Control system
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United States of America Patent
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Dec 6, 2011
Grant Date -
Dec 31, 2009
app pub date -
Sep 1, 2009
filing date -
May 13, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A control system comprising a timer based controller and a valve wherein the timer-based controller has a fixed period and the timer based controller regularly cycles the valve between a first condition and a second condition with the first portion of the cycle directing a first flow of water through a dispensable material and the remaining portion of the cycle directing a lesser flow of water through the dispensable material.
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