Water quality monitor

Details Water quality monitor Water quality monitor

1985-08-26

1987-05-26

Cintins, Ivars

Liquid purification or separation

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

Position or extent of motion

210 93, 210 961, B01J 4714

Patent

active

046683860

ABSTRACT:
A water quality monitor receives water that has passed through a water softener treatment tank. The monitor contains a sample of ion exchange resin that is exposed to the water and which shrinks in volume when the water quality deteriorates to the point where it is no longer being softened. Shrinking of the resin sample signals that corrective action should be taken, such as regenerating the softener. Signaling may be a visual or audible signal or it may involve closing a valve preventing the flow of service water to one or more points of use, or restricting the flow to the extent that the restricted flow constitutes a signal to the user. The sample ion exchange resin is contained in a replaceable cartridge that can be inserted into the monitor and replaced after the monitor has functioned to signal deteriorating quality.

REFERENCES:
patent: 2278488 (1942-04-01), Ralston
patent: 2810692 (1957-10-01), Calmon
patent: 3250392 (1966-05-01), Luck
patent: 3477576 (1969-11-01), Luck et al.
patent: 3574330 (1971-04-01), Prosser
patent: 4332678 (1982-06-01), Spiegl
patent: 4385992 (1983-05-01), Clauer et al.

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