Patent ID: 8114284

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 ) 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 an edge of the receiving opening ( 13 ), wherein the inlet funnel ( 10 ) has at least one first guide element ( 30 ) below the receiving opening ( 13 ), wherein the filter cartridge ( 100 ) has at least one second guide element ( 130 ) below and at a distance from the sealing rim ( 160 ), which at least one second guide element, when the filter cartridge ( 100 ) is being fitted into the receiving opening ( 13 ), interacts with the at least one first guide element ( 30 ), wherein one of the at least one first guide element is a first indentation, wherein the cartridge lower part comprises a bottom wall of the filter cartridge, wherein a second indentation is provided in the bottom wall of the filter cartridge, and wherein one of the at least one second guide element is an outwardly facing mandrel arranged in the second indentation.