Control valve for a water treatment system
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United States of America Patent
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Nov 8, 2016
Grant Date -
Sep 26, 2013
app pub date -
Dec 2, 2011
filing date -
Dec 3, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A control valve assembly including a water meter usage assembly including discs which are relatively positionable to adjust the frequency at which regeneration in a water treatment system starts. A regeneration control disc mounted coaxially with the meter disc assembly includes structure for releasing a drive mechanism associated with the meter disc assembly to rotate it back to a start position under a predetermined operating condition. The discs are releasably held in their relative positions by at least one pawl and at least one of the discs is rotatable relative to the other disc. The regeneration frequency is determined by an initiation slot in one of the discs and its operative position is determined by disc positions. The regeneration control disc is rotated by a pawl mechanism that is activated when an associated cam follower is received by the regeneration initiation slot formed in the water meter usage assembly.
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