Axial flow rotary separator for a combine

Details Axial flow rotary separator for a combine Axial flow rotary separator for a combine

1977-08-18

1980-04-22

Kinsey, Russell R.

Harvesters

Motorized harvester

Including plural operating units and drive

130 27T, A01D 4502

Patent

active

041988027

ABSTRACT:
In a rotary separator, cylindrical threshing, frusto-conical separating, and centrifugal fan sections are arranged coaxially and in tandem. A fixed grate including threshing and separating portions surrounds and generally conforms to a rotor profile. A frusto-conical collector housing encloses the forward part of the separator and feeds threshed and separated grain to a grain cleaning unit, the screen elements of which, along with the collector housing, rotate concentricaly with the grate while at the same time reciprocating axially. A stationary cylindrical housing surrounds the cleaner unit and clean grain and tailings pass centrifugally from the cleaner screens to separate annular channels, to be swept around the inside of the housing by paddles moving with the cleaner elements to tangential discharge points near the top of the separator for transfer to clean grain and tailings return augers respectively. The centrifugal fan draws air approximately axially through the cleaner unit removing chaff and other light material and also receives straw carried over the grate, for discharge downwards from the fan housing.

REFERENCES:
patent: 990284 (1911-04-01), Miller
patent: 3623302 (1971-11-01), Schmitt
patent: 3808780 (1974-05-01), Wood
patent: 4060960 (1977-12-01), Hengen et al.
patent: 4108150 (1978-08-01), Sharer
patent: 4139013 (1979-02-01), Hengen

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