| 摘要 |
The continuous determination of the weight of a material stream by means of the blow force occurring on a bouncing plate, as used for many applications, is not sufficiently exact. For the determination of the driving torque a rotating impeller wheel which conveys the material stream and is driven at a constant speed of rotation is being proposed, the material stream being supplied to the impeller wheel in the central range thereof and is radially supplied to the guide vanes which lie outside of the central supply range.
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