G - Physics – 05 – D
Patent
G - Physics
05
D
341/34
G05D 7/00 (2006.01) G01G 11/08 (2006.01) G01G 13/28 (2006.01) G01G 13/285 (2006.01) G05D 7/06 (2006.01)
Patent
CA 2028504
Summary A weigh feeding apparatus for pourable substances such as granulates, powders and fluids consisting of a container equipped with a controllable device for discharging the substance, weighing apparatus for the container or for a conveyor arranged subsequently to the discharging device. Attached to this is an electronic circuitry provided with a computer for the regulation and control of the discharging device, which counts the digital measuring signals of the weighing apparatus during a period of time, compares them with a reference value and produces a setting or control value for the discharging device at a divergence of the signal. In order to maintain a gravimetric feed during external disturbances and/or when refilling the container the circuitry contains d device for the production and processing of a support value, this device storing the measuring signals of the weighing apparatus at one or several feed speeds of the discharging device during an adjusting operation free of external disturbances, converting them to the setting range with the aid of the reference value, adding the supporting values to the measuring values produced during the operation during the occurrance of extremely high measuring signals or temporarily by an impulse generator. Furthermore the circuitry compares the mixed values with the reference value and produces the control or setting values for the discharging device at a divergence of same.
Brabender Technologie Kg
Robic
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