Aerodynamic blender
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United States of America Patent
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-
Jul 14, 1992
Grant Date -
N/A
app pub date -
May 8, 1991
filing date -
May 8, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A blender designed on aerodynamic principles produces a thorough mixing of a number of solute gases with a diluent gas, so that the output of the blender is homogeneous to a high degree. The solute gases are supplied at desired rates by a flow controller upstream of the blender, and the blender is designed to mix these solute gases without altering the desired composition. This is accomplished by discharging the solute gases into a region devoid of turbulence, namely, near the entrance of a compression chamber. As the discharged gases approach the constriction of the venturi, a violent turbulence takes place, thereby thoroughly mixing and blending the gases. After passing through the constriction of the venturi, the gases enter a second expansion chamber which slows the flow to permit further blending to occur by molecular diffusion. A second compression chamber follows the second expansion chamber and serves to impart a final blending action while reducing the diameter of the flow path to that of the discharge pipe.
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