Liquid purification or separation – Flow – fluid pressure or material level – responsive – Flow cut-off requiring reset
Patent
1991-02-01
1992-04-21
Dawson, Robert A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Flow cut-off requiring reset
210108, 210167, 2101951, 210296, B01D 2124
Patent
active
051064936
ABSTRACT:
A gray-water reclamation and reuse system for collecting, filtering and storing waste water (i.e., gray-water) for reuse where potable quality water is not required comprises a sump for collecting the waste water; a filter connected for filtering the waste water collected in the sump; a tank for holding the filtered filtered waste water; and plumbing and electrically-operated valves for providing waste water to said sump from one or more waste water sources, including shower stalls, bathtubs, sinks and/or clothes washers, the valves being operable by electric controls for diverting the waste water from the sources between the sump and a conventional waste water drain pipe to a sewer, septic tank or the like. A first pump is included for pumping waster water from the sump into and through the filter and into the holding tank and a second pump is included for pumping filtered waste water from the holding tank to one or more recycling uses such as toilet tanks, hose bibs, and/or lawn sprinklers. Another pump is provided for chlorinating waste water in the holding tank. Other electrically-operated valves and plumbing are included for enabling the adding of non-waste water to the holding tank as make-up water and for enabling the back washing of the filter. Electric controls, including a microprocessor, are included for controlling the operation of the various valves and pumps for START UP, NORMAL OPERATION, and BACK WASH modes of operation of the system. In a variation, a replacement stopper is provided for shower stalls and bathtubs; a suction pump and plumbing draw waste water from the shower stall or bathtub to the sump.
REFERENCES:
patent: 3425936 (1969-02-01), Culp et al.
patent: 3911938 (1975-10-01), Wiltrout
patent: 4145279 (1979-03-01), Selby, III
patent: 4228006 (1980-10-01), Hanna
patent: 4317732 (1982-03-01), Shoquist
patent: 4828709 (1989-05-01), Houser et al.
"Alteration of in House Wastewater Flow with Low Flush Toilet Fixtures and Graywater Recycle" Boyle, W. C., Siegrist, R. L. & Anderson, P.L. 1982 Reidel Pub. Co.
Dawson Robert A.
Fortuna Ana
Hackler Walter A.
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