Foam/water/air injector mixer
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United States of America Patent
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-
May 19, 1992
Grant Date -
N/A
app pub date -
Feb 7, 1991
filing date -
Feb 7, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Firefighting apparatus specially adapted to deliver pressurized foam to a target surface. The apparatus includes a unique air injection mixer in which the air discharge nozzles are oriented at oblique angles to the stream flow. The aspirated air causes the foam to expand in the mixer without loss of force through generated turbulence to increase the pumping efficiency of the apparatus.
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