Importance

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Abstract

A powder transfer pump to convey a powder, in particular in a powder coating station. The powder transfer pump comprises a transfer chamber with a transfer chamber wall, an inlet opening into the transfer chamber to supply the powder to the transfer chamber, an outlet opening out of the transfer chamber to convey the powder from the transfer chamber, a negative pressure connection opening into the transfer chamber to generate negative pressure in the transfer chamber in order to suck the powder into the transfer chamber, and a positive pressure connection opening into the transfer chamber to discharge the powder that is present in the transfer chamber through the outlet. The transfer chamber wall is essentially gas-tight.

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First Claim