Liquid purification or separation – Flow – fluid pressure or material level – responsive – Check valve
Patent
1978-09-14
1980-07-01
Cintins, Ivars C.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Check valve
13762529, 210190, 210278, 2512495, B01D 1506, F16K 1102
Patent
active
042105323
ABSTRACT:
A combined closure and rotary water valve assembly provided for closing the open upper end of a water softener mineral tank to be used in conjunction with a brine water tank including a float valve controlled brine water outlet and water supply line from the brine tank to the valve assembly. The valve assembly comprises a four position, five function valve. The five functions of the valve include a service function during which hard water enters the mineral tank and is softened therein and is thereafter discharged from the tank, a backwash function during which the bed of minerals within the tank is backwashed, a brine function in which brine is flushed through the mineral bed, a slow rinse function for flushing the brine is from the mineral bed and a combined rapid rinse and brine tank refill function during which the mineral bed is rapidly rinsed with water and the supply of water within the brine tank is replenished. These five functions of the valve assembly are sequentially performed as a result of a rotary actuator of the valve assembly being sequentially angularly advanced in one direction of rotation thereof.
REFERENCES:
patent: 1672430 (1928-06-01), Schnyder
patent: 2631811 (1953-03-01), Malloy
patent: 3101316 (1963-08-01), Rose
patent: 3476151 (1969-11-01), Hegstad
patent: 4105555 (1978-08-01), Pease
Cintins Ivars C.
Jacobson Harvey B.
O#Brien Clarence A.
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