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US 2002/0162777 A1Published application
Fuel filter and dryer
OwnerRichard A. Baahinventor
Life of this patent
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Abstract
A fuel filter/dryer having a casing, and the casing having an inlet and an outlet. At least a portion of the casing is filled with a desiccant through which the fuel flows. Also within the casing, is a particulate filter which removes harmful particles from the fuel. The desiccant is of a type that changes color when saturated with water. The casing is transparent to allow the change in color to be viewed in order to ascertain whether or not the fuel filter/dryer needs replacement.
Claims14
A filter/dryer cartridge for use in a fuel supply line, said filter/dryer cartridge comprising:
- a casing having an interior, said casing having an inlet communicating with said interior and an outlet communicating with said interior;
- desiccant material filling at least a portion of said interior, said desiccant material acting to remove water from fuel flowing through said filter/dryer cartridge;
- and
- a filter element positioned in said interior intermediate said desiccant material and said outlet, said desiccant material and said filter element being arranged within said casing such that all fuel flowing through said filter/dryer cartridge must pass through said desiccant material and said filter element.
1 more element
Dependencies are inferred from the claim text.