Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With rehabilitation means
Patent
1983-05-06
1985-05-07
Cintins, Ivars
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
With rehabilitation means
210288, B01D 2314, B01D 2324
Patent
active
045156921
ABSTRACT:
A water filter adapted for installation in the hot and cold water supply lines leading to a faucet, appliance or the like includes a housing containing a granular activated carbon filtration bed and a two position valve with three ports for controlling water flow through the filtration bed. The valve has a first service position for normal flow of cold water through the filtration bed to the effluent line from the water filter and a second backwash position for flow of hot water through the filtration bed in an opposite direction to then drain through the same effluent line.
REFERENCES:
patent: 2087887 (1937-07-01), Gesner
patent: 3707233 (1972-12-01), Lerner
patent: 4301009 (1981-11-01), Cook et al.
Chandler James W.
Chandler William D.
Cintins Ivars
Water Soft Inc.
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