Fuel oil filter assembly
AssigneeFilter Systems, Inc.
InventorWilliam C. Turman
Life of this patent
Estimating the term…
Abstract
An oil filter for connection in the fuel line between a fuel tank and an engine comprises an outer housing with an inlet for connection to the fuel tank and an outlet for connection in the supply line to the engine, an inner filter housing mounted in the outer housing with an open upper end for oil flow into the filter housing and an outlet at its lower end connected to the housing outlet, the filter housing containing a removable filter cartridge for filtering particles from the oil. A water collecting device is connected to the lower end of the outer housing. The filter cartridge is preferably a spirally wound roll of paper which substantially fills the inner housing.
Claims8
An oil filter assembly, comprising:
- an outer housing having upper and lower ends, an inlet for connection to a supply line from a fuel tank and an outlet for connection to the supply line to an engine;
- an inner, filter housing mounted in the outer housing having an open upper end, an outlet at its lower end connected to the outer housing outlet, and an imperforate cylindrical wall extending between the upper and lower ends for directing oil to flow upwardly between the inner and outer housings and downwardly through the open upper end of the inner housing towards the outlet;
- a removable filter cartridge removably mounted in the inner housing for filtering particles from the oil;
- and
- a water collecting device connected to the lower end of the outer housing.
A filter cartridge for use in a fuel oil filter assembly, the cartridge comprising an imperforate dowel and a roll of filter paper spirally wound on the dowel, the dowel projecting from opposite ends of the roll and having handle means at one projecting end for carrying the cartridge, and a transverse retaining pin extending through the opposite end of the dowel and across the end of the roll to retain it on the dowel.
Dependencies are inferred from the claim text.