Patent ID: 6123837
Filing Date: 2000-09-26
Classification: B01D,C02F,Y10T

Abstract:
A replaceable filter cartridge assembly for a water filter having a housing and an end-of-use indicator, said indicator including electronic sensor means responsive to a source of stimulus, comprising:a subassembly including a closed outer cylindrical shell having top and side walls defining a chamber therein, a filter element disposed within said filter chamber and a cartridge base, said chamber including an annular water distribution chamber surrounding said filter element, said cartridge base including an inlet port, in communication with said annular chamber, and an outlet port, said outlet port including a latch flange, said cartridge base further including latch means for engaging said water filter housing and means for communicating with said indicator sensor means for indicating the presence of and cumulative volume of water flow to said filter cartridge assembly, said latch means including a latch button, a latch slide slideable connected to said latch button and a spring, said spring providing a biasing force to said latch slide, said latch slide being adapted to engage said latch flange, said latch slide biasing force providing substantially secure engagement of said latch slide and latch flange.