Patent ID: 8114278

Claim:
A fuel filter for diesel fuels, comprising: a housing ( 11 ); and a filter medium ( 12 ); wherein the housing ( 11 ) comprises: at least one inlet ( 17 ) a cup ( 13 ) and a lid ( 14 ), wherein the cup ( 13 ) is connected by a seal holder ( 15 ) to the lid ( 14 ) by crimping; an outlet ( 18 ), a crude side ( 21 ) is defined between the inlet ( 17 ) and the filter medium ( 12 ); a clean side ( 22 ) is defined between the outlet ( 18 ) and the filter medium ( 12 ); and a venting device ( 25 ) is provided between the crude side ( 21 ) and the clean side ( 22 ) which is capable of transporting gases from the crude side ( 21 ) to the clean side ( 22 ), wherein the venting device ( 25 ) has a coarse separator integrated into a filter medium holder ( 24 ); characterized in that between the outlet ( 18 ) and the venting device ( 25 ) an additional fine medium ( 26 ) is connected to a support cage ( 27 ), the support cage ( 27 ) connected to the housing ( 11 ), said fine medium ( 26 ) being capable of separating contaminants contained in the clean side ( 22 ), as fluid flows from the clean side to the outlet ( 18 ).