Device for measuring a mass flow rate of a particulate material
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United States of America Patent
Stats
-
Mar 11, 2008
Grant Date -
Aug 3, 2006
app pub date -
Jan 19, 2006
filing date -
Jan 31, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device for measuring a mass flow rate of a flow of particulate material which moves in a predetermined direction. The device includes a weighing cell, a first apparatus, a second apparatus, and a third apparatus. The weighing cell includes a tubular wall and is disposed to be passed through by a flow of particulate material. The first apparatus weighs the weighing cell and the quantity of particulate material contained in the weighing cell and produces a first signal. The second apparatus measures the speed of flow of the particulate material which flows through the weighing cell and produces a second signal. The third apparatus calculates the bulk density of the particulate material, calculates the mass flow rate of particulate material which flows through the weighing cell, and produces a third signal representing the mass flow rate of particulate material which flows through the weighing cell.
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