Liquid purification or separation – Flow – fluid pressure or material level – responsive – Check valve
Patent
1991-01-18
1992-06-30
Dawson, Robert A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Check valve
210232, 2104163, 210442, 210449, 55505, B01D 3502
Patent
active
051260417
ABSTRACT:
A faucet assembly with removable filter has a bottom housing portion attached to a source of water. A top housing portion that includes a spout means attaches and detaches from the bottom housing portion. A valve assembly carried in the bottom housing is movable between a closed position, blocking the passage of water through the bottom housing portion into the attached top housing portion, and an opened position permitting the passage of water through the bottom housing portion into attached the top housing portion. A filter is removably carried within the hollow interior of the top housing portion between the valve assembly and the spout. The filter makes sealing engagement with the valve assembly and with the spout as the top housing portion is attached to the bottom housing portion. The filter breaks the sealing engagement as the top housing portion is detached from the bottom housing portion to permit removal of the filter from the detached top housing portion without otherwise disconnecting the faucet from the water source.
REFERENCES:
patent: 3853761 (1974-12-01), McClory
patent: 4379053 (1983-04-01), Brane
patent: 4516753 (1985-05-01), Thomsen
patent: 4556484 (1985-12-01), Hunter et al.
patent: 4623451 (1986-09-01), Oliver
patent: 4686037 (1987-08-01), Lang
Product Brochure, Aquest, Inc., "Smart Faucet" Design.
Product Brochure, Bionaire (Under-Counter and Above-Counter Mountings).
Product Brochure, Teledyne Water Pik (1989).
Product Brochure, Pollenex (1989).
Garrison Dale L.
Weber Thomas J.
Dawson Robert A.
Emerson Electric Co.
Millard Wanda L.
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