FILTER CARTRIDGE FOR WATER WITH PROTECTION OF THE TANK FROM LIME DEPOSITS Russian patent published in 2021 - IPC B01D27/00 C02F1/42 C02F5/00 A47J31/44 

FIELD: water filtration.

SUBSTANCE: invention concerns a filter cartridge for water. The water filter cartridge contains a housing and an attachment element located on the filter side to a container for installation in a water container, in particular in a water container of a household appliance, and a filter section for water treatment taken from this water container. The cartridge is characterized in that it contains a spare chamber with an anti-sediment formation agent in a water tank, and this spare chamber is made separately from the filter section and its flow guide for water flowing through this filter section for the purpose of its treatment, so that no water flowing through this filter section comes into contact with the anti-sediment formation agent, and that this spare chamber has at least one passageway for the agent, by means of which the specified anti-sediment formation agent comes into contact with unfiltered water in a water tank.

EFFECT: prevention of the formation of lime deposits.

13 cl, 3 dwg