Patent ID: 9121376
Filing Date: 2015-09-01
Classification: B01D,F02M

Abstract:
1. A fuel filter comprising: a housing enclosing a filter chamber within, the housing including a filter element arranged within the filter chamber, the filter element tightly separating the fuel inlet from the fuel outlet, wherein the filter element includes a water separation unit including a frontal end plate secured to an axial end of the filter medium and having a central opening extending therethrough; a central tube arranged on an interior side of the frontal end plate positioned radially outwardly of and circumferentially surrounding the central opening; a first coalescence medium supported on the central tube and arranged between the filter medium and the central tube, wherein the filter medium and first coalescence medium circumferentially surround the central tube; wherein an axially extending precipitation gap is provided in radial spacing between the central tube and the support cage, the precipitation gap connected with the water outlet; wherein the central tube has a grid structure having a plurality of fluid impermeable axially extending struts, wherein the plurality of axially extending struts of the central tube are angularly offset radially across the precipitation gap from the plurality of axial struts of the support cage.