Method and device for the contamination-free metering and convey

Details Method and device for the contamination-free metering and convey Method and device for the contamination-free metering and convey

1997-05-30

2000-06-27

Ellis, Christopher P.

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

406 47, 406 48, 406122, 406128, 406132, 406133, 406144, B65G 5342

Patent

active

060799110

ABSTRACT:
A device for the contamination-free conveying of powders which has a movable cone arranged within a discharge hopper, which, when in an open position, forms an annular gap between itself and the wall of the hopper. The amount of powder which is discharged through the annular gap is controlled by the amount of time the cone remains in the open position. The powder which is discharged from the hopper is supplied to a liquid jet pump, and is conveyed by the liquid jet formed by the liquid jet pump to a dispersing or dissolving tank.

REFERENCES:
patent: 3819157 (1974-06-01), Markfelt
patent: 3881656 (1975-05-01), Markfelt et al.
patent: 4426156 (1984-01-01), Adamo et al.

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