Sensor device for water softener system

Details Sensor device for water softener system Sensor device for water softener system

1978-06-05

1979-06-19

Adee, John

Liquid purification or separation

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

210 961, 210139, 210190, B01D 1506

Patent

active

041586280

ABSTRACT:
A sensor device for use in water treatment systems of the type employed for softening the water which is adapted to be immersed in the mineral bed commonly used in such systems and which is sensitive to the calcium/sodium state of the system and capable of changing its dimensions in response to such state and effect contact in an electrical circuit to control operation of the system.

REFERENCES:
patent: 3250392 (1966-05-01), Luck
patent: 3477576 (1969-11-01), Lock et al.
patent: 3512643 (1970-05-01), Forss
patent: 3578164 (1971-05-01), Weiss

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