Patent ID: 6780316
Filing Date: 2004-08-24
Classification: B01D,C02F

Abstract:
A water filtering apparatus comprising: a base having an open end for receiving a filter cartridge, an element support disposed within said base and having means for receiving an unfiltered water supply and means for discharging a filtered water supply, one of which is located at a center of the element support;a disposable filter cartridge consisting of a container, a filter element enclosed within the container, the container having means for mating to the element support and having means for receiving an unfiltered water supply from the element support and means for discharging filtered water supply to the element support, one of which is located at a center of a first end of the container, corresponding to the supply located at the center of the element support and being coaxial therewith, the element support having an annular channel on a top surface thereof in fluid communication with one of the means for receiving the unfiltered water supply and the means for discharging the filtered water supply, first and second annular seals disposed on opposite sides of the annular channel, the first and seconds seals engagable by the first end of the container to seal the annular channel against the first end when the disposable filter cartridge is engaged to the element support such that the annular channel forms a flow channel between the container and the element support, said container entirely enclosing said filter element and allowing fluid communication therewith only via said means for receiving an unfiltered water supply from the element support or said means for discharging filtered water supply to the element support, such that the container forms a pressure vessel in which filtration occurs.