Patent ID: 6379537
Filing Date: 2002-04-30
Classification: F01M

Abstract:
An oil filter for an internal combustion engine, comprising:a filter housing made of plastic; a filter body disposed in the filter housing; a feed channel for supplying unfiltered oil; a connecting flange attached to the feed channel, wherein the unfiltered oil enters through the connecting flange into the feed channel; a return channel for removing clean oil; a safety wall disposed within the filter housing and radially fitted around the feed channel and the return channel to define a collecting space that surrounds both said channels, wherein the safety wall is integrally formed with the filter housing and is sealed to the connecting flange; and a discharge channel disposed in the collecting space, wherein the feed channel and the return channel are substantially parallel, and an end side of each ends at a different axial distance, and one of said feed channel and return channel axially projects further into the connecting flange.