Level control system for a rotary cone-type feed hopper

Details Level control system for a rotary cone-type feed hopper Level control system for a rotary cone-type feed hopper

1976-04-22

1978-01-31

Tollberg, Stanley H.

Dispensing

Automatic control

Delivery from source controlled by quantity in discharging...

141 95, 222 63, 222 64, B67D 508

Patent

active

040711684

ABSTRACT:
A level control system involving both an apparatus and a method for a rotary feed hopper of the inverted, open-ended, truncated cone-type, wherein heavy paste-like viscous material which is fed into the large open upper end of the feed hopper is delivered or discharged through the small lower end of the hopper. A load meter in connected relation with the motor which drives the hopper senses the power required to drive the hopper and thus indirectly indicates the quantity of the material in the hopper, and consequently, the height or level of the material. When the load on the motor reaches a predetermined maximum the feed of material to the hopper is discontinued thus preventing overflow. When the load on the motor reaches a predetermined minimum the feed of material into the hopper is resumed.

REFERENCES:
patent: 2568332 (1951-09-01), Genovese
patent: 2781952 (1957-02-01), Mahoney
patent: 3149650 (1964-09-01), Horst
patent: 3207373 (1965-09-01), Dannenmann
patent: 3395834 (1968-08-01), Troy
patent: 3866799 (1975-02-01), Rikker et al.
patent: 3935970 (1976-02-01), Spaw

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