Patent ID: 6289726
Filing Date: 2001-09-18
Classification: B01D,F02M

Abstract:
A fuel filter gauge for indicating a condition of a fuel filter cooperating with a fuel system of an internal combustion engine of a motorized vehicle, the fuel filter gauge comprising:a housing having an aperture fluidly engaging the fuel system of the motorized vehicle, said housing also including an end surface having an inner side;an indicator cup within said housing for indicating the condition of the fuel filter, said indicator cup being positionable between a first position and a second position;a base cap assembly fixedly engageable with said housing, said base cap assembly including a plurality of generally inwardly projecting lock fingers;a lockpin engageable with said base cap assembly and said indicator cup, said lockpin including a lock stem and a plurality of lock stem stops integral with said lock stem, said lock stem stops being releasably engageable with said lock fingers of said base cap assembly;a diaphragm positioned between said lockpin and said indicator cup; anda calibration spring bearing against said inner side of said housing on one end and against said indicator cup on another end, said calibration spring biasing said indicator cup toward said first position.