Flex Fuel Filter with Higher Dust Holding Capacity

Fernando Jun Yoshino; Gisela Ablas Marques; Luiz Carlos Fritz; Bruno de Aquiar; Fabio Moreira

doi:10.4271/2011-36-0213

The flex-fuel engine technology evolution and bio fuels increasingly market presence brings new challenges on components development requirements. One of the affected products is the fuel filter, where downsizing, dust holding capacity and filtration efficiency are the improvement goals.

In order to attend these market demands, MAHLE has developed a new flex-fuel filter generation. This new product is able to double the dust holding capacity while maintaining the filtration efficiency. In addition, new product dimensions, like body diameter and distance between inlet and outlet, are the same found in current solutions. In this way, it can be used in many vehicles with none or few modifications at interface components.

First optimization was done through changes in filter housing design and fuel system line connectors. Second optimization was single layer cellulose media improvement to multilayer concept. Comparative tests between this new flex-fuel filter generation and current solution was done to confirm performance improvement.

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Flex Fuel Filter with Higher Dust Holding Capacity 2011-36-0213

SAE MOBILUS