초록 ▼

A faucet mounted water filter is described, comprising a base having a water inlet upstanding from a first end of the base and attachable to a water faucet, a first water outlet downwardly directed from the first end of the base for discharging unfiltered water, a second water outlet downwardly dire

A faucet mounted water filter is described, comprising a base having a water inlet upstanding from a first end of the base and attachable to a water faucet, a first water outlet downwardly directed from the first end of the base for discharging unfiltered water, a second water outlet downwardly directed from a second end of the base for discharging filtered water and a filter cartridge seat disposed on the second end of the base, a replaceable filter cartridge comprising a unitary subassembly including a closed outer cylindrical shell having top and side walls defining a chamber therein, a filter element disposed with the filter chamber and a filter cartridge base, a latch device for demountably securing the filter cartridge in the housing cartridge seat, a diverter valve for selectively permitting the flow of water through the housing first water outlet and the filter cartridge, and an end-of-use indicator for determining the status of the filter element during use.

대표청구항 ▼

[ What is claimed is:] [1.] 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

[ What is claimed is:] [1.] 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.