Radiation attenuation weighing system for a vertical material fe

Details Radiation attenuation weighing system for a vertical material fe Radiation attenuation weighing system for a vertical material fe

1978-08-21

1980-12-16

Watkins, Donald

Measuring and testing

Volume or rate of flow

With indirect temperature or density compensation

G01F 100, G01F 166, G01N 924

Patent

active

042389569

ABSTRACT:
A weighing apparatus for a vertical material feeder which feeds particulate material from a storage bin through a prefeeder agitator and a feeder bowl to an outlet pipe. The weighing apparatus includes a radiation source and detection means positioned on opposite sides of the path of travel of the material through the feeder bowl for generating a signal representing the mass of material in the path. The weighing apparatus also includes a speed sensor for generating a signal representing the speed of the material through the feeder bowl and means responsive to the mass signal and the speed signal for generating a signal representing the rate at which the material is being fed through the feeder bowl.

REFERENCES:
patent: 3604928 (1971-09-01), Starnes
patent: 4044259 (1977-08-01), Wytor

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