Screening apparatus for grains, seeds or the like crops

Details Screening apparatus for grains, seeds or the like crops Screening apparatus for grains, seeds or the like crops

1982-12-08

1984-11-06

Scherbel, David A.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209303, B07B 126

Patent

active

044807546

ABSTRACT:
A screening apparatus for grains comprises a housing, wherein a support structure is arranged which is rotatable by means of a main shaft. The support carries a screen drum rotatably mounted upon a planet shaft arranged eccentrically with respect to the main shaft. The support, furthermore, carries vanes engaging a delivery channel for the screened goods. In order to achieve a comparatively small resulting centrifugal force effect upon the material fed to the screen drum, while maintaining optimal peripheral speeds as regards the delivery vanes and the speed of the screen drum, the screen drum is arranged with an eccentricity with respect to the main shaft which is smaller that the greatest radius of the screen drum.

REFERENCES:
patent: 620860 (1899-03-01), Warrington
patent: 2822127 (1958-02-01), Sinn
patent: 2880734 (1959-04-01), Edstrom
patent: 3767047 (1973-10-01), Rasmussen

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