Patent ID: 8038872

Claim:
A fluid filtering device for the fuel of an internal combustion engine, comprising: a filter housing including: a cover closing an open end of the filter housing; a water collecting chamber arranged within said filter housing; a water outlet connection; and a drainage channel arranged within said filter housing and in fluid flow communication with said water collection chamber, said drainage channel arranged to deliver collected water to the exterior of the filter housing through said water outlet connection; a filter element disposed in said filter housing; and a heating device disposed at the interior side of said cover, said heating device disposed in a flow path of the fluid, said heating device including: a heating support disposed at the interior side of the cover; at least one heating element which is supported by said heating support; and a water outlet connection which is directed outwardly from the housing through a recess in the cover, said water outlet connection one piece with said heating support; wherein said drainage channel is connected with the heating support; and a central tube arranged within said filter element in said filter housing and configured to support said filter element; and at least one sealing lip having a step portion and a ramped portion, said sealing lip having a first sealing lip portion provided on said central tube and a complimentary sealably engaging second sealing lip portion provided on said drainage channel; wherein said second portion of said sealing lip is integrally molded to said drainage channel.