DEVICE FOR ACTIVATION OF FLOW CUT-OFF VALVE IN FILTRATION SYSTEMS USING REPLACEABLE CARTRIDGES Russian patent published in 2022 - IPC C02F1/00 B01D35/30 

FIELD: filtration.

SUBSTANCE: invention can be used in percolation filtration systems, as well as for obtaining water and beverages. Filtration device (1) with replaceable cartridges (6) contains separating element (13), upper compartment (1A) for filterable water, and lower compartment (1B) for filtered water, valve passage (7) with a hole for drainage from compartment (1A) to compartment (1B), inside which a valve plug, and an activator designed to cut off the flow are placed. The activator contains a lifting device and a holder for insertion to valve passage (7) of a cut-off valve, equipped with an elastically deformed section forming a saddle, in which a section of the valve plug can be clamped and retained in the direction of its opening. The lifting device contains an elastic element for preloading the holder in the direction of lifting after a contact with an interface surface of filtration system (1).

EFFECT: reliability and effective valve opening are provided.

22 cl, 44 dwg