Metered feeder having a rotary groove and a cooperating scraper

Details Metered feeder having a rotary groove and a cooperating scraper Metered feeder having a rotary groove and a cooperating scraper

1978-01-13

1979-10-16

Spar, Robert J.

Dispensing

Movably mounted supply container

Rotatable

222254, 222342, 222414, G01F 1110

Patent

active

041710711

ABSTRACT:
A feeder for particulate solid material uses a metering rotor for continuously metering the feed rate. A continuous groove around the rotor is formed between axially spaced lands, and the rotor is oriented for rotating around a horizontal axis. The material is continuously dropped onto an upper region of the rotor at a rate substantially greater than the metering rate of the feeder for continuously overfilling the groove with material. A scraper extends over the groove between the lands in the upper region for scraping away excess material to give the material remaining in the groove a predetermined and continuous shape as the rotor turns. An output conveyor continuously receives material falling from the groove as the material turns with the rotor past the upper region.

REFERENCES:
patent: 1090120 (1914-03-01), Scott
patent: 1527128 (1925-02-01), Durouaux
patent: 1997791 (1935-04-01), Hoberg et al.
patent: 2548245 (1951-04-01), Stevens et al.
patent: 2720340 (1955-10-01), Gustafson
patent: 3606099 (1971-09-01), Benson
patent: 3608787 (1971-09-01), Grataloup

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