US 6,187,154 B1 · Electrolyzed water production system

Abstract

An electrolyzed water production system has a brine storage tank, brine supply means for supplying the saturated brine from the storage tank for mixing with raw water supplied from a source of raw water and an electrolytic cell for producing electrolyzed water. An electric control circuit comprises detection means for detecting the conductivity of the diluted brine supplied to the electrolytic cell, and feedback control means for controlling operation of the brine supply means in such a manner that the conductivity of the diluted brine detected by the detection means is adjusted to a predetermined target value. The circuit also includes memory means for memorizing an amount of saturated brine mixed with the raw water in operation of the brine supply means under control of the feedback control means, and initial control means for controlling operation of the brine supply means in such a manner that a supply amount of saturated brine is adjusted on a basis of the instant amount of saturated brine memorized in the memory means during previous operation of the brine supply means under control of the feedback control means when the electrolytic cell is activated to start production of the electrolyzed water.

Claims13

Dependent claims

An electrolyzed water production system having a brine storage tank arranged to store saturated brine of a predetermined concentration, a brine supply means for supplying the saturated brine from said storage tank for mixing with raw water supplied from a source of raw water and an electrolytic cell arranged to be supplied with diluted brine prepared by a mixture of the raw water and saturated water for producing electrolyzed water,

wherein an electric control apparatus for the electrolyzed water production system comprises:
detection means for detecting the conductivity of the diluted brine supplied to said electrolytic cell;
feedback control means for controlling the operation of said brine supply means in such a manner that the conductivity of the diluted brine detected by said detection means is adjusted to a predetermined target value;
memory means for memorizing an amount of saturated brine mixed with the raw water during operation of said brine supply means under control of said feedback control means and
initial control means for controlling the operation of said brine supply means in such a manner that a supply amount of saturated brine mixed with the raw water is adjusted on a basis of the instant amount of saturated brine memorized in said memory means during a previous operation of said brine supply means under control of said feedback control means when said electrolytic cell is activated to start production of the electrolyzed water.

2 more elements

An electrolyzed water production system having a brine storage tank arranged to store saturated brine of predetermined concentration, a fluid pump of the type driven by each pulse of pulse train signals applied thereto from a pulse signal generator to supply a predetermined amount of saturated brine from said brine storage tank for mixing with raw water supplied from a source of raw water, and an electrolytic cell arranged to be supplied with the diluted brine prepared by a mixture of the saturated brine and raw water for producing electrolyzed water,

wherein an electric control apparatus for the production system comprises:
detection means for detecting the conductivity of diluted brine supplied to said electrolytic cell at a first predetermined time interval;
calculation means for calculating an average value of the conductivity successively detected by said detection means in sequence;
and
pulse control means for adjusting a period of the pulse train signals applied from said pulse signal generator in accordance with a difference between the calculated average value of the conductivity and a predetermined target value so that the average conductivity becomes substantially equal to the target value.

2 more elements

Dependencies are inferred from the claim text.

Electrolyzed water production system

Life of this patent

Electrolyzed water production system

Life of this patent

Abstract

Claims13