Venturi eductor with adjustable flow restrictor
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United States of America Patent
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Dec 9, 2014
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N/A
app pub date -
Oct 4, 2012
filing date -
Oct 4, 2011
priority date (Note) -
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Abstract
A venturi eductor comprising a flow passage for a first liquid, a dispensing passage with an opening into the flow passage to allow a second liquid to be drawn therethrough and into a first liquid flowing through the flow passage, and a flow restrictor in the dispensing passage, in which the flow restrictor comprises a body with a plurality of nozzles passing therethrough with varying sizes of orifice, which body is movable between a first position in which a first of said nozzles is disposed in the path of the second liquid, and further positions in each of which a further of said nozzles is disposed in the path of the second liquid.
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