Patent ID: 7438799

Claim:
A refillable water dispenser serving batches of water purified of organic and inorganic impurities, comprising: a water pitcher having an open top, side and bottom walls enclosing a basin for holding still water, a spout in fluid communication with the basin for pouring water, and a removable lid mounted to the open top of the pitcher; a moving water processing module including a bucket mounted inside the water pitcher having an open top in fluid communication with the open mouth of the pitcher and having side and bottom walls that enclose a volume whose capacity, when filled, accepts a batch of water to be treated that is poured all at once thereinto, a flow-through filter removably mounted to said bucket bottom wall that is fed with the water of each batch of water by action of gravity, said flow-through filter including filter media that acts to remove non-living organic (carbon) and inorganic impurities as said water flows therethrough and to streamwise discharge that water into said basin; and a still water processing module including a UV line radiator disposed within the basin of the pitcher operative after all of the water of a batch of water has been discharged streamwise from the moving water processing module and received by the basin of the pitcher which contains it batchwise as a body of still water to provide UV radiation that is omnipresent to every region of the body of still water contained batchwise by the basin with an intensity and a duration to neutralize living organism organic impurities at every region of the body of still water contained batchwise by the basin, and, thereafter, to provide a signal indication that a batch of water purified of living and nonliving organic and inorganic pollutants is ready to be served through the spout of the pitcher; wherein the removable lid includes a fill opening therethrough, and a mechanism cooperative therewith to allow water to be received through said fill opening but to block direct viewing of UV radiation within said pitcher; wherein said mechanism includes a louvered disc valve.