Difference between revisions of "Pumps"

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==Types==
==Types==
===[[Positive Displacement Pumps]]===
===[[Positive Displacement Pumps]]===
[[Image:Drehkolbenpumpe.jpg|thumb||right|A lobe pump]]
 
[[Image:423px-Common_Lobe_Pump.png|thumb|right|upright|lobe pump internals]]
[[Image:Two_moving_spirals_scroll_pump.gif|thumb|Mechanism of a scroll pump]]


A positive displacement pump causes a powder to move by trapping a fixed amount of it and then forcing (displacing) that trapped volume into the discharge pipe.
A positive displacement pump causes a powder to move by trapping a fixed amount of it and then forcing (displacing) that trapped volume into the discharge pipe.

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