Patent ID: 7485219
Filing Date: 2009-02-03
Classification: B01D,F02M

Abstract:
1. A fuel module comprising a fuel tank and a fuel filter, said fuel tank having a wall which encloses the volume of the fuel tank, said wall having an opening in the area of the fuel filter, and said fuel filter being sealed to the wall in the vicinity of said opening, wherein the fuel filter comprises a filter medium which separates water from fuel passed through said filter, and wherein the fuel filter further comprises a water storage unit disposed within the fuel filter for receiving water separated from the fuel, wherein the fuel filter includes a pre-heating unit for heating the fuel and a degassing device downstream from the pre-heating unit, the fuel entering the fuel filter through a fuel return pipeline reaches a distributor space from where it enters a tank return pipeline and a conveying pipeline, the conveying pipeline including a nozzle through which a defined jet of fuel passes, a valve, disposed in the tank return pipeline, is configured to regulate pressure in the conveving pipeline, a mixing space, connected to the nozzle and a borehole, is disposed after the nozzle in the flow direction, the borehole connecting the mixing space via an air pipeline with a gas collection space, and the pre-heating unit, the degassing device, the valve, and the tank return and conveying pipelines are configured as a compact unit in an upper part of the fuel module.