Liquid purification or separation – With alarm – indicator – register – recorder – signal or...
Patent
1982-01-05
1983-12-06
Adee, John
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
210 961, C02B 140
Patent
active
044192290
ABSTRACT:
A device for detecting cation saturation in an ion exchange filter includes electrodes disposed in an interchanging resin. One of the electrodes receives power from a source of supply, while the other electrode picks up a cation potential signal and through a tracking circuit comprising an operational system informs a comparator circuit having a fixed threshold valve which operates depending on the value emitted by the tracking circuit, activating a luminous and/or acoustic alarm system, all of which is optatively activated by means of a manually operated push-button.
REFERENCES:
patent: 3172037 (1965-03-01), Pfeiffer
patent: 3245537 (1966-04-01), Burgess
patent: 3252578 (1966-05-01), Smith et al.
patent: 3282426 (1966-11-01), Entringer
patent: 3768649 (1973-10-01), Fleckenstein
patent: 3869382 (1975-03-01), Tejeda
patent: 4082666 (1978-04-01), Jones et al.
Adee John
Bayard J.R. International S.A.
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