Patent ID: 9023205
Filing Date: 2015-05-05
Classification: A47J,C02F

Abstract:
1. A suction filter cartridge ( 1 ) comprising: at least one up-current chamber ( 3 a ), wherein at least one filtering medium is present in the at least one up-current chamber, and with at least one down-current chamber ( 2 a ), another chamber ( 60 ) having a bottom wall ( 21 a ) positioned below the down-current chamber ( 2 a ), wherein at least one filtering medium is present in the at least one down-current chamber, which chambers ( 3 a , 2 a ) communicate with one another in an upper connecting chamber of the cartridge, and with an inlet area ( 10 ) arranged upstream of at least one inlet opening ( 14 ) and with an outlet opening ( 20 ) which are both arranged in a bottom area of the cartridge, wherein an outlet sleeve ( 21 ) is present on the outlet opening ( 20 ), wherein the inlet area ( 10 ) surrounds the outlet sleeve ( 21 ) in an annular manner, wherein at least one rotatable adjustment ring ( 50 ) is present on the outlet sleeve ( 21 ), wherein at least one bypass opening ( 26 ) is provided in the bottom wall ( 21 a ) of said another chamber ( 60 ), wherein a closing element ( 54 ) is present on the adjusting ring ( 50 ) and rests against an underside of the bottom wall ( 21 a ) and is position-able over the bypass opening ( 26 ) to permit adjustment of a cross-sectional size of the bypass opening ( 26 ) such that an added amount of untreated crude water can be added to water treated by the at least one filter mediums in a controlled manner.