Powder conveying pump
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United States of America Patent
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Issued Date -
Aug 24, 2006
app pub date -
Feb 6, 2006
filing date -
Feb 17, 2005
priority date (Note) -
Abandoned
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Abstract
A powder conveying pump, in particular for a powder coating device. The pump comprises a working chamber with a variable working chamber volume, a powder inlet opening into the working chamber to suck powder into the working chamber, a powder outlet opening out of the working chamber to expel the powder present in the working chamber and a moveable piston that forms one boundary surface of the working chamber and sucks the powder into the working chamber through the powder inlet during an upward movement. The piston is driven directly by pneumatic means.
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