Reverse osmosis water fountain machine with water saving device

Details Reverse osmosis water fountain machine with water saving device Reverse osmosis water fountain machine with water saving device

1998-03-16

1999-12-07

Walker, W. L.

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

210102, 210109, 210134, 2101952, 2102571, 2102572, 210258, 210259, 210260, 2104161, 2104163, C02F 900

Patent

active

059977388

ABSTRACT:
A water saving device for a reverse osmosis water fountain machine is provided in which an aspirating pipe with a solenoid valve is coupled to an intake pipe line at the front end of the reverse osmosis cylinder. Before that joint, another solenoid valve is connected to the intake pipe line. The rear end of the aspirating pipe extends into a reservoir. A solenoid valve is connected to a drain pipe line of the reverse osmosis cylinder, and extends into an input pipe of a reservoir. All of the solenoid valves are controlled by a central processing unit to change the working state of the water purification system. One such operating state is the recycling of the waste water from the reverse osmosis cylinder, thereby reducing the amount of waste water produced.

REFERENCES:
patent: 4626346 (1986-12-01), Hall
patent: 5639374 (1997-06-01), Monroe et al.
patent: 5725758 (1998-03-01), Chace et al.
patent: 5817231 (1998-10-01), Souza

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