Separator for an axial flow rotary combine

Details Separator for an axial flow rotary combine Separator for an axial flow rotary combine

1981-01-30

1982-12-07

Eskovitz, Jay N.

130 27HA, 130 27T, H01F 1210

Patent

active

043621686

ABSTRACT:
In an axial flow rotary separator for a combine, radially extending spike-tooth-like blades are arranged on a rotor body in "reverse" helical arrays, that is, such that helical flighting, similarly disposed, would tend to convey crop material upstream. The helix angles defined by the arrays approximate that of the mean spiral path of conveyance of a crop material mat portion through the separator housing. Propulsion of the crop material mat thus results from a plurality of spaced and staggered engagements of small contact area. The arrays are spaced so that the rotor elements present no extensive wall or front to the crop material thus reducing the tendency to "roping" and separator plugging in tough straw conditions.

REFERENCES:
patent: 30563 (1860-11-01), Colton
patent: 1736775 (1929-11-01), Ayers
patent: 4164947 (1979-08-01), Wilson

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