Compressed Air Foam Fluid Mixing Device
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United States of America Patent
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Issued Date -
May 4, 2017
app pub date -
Oct 18, 2016
filing date -
Nov 3, 2015
priority date (Note) -
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Abstract
The present invention is a mixing device for producing compressed foam for an extinguishing device for firefighting comprising a foam solution inlet that is operatively connected to a foam solution mixture area that is operatively connected to a compressed air inlet that is operatively connected to a compressed air injection manifold that is operatively connected to a mixing chamber. The compressed air injection manifold having a plurality of lateral sides that have a plurality of holes distributed across at least one of the lateral sides. A scrubbing collector pipe that extends into the mixing chamber to form an annular flow area within the mixing chamber. The scrubbing collector pipe having a plurality of holes distributed around an outer periphery of the scrubbing collector pipe. An inner collector pipe within the scrubbing collector pipe. A compressed air foam outlet operatively connected to the scrubbing collector pipe.
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