G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 11/10 (2006.01) B05B 7/14 (2006.01) B05C 11/10 (2006.01) B65G 47/90 (2006.01) G01F 13/00 (2006.01) G01G 13/24 (2006.01) G01G 21/23 (2006.01)
Patent
CA 2064546
The device for the dosed conveying of powder to a powder processing unit, particularly to a plasma spray device, com- prises a volumetric dosing unit comprising and a weighing unit which together allow a gravimetric powder dosing. The dosing unit comprises: a rotatable dosing disc having a vertical axis of rotation; a drive unit mounted below said rotatable dosing disc; and powder feeding and withdrawal means mounted above said dosing disc. This dosing unit, having first and foremost a vertical extension, is fixed to a weighing platform which rests on a plurality of weighing cells. The drive unit is arranged below said weighing platform, in order to situate the center of gravity of said dosing unit at least approximately at the level of said weighing platform. This considerably reduces the liking of the dosing unit for oscillations, as compared with a weigh- ing platform arranged entirely above the dosing unit, thus allowing a gravimetric powder dosing with high accuracy and uniformity.
Cassan Maclean
Plasma-Technik Ag
LandOfFree
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