Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent
1980-11-12
1982-09-14
Wyse, Thomas G.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Diverse sensing means
210209, 210418, 210498, B01D 3920
Patent
active
043494366
ABSTRACT:
A water recovery system in which drain water from appliances, sinks and bathtubs are conserved in a storage recovery tank for treatment and reuse as a water supply for toilets. The drain water is directed through an outlet to flow over a pivoted grate that is mounted above the top opening of the storage tank, with the grate formed of spaced inverted T-shaped ribs and normally held at an acute angle, such as ten degrees, to the horizontal plane by a spring so that debris retained on the grate is washed diagonally downwards off the top surface of the grate to fall off the lower end of the grate into a debris-collection and tank overflow unit. The drain water, itself, falls between the grate ribs into the storage recovery tank. The grate is linked to an outlet valve leading from a liquid chemical storage tank so that liquid treatment chemicals in the chemical tank are released into the storage tank during periods of drain water flow onto the grate, when the grate is pivoted to a greater angle, such as twenty degrees, to the horizontal by the weight of drain water flowing on and through the grate. The grate is also linked to a first float which prevents the grate from opening the release valve of the chemical tank when the storage tank is full. A second float in the storage recovery tank admits fresh water into the tank, when the tank level falls below a pre-set minimum. A pump operated by a pressure switch automatically supplies water to the toilet supply line upon demand.
REFERENCES:
patent: 1631585 (1927-06-01), D'Olier et al.
patent: 1940952 (1933-12-01), Hutchens
patent: 2150889 (1939-03-01), Colville
patent: 3915857 (1975-10-01), Olson
patent: 4162218 (1979-07-01), McCormick
patent: 4206522 (1980-06-01), Baker
patent: 4224155 (1980-09-01), Milne
Podell Howard I.
Wyse Thomas G.
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