Powder conveying pump
AssigneeDürr Systems AG
InventorsThomas Durr, Hans-Georg Fritz, Frank Herre
Life of this patent
Estimating the term…
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.
Claims20
A powder transfer pump to convey a powder in a powder coating station, the power transfer pump comprising:
- a transfer chamber with a transfer chamber wall, the transfer chamber wall being essentially gas-tight;
- 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;
- a positive pressure connection opening into the transfer chamber to blow the powder in the transfer chamber out through the outlet.
The powder transfer pump according to claim I wherein the negative pressure connection opens in the interior of the transfer chamber spaced apart from the transfer chamber wall.
Dependencies are inferred from the claim text.