Apparatus for charging a liquid medium with a gas
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United States of America Patent
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Dec 10, 2002
Grant Date -
Jun 6, 2002
app pub date -
Dec 6, 2000
filing date -
Dec 6, 2000
priority date (Note) -
Expired
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Abstract
An apparatus for injecting a gaseous medium into a flowing liquid medium consisting of a first pipe having a closed end facing against the direction of the flowing liquid and an open end disposed in the direction of liquid flow, a second pipe coaxially disposed with the first pipe and having an open end extending through the closed end of the first pipe and a closed end inside the first pipe and a plurality of elongate apertures in its periphery adjacent the closed end and a substantially rectangular pipe entering the first pipe at an acute angle to introduce liquid into an annular gap between the first and second pipe in a substantially helical flow pattern traversing the elongate apertures thereby to draw air from the second pipe through the elongate apertures into the liquid.
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