Gray water recycling system

Details Gray water recycling system Gray water recycling system

1992-12-14

1994-01-04

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Flush closet or urinal and wash receptacle

Wash receptacle water empties into toilet facility

13762546, 13762547, A47K 400

Patent

active

052748618

ABSTRACT:
A gray water recycling system directs gray water from a fixture to either a sewer line or a holding tank. The system includes a drain valve assembly that is controlled at the fixture and that selects between allowing water to flow into a drain pipe and then into the sewer line or allowing water to flow into a holding tank line to a pump and then into the holding tank. The drain valve assembly can be used with conventional fixtures such as sinks, tubs, and showers, using many standard fittings that are readily available. In an embodiment especially useful with sinks having a plug that is raised and lowered, the solid plug of a conventional sink is replaced with a hollow tube that communicates with the holding tank line. In another embodiment especially suited for showers and sinks with rotatable catch cups, the valve assembly includes two, nested valve bodies that rotate relative to each other to align valve body ports that alternately direct water into the sewer line or into the holding tank line.

REFERENCES:
patent: 1894407 (1933-01-01), Lutsky
patent: 2185037 (1939-12-01), Powers
patent: 3618637 (1971-11-01), Santomieri
patent: 4162218 (1979-07-01), McCormick
patent: 5035011 (1991-07-01), Rozenblatt et al.
patent: 5092003 (1992-03-01), Weinberg
patent: 5106493 (1992-04-01), McIntosh

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