Device for controlling the ratio of pure water to concentrated w

Details Device for controlling the ratio of pure water to concentrated w Device for controlling the ratio of pure water to concentrated w

1996-07-30

1998-06-23

Drodge, Joseph W.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Transparent

210137, 21032165, 210541, B01D 6112

Patent

active

057700524

ABSTRACT:
A water purifier includes a casing and filters disposed in the casing for receiving unpurified water and producing purified water and waste water therefrom. A ratio of purified water to waste water being produced is controlled by a control knob rotatably mounted in a control box disposed exteriorly on a wall of the casing. The control knob rotates beneath a setting point marked on a wall of the control box. The control knob includes a plurality of regularly spaced indicator marks which can be selectively brought into alignment with the set point to enable a setting of the control knob to be visually determined.

REFERENCES:
patent: 3053268 (1962-09-01), Schulze et al.
patent: 3390773 (1968-07-01), Merten
patent: 3552566 (1971-01-01), Lowe et al.
patent: 3812370 (1974-05-01), Laviolette
patent: 4176063 (1979-11-01), Tyler
patent: 5096574 (1992-03-01), Birdsong et al.

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