WATER TANK WITH FILTER CARTRIDGE Russian patent published in 2024 - IPC B01D35/27 B01D27/08 

FIELD: household appliances.

SUBSTANCE: water tank for a household appliance with a connection for a filter cartridge. The water tank has a ring-shaped sealing surface at the bottom for sealing the filter cartridge. The sealing surface surrounds a through hole in the bottom of the tank designed to allow water to flow from the filter cartridge through the bottom wall of the tank into the appliance. The sealing surface of the tank has a variable radius along its circumference relative to the central axis, so that the sealing surface of the tank has radial concavities and radial convexities, while the convexities and concavities have a rounded shape and are made to periodically oscillate along the circumference.

EFFECT: effective fixation of the filter cartridge in the tank.

21 cl, 18 dwg