Screw feeder for granular material

Agitating – Having specified feed means – Agitation of material in feeder or supply reservoir

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Details

198658, 222413, 366224, B01F 908, B01F 1502

Patent

active

040572250

ABSTRACT:
A screw feeder comprising a pair of augers of different diameters, coaxially and co-extensively arranged, which are driven by separate motors, one of which drives a mixing drum and auger of larger diameter, and the other drives the auger of smaller diameter. By rotating the outer auger at the slower speed of the drum and the inner auger at a higher speed, the particles or granular material fed to the augers will be thoroughly and uniformly mixed as well as propelled outwardly of the feed bin by screw feed action.

REFERENCES:
patent: 2989291 (1961-06-01), Bedner
patent: 3020028 (1962-02-01), Bullock
patent: 3245110 (1966-04-01), Daubenfeld
patent: 3387828 (1968-06-01), Bosche
patent: 3704076 (1972-11-01), Bodunov

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