Regeneration detector for water softeners
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United States of America Patent
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-
Mar 16, 1982
Issued Date -
N/A
app pub date -
Jul 31, 1980
filing date -
Jan 24, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for initiating the regeneration cycle of an ion exchange resin type water softener based upon the movement of the 'hardness front' through the resin bed as water being treated is passed therethrough. Electrical probes are provided at predetermined longitudinally spaced locations and the difference in potential between the probes is measured, as is the rate of change of this potential with respect to time. It is found that as the hardness front passes between the probes, a detectable change in potential occurs which may be applied to an electronic circuit for generating a control signal which may initiate the regeneration cycle of the water softener subsequent to the arrival of the hardness front in the zone between the probes.
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