PRESSURE SWIRL ATOMIZER WITH REDUCED VOLUME SWIRL CHAMBER
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United States of America Patent
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Issued Date -
Oct 20, 2011
app pub date -
Apr 15, 2011
filing date -
Apr 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pressure swirl atomizer includes a swirl chamber having an exit orifice, a first section with a first volume, and a second section with a second volume. The second volume is smaller than the first volume, and the exit orifice disposed in the second section. The atomizer also includes a pintle movable to open and close the exit orifice and a plurality of tangential swirl channels disposed about a circumference of the swirl chamber. The reduced volume of the second section reduces the amount of static fluid to be accelerated into a flow pattern, thereby improving spray quality when the exit orifice is initially opened.
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