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AssigneeRobert Bosch GmbH
InventorsVolker Brielmann, Carlos J. Blasco Remacha, Miguel Granda, Matthias Gaenswein, Vasco Gomes Gama
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A fuel filter having a filter element for filtering out particles and water from a fuel flowing through the fuel filter and having a water drainage unit for conveying filtered-out water out of the fuel filter, in which the water drainage unit is embodied as a stand-alone unit that may be separated from the filter element as needed. Also a semipermeable membrane that is permeable to water rests flat on a support. Alternatively or in addition, the water drainage unit is provided with a porous element for the evaporation of the separated water. In another embodiment two water-permeable semipermeable and hydrophilic membranes are provided. Finally, the filter element is embodied essentially in the form of a hollow cylinder in which at least part of the water drainage unit may be situated on the interior of the hollow cylinder.
A fuel filter comprising a filter element for filtering out particles and water from a fuel flowing through the fuel filter, a stand-alone water drainage unit for conveying filtered-out water out of the fuel filter, and means operably connecting the water drainage unit and the filter element whereby the water drainage unit may be separated from the filter element as needed,
Dependencies are inferred from the claim text.