perforated cylinder and three cylindrical filtering partitions placed between covers. Filtering element has at least four outlet unions in detachable upper cover, at least three pressure indicators pneumatically connected with outlet unions, at least two time meters, each electrically connected with control output of two pressure indicators, and pressure meter pneumatically connected with outlet unions. A t least one outlet union is arranged ahead of each detachable filtering partition, and one outlet union is placed behind last partition in direction of liquid flow. Device provides control over degree of fouling and tightness of element filtering partitions. EFFECT: saving of filtering material and other members. 1 dwg