초록 ▼

The present invention describes a fuel filter assembly useful in the purification of fuels such as diesel, gasoline, jet fuel, kerosene, heating oil and similar liquids. The fuel filter assembled herein described separates solids and semisolids particulates such as algae, microbial growth, fungi and

The present invention describes a fuel filter assembly useful in the purification of fuels such as diesel, gasoline, jet fuel, kerosene, heating oil and similar liquids. The fuel filter assembled herein described separates solids and semisolids particulates such as algae, microbial growth, fungi and the like from fuel, providing a much cleaner fuel to secondary fuel system, engine and fuel consuming devices. The said fuel filtering assembly comprises a removable lid mounted at the top of an upright vertical housing, a non-disposable removable filter unit enclosed in the internal cavity of the said housing and a multi-purpose base comprising fuel inlet and fuel outlet as internal passages within the said base.

대표청구항 ▼

What is claimed is: 1. A fuel filter assembly suitable to separate solid and semisolid particulate or contaminants from fuels and similar liquids, said fuel filter assembly comprising: a) a vertical upright housing comprising an upper end and a lower end; b) a removable lid comprising two concentri

What is claimed is: 1. A fuel filter assembly suitable to separate solid and semisolid particulate or contaminants from fuels and similar liquids, said fuel filter assembly comprising: a) a vertical upright housing comprising an upper end and a lower end; b) a removable lid comprising two concentric cylindrical sections wherein one of such cylindrical sections is wider in diameter than the other cylindrical section; an aperture that passes through substantially the center of said lid; an annular sealing ring inserted around the walls of the cylindrical section with smaller diameter and wherein said cylindrical section with smaller diameter is tightly inserted into the upper end of the vertical upright housing; c) a threaded fastening element that passes through the aperture of the lid; said threaded fastening element comprising a handle at its upper section and a threaded lower end; d) a base located at the lower end of the said vertical upright housing, said base comprising an outer cylindrical section; an inner cylindrical section located substantially at the center of the outer cylindrical section wherein said outer cylindrical section is wider in diameter than the inner cylindrical section and wherein said outer cylindrical section and said inner cylindrical section physically constitute a single unit; an annular sealing ring inserted around the walls of the inner cylindrical unit and wherein the inner cylindrical section is tightly inserted into the lower end of the vertical upright housing; a fuel flow inlet and a fuel flow outlet, wherein: the fuel flow inlet is formed by: a first conduit having a threaded first end and a threaded second end, wherein the first end is located substantially at the center of the base and is in direct communication with the second end, wherein said second end is located at the lateral side of the outer cylindrical section of the base and; the fuel flow outlet is constituted by: a second conduit having a first end, located at the upper surface of the inner cylindrical unit and in direct communication with a second end, said second end located at the lateral side of the outer cylindrical section of said base and wherein said second end is threaded; wherein the first conduit constituting the fuel flow inlet and the second conduit constituting the fuel flow outlet are totally independent channels; e) a removable, non disposable filtering unit enclosed in the interior section of said housing, said filtering unit comprising a main body, having multiple mesh-type openings on its surface; wherein the lateral borders of said main body are folded in a zig-zag or star pattern and wherein the top end of said main body is totally open; and a flat bottom surface located at the lower end of said main body, said flat bottom surface having a hole substantially at its center; f) a fuel delivering unit for delivering the unfiltered fuel flow from said fuel flow inlet to the upper part of the filtering unit; said fuel delivering unit comprising a hollow tube having an internally threaded upper end; an externally threaded lower end and a lateral aperture at its upper section, wherein said hollow tube is threaded at its upper end to the fastening element and at its lower end to the first end to the fuel flow inlet, thus allowing the entrance of the unfiltered fuel flow at the internal section of the housing and discharging it from the upper part of the filtering unit via said lateral aperture. 2. The fuel filter assembly of claim 1 wherein the handle at the upper section of the fastening element is a T-shaped handle. 3. The fuel filter assembly of claim 1, further comprising a pressure element inserted in said fuel delivering unit and pressed between said filtering unit and said base, in order that once said fuel filter assembly is open, said pressure element push the filtering unit upper end forwardly, facilitating the removal of said fuel filter unit out of said housing. 4. The fuel filter assembly of claim 1, wherein said removable, non disposable filtering unit has a mesh size on a range of about 30 to 160 mesh. 5. The fuel filter assembly of claim 4, wherein said removable, non disposable filtering unit has a mesh size on a range of about 40 to 150 mesh. 6. The fuel filter assembly of claim 1, wherein said removable, non disposable filtering unit is made of a fuel-resistant plastic material. 7. The fuel filter assembly of claim 1, wherein said removable, non disposable filtering unit comprises a metal wire mesh lateral surface. 8. The fuel filter assembly of claim 7, wherein said metal is selected from stainless steel, copper, aluminum, brass, bonze, any other similar metal or combinations thereof. 9. The fuel filter system of claim 1, further comprising a removable, mesh type, second filtering unit inserted into the mesh type, hollow zigzag first filtering unit, said second filtering unit having a cylindrical shape and multiple openings around its lateral surface. 10. The fuel filter assembly of claim 9, wherein said second removable, non disposable internal filtering unit has a mesh size on a range of about 30 to 160 mesh. 11. The fuel filter assembly of claim 10, wherein said second removable, non disposable internal filter subunit has a mesh size on a range of about 40 to 150 mesh. 12. The filter assembly of claim 9, wherein said second removable internal filtering unit comprises a metal wire mesh lateral surface. 13. The fuel filter assembly of claim 12, wherein the said metal is selected from stainless steel, copper, aluminum, brass, bonze, any other similar metal or combinations thereof. 14. The fuel filter assembly of claim 9, wherein said removable internal filtering unit is made of a fuel resistant plastic material. 15. The fuel filtering of claim 9, wherein the mesh openings on the surface of the hollow zigzag filtering unit are relatively smaller than the openings on the surface of the second internal filtering subunit. 16. A fuel filter assembly, suitable to separate algae and microbial growth from fuels, wherein said fuel filter assembly comprises: a) a vertical upright housing having an upper end and a lower end; b) a removable lid located in the upper end of said vertical upright housing; c) a threaded fastening element that passes through the aperture of the lid; said threaded fastening element comprising a handle at its upper section and a threaded lower end; d) a base located at the lower end of said vertical upright housing, said base comprising a fuel flow inlet and a fuel flow outlet; wherein said fuel flow inlet and said fuel flow outlet communicate independently from each other with the internal cavity of the said housing; e) a removable non disposable filtering unit enclosed in the interior section of said housing, said filtering unit comprising a main body, having multiple mesh-type openings on its surface; wherein the lateral borders of said main body are folded in a zig-zag or star pattern and wherein the top end of said main body is totally open; and a flat bottom surface located at the lower end of said main body, said flat bottom surface having a hole substantially at its center; f) a fuel delivering unit for delivering the unfiltered fuel flow from said fuel flow inlet to said upper part of said filtering unit; said fuel delivering unit comprising a hollow tube having an internally threaded upper end; an externally threaded lower end and a lateral aperture at the upper section, wherein said hollow tube is threaded at its upper end to the fastening element and threaded at its lower end to the fuel flow inlet thus allowing the discharge of unfiltered unit at the interior of the filtering unit via its the lateral aperture; g) a pressure element inserted in said fuel delivering unit wherein said pressure element is pushed between the filtering unit and the base and that once said fuel filter assembly is open, said pressure element push the filtering unit upper end forwardly, facilitating the removal of said fuel filter unit out of said housing.