FILTERING DEVICE OF PERCOLATION TYPE Russian patent published in 2020 - IPC C02F1/28 B01D35/02 

FIELD: water and air purification technology.

SUBSTANCE: invention relates to filtration. Filtering device comprises an outer housing; funnel-shaped separating element (4), which is intended for storage of water subject to filtration, is or can be arranged in external housing and limits in external housing reservoir for storage of filtered water, wherein the funnel-shaped separating element (4) defines flow path (7) for water to be filtered; installation place (17), which is formed in funnel-shaped separating element (4) in flow path (7) for receiving with possibility of first filtering element (10) detachment, wherein first filtering element (10) comprises cartridge-type replaceable filter (101); outlet hole (30), which is intended for filtered water from first filtering element (10), is formed in installation point (17) and provides receiving of second filtering element (11) with possibility of detachment; there is a ventilation hole that places installation place (17) with external side of external housing. Ventilation opening is opened at installation point (17) in the downstream direction along the outlet channel relative to the connecting section. Funnel-shaped separating element (4) comprises first perimeter wall (24) and second perimeter wall (25), between which region (23) is formed, which forms expansion of ventilation hole.

EFFECT: higher quality and efficiency of filtration.

19 cl, 5 dwg