Fuel filter contained in a fuel tank
AssigneesKyosan Denki Co., Ltd., Nippondenso Co., Ltd.
InventorsKoichi Ito, Keiichi Yamashita, Yoshifumi Ina
Life of this patent
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Abstract
A fuel filter contained in a fuel tank improves fuel permeability without deteriorating foreign matter catching ability. Filter cloths of the fuel filter is of a double structure wherein an outer (or inner) filter is of a plain weave, while an inner (or outer) filter is of a tatami-facing like weave.
Claims14
In a fuel filter provided in a fuel tank for filtering fuel which is sucked by a fuel pump, said fuel filter comprising:
- an inner filter cloth formed of plain woven filter cloth for removing foreign matter in the fuel;
- an outer filter cloth formed of tatami-type woven filter cloth of high fuel permeability, said outer filter cloth being overlapped with said inner filter cloth so as to contact one another;
- and
- frame means for providing an inner space closed by said inner and outer filter cloths so that said fuel pump sucks a filtered fuel in said inner space;
- wherein said outer fiber cloth contacts the bottom surface of said fuel tank.
In a fuel filter provided in a fuel tank and mounted on a suction port of a fuel pump for sucking fuel in said fuel tank from said suction port, said fuel filter filtering fuel which is sucked by said fuel pump and supplying said fuel to an internal combustion engine, said fuel filter comprising;
- an inner filter cloth formed of plain woven filter cloth for removing foreign matter in the fuel;
- an outer filter cloth formed of tatami-type woven filter cloth of high fuel permeability, said outer filter cloth being overlapped with said inner filter cloth so as to contact one another;
- and
- frame means for providing an inner space closed by said inner and outer filter cloths so that said fuel pump sucks a filtered fuel in said inner space;
- wherein said outer fiber cloth contacts the bottom surface of said fuel tank.
Dependencies are inferred from the claim text.