Patent ID: 8025802

Claim:
An apparatus for the filtration of liquids, having a filter cartridge ( 100 ), which includes a cartridge upper part ( 101 ) with at least one inlet opening ( 102 ), a cartridge lower part ( 110 ) with at least one outlet opening ( 113 ) and a sealing rim ( 160 ), and having an inlet funnel ( 10 ) with a peripheral wall ( 11 ), with a funnel base wall ( 12 ), in which a receiving chamber ( 14 ) is arranged having at least one outflow opening ( 17 ), said chamber having a base wall ( 16 ) and a peripheral wall ( 15 ), and with a receiving opening ( 13 ), which is arranged in the funnel base wall ( 12 ) and into which the filter cartridge ( 100 ) can be fitted from above, the sealing rim ( 160 ) of the filter cartridge ( 100 ) bearing against the edge of the receiving opening ( 13 ), wherein the inlet funnel ( 10 ) has at least one first latching element ( 30 ) below the receiving opening ( 13 ), and wherein the filter cartridge ( 100 ) has at least one second latching element ( 130 ) in a region of a bottom third of the filter cartridge, said latching elements ( 30 , 130 ), when the filter cartridge ( 100 ) is being fitted in the axial direction, engaging each other so as to indicate to a user when the cartridge is in position and to define the sealing position of the filter cartridge ( 100 ) and the fixing forces are adjusted such that the filter cartridge ( 100 ) can be removed by being pulled out of the receiving opening ( 13 ) in the axial direction, wherein the latching elements comprise latching bosses ( 38 ), latching recesses ( 138 ) or annular beads ( 34 , 135 ) and the latching elements axially fix the filter cartridge in the apparatus.