Water purifier

Details Water purifier Water purifier

1975-06-02

1977-05-03

Spear, Jr., Frank A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Discharge of treated material

210134, 210257M, 210433M, B01D 3100

Patent

active

040213439

ABSTRACT:
This invention provides an arrangement for delivering purified water on demand, which includes a reverse osmosis filter having an inlet for connection to a source of pressurized water, and a purified water outlet connected to a tank where the purified water enters a bladder. Unpurified water from the filter is connected to the tank on the outside of the bladder for forcing purified water through a purified water outlet. This connection also includes a restricted passageway to a drain. A second discharge for unpurified water from the reverse osmosis filter connects through another restrictor to the drain. The system is controlled by an actuator which operates a valve to control the flow of unpurified water, thereby causing the same to force purified water from the tank to the purified water outlet, and a valve for controlling the flow of inlet water to the reverse osmosis filter, shutting off such flow when the tank is filled with purified water.

REFERENCES:
patent: 3493496 (1970-02-01), Bray et al.
patent: 3630378 (1971-12-01), Bauman
patent: 3679055 (1972-07-01), Clark et al.
patent: 3688911 (1972-09-01), Baerg
patent: 3746640 (1973-07-01), Bray
patent: 3794172 (1974-02-01), Bray
patent: 3794173 (1974-02-01), Bray
patent: 3831757 (1974-08-01), Gossett et al.

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