Proportional dynamic ratio control for compressed air foam delivery
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United States of America Patent
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Nov 1, 2016
Grant Date -
May 16, 2013
app pub date -
Nov 9, 2012
filing date -
Nov 11, 2011
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Abstract
A compressed air foam delivery system includes a control unit to monitor and/or adjust components within the system so as to deliver a compressed air foam agent mixture with a desired agent:air ratio at a desired flow rate to one or more active discharges. In one embodiment, the control unit can be equipped to control one or more of a pump engine, water pump, foam delivery unit and air compressor so as to deliver and maintain the desired ratio of agent mixture at the desired flow rate.
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