Water filtering apparatus

Abstract

A drinking water filter assembly has a filter cartridge which includes a filter element contained in a pressure vessel for unitary disposal, the cartridge received on a base containing attachment fittings for ease in installation and replacement with limited exposure to contaminants during a filter change. A flow powered flow meter is provided which measures the quantity of flow through the filter for alerting the user to replace the filter cartridge.

1 - 14 . (cancelled).  
     
     
         15 . A device for monitoring a flow of water to a water filter comprising a water filter counter having a rotatable impeller in fluid communication with a water supply delivered to a water filter, the impeller having means for generating an electrical output in proportion to water flow by the impeller, and counter means to receive the electrical output and to total the quantity of water flowing to the filter.  
     
     
         16 . The monitoring device of  claim 15  further comprising means for generating an alert signal when a selected quantity of water has flowed to the filter.  
     
     
         17 . The monitoring device of  claim 16  wherein the alert signal is visual or audio.  
     
     
         18 . The monitoring device of  claim 15  wherein the generating means comprises a stationary magnet, and a pair of movable wire coils which generate electricity proportionate to the water flow by the impeller.  
     
     
         19 . The monitoring device of  claim 15  further comprising a reset switch for resetting the counter.  
     
     
         20 . The monitoring device of  claim 15  further comprising at least one light to indicate filter status. Based on the quantity of water which has passed to the filter.  
     
     
         21 . The monitoring device of  claim 15  further comprising a water filter connected thereto.