Loss-in-weight gravimetric feeder

Details Loss-in-weight gravimetric feeder Loss-in-weight gravimetric feeder

G - Physics

01

B

265/4

G01B 11/00 (2006.01) G01G 11/08 (2006.01) G01G 19/32 (2006.01)

Patent

CA 1216867

LOSS-IN-WEIGHT GRAVIMETRIC FEEDER Abstract of the Disclosure A loss-in-weight gravimetric feeding system is dis- closed which includes a prefeeder for receiving and discharging material and at least first and second feeders for receiving material from the prefeeder and discharging the received material to a common collector. The system includes a device for alter- nately diverting material discharged from the prefeeder to the first and second feeders, circuits for generating a first and second weight signal representative of the weight of material in the first and second feeders respectively, and structure for generating a reference signal representative of a desired mass flow rate of material from a feeder. The system further includes a circuit for alternately comparing the reference signal to the first and second weight signals in synchronism with the diverting device for controlling each of the feeders based on the compari- son between the reference signal and the weight signal associated with the feeder.

448618

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