Patent ID: 8216451

Claim:
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 bearing against the edge of the receiving opening ( 13 ), a receiving chamber ( 14 ), which has at least one outflow opening ( 17 ) as well as a peripheral wall ( 15 ) and base wall ( 16 ), extending downwards from the receiving opening, wherein the inlet funnel ( 10 ) has an at least one first fixing means ( 30 ) below the receiving opening ( 13 ), the filter cartridge ( 100 ) has an at least one second fixing means ( 130 ) below and at a distance from the sealing rim ( 160 ), wherein the at least one second fixing means interacts with the at least one first fixing means ( 30 ) when the filter cartridge ( 100 ) is being fitted into the receiving opening ( 13 ), so that the at least one first and second fixing means ( 30 , 130 ) indicate to a user when the cartridge is in position, define the position of the filter cartridge ( 100 ), and fix the cartridge axially in place and that at least one first fixing means ( 30 ) and/or the at least one second fixing means ( 130 ) forms a throttling device ( 200 , 200 ′), to reduce the flow quantity delivered by the filter cartridge ( 100 ).