Patent ID: 8105485

Claim:
Filtering device for filtering liquids in internal combustion engines, the filtering device comprising: a filter housing; a filter element inserted into the filter housing, said filter element having an entry side for unfiltered liquid and a clean side for filtered liquid; a cover disk closing off the filter housing; wherein the cover disk consists of two individual disks forming an intermediate space therebetween; a central hollow flow connection connecting the two individual disks, said central flow connection having a flow opening therethrough, said flow opening in said central flow connection extending through said two individual disks, wherein the two individual disks and the flow connection form a common plastic component, wherein said two individual disks are arranged in parallel to each other, wherein a first one of said two individual disks is a front end disk arranged directly on a front side of said filter element, wherein a second one of said two individual disks is axially spaced outwardly away from said filter element and said front end disk, said second disk having flow-through openings extending therethrough communicating fluid flow through said second disk to said entry side of said filter element, at least one anti-drain valve that is inserted into said second disk spaced outwardly away from said first end disk and said filter element, said at least one anti-drain valve opening in a direction towards said filter element.