Cleaning system for a combine

Details Cleaning system for a combine Cleaning system for a combine

1990-05-10

1991-08-20

Mellus, Terry Lee

Crop threshing or separating

Cleaner

Sieve or grate

460902, A01F 1244

Patent

active

050410598

ABSTRACT:
A cleaning system for a combine including at least one sieve located in a housing of the combine such that a flow of air from a fan mechanism is directed upwardly therethrough. The sieve includes a plurality of louvers which are are arranged relative to each other to define a first series of clean grain passages therebetween. A majority of the louvers define a series of openings which define a second series of openings which allow clean grain to pass therethrough and facilitate an increased flow of air therethrough to enhance separation of unwanted residue from clean grain.

REFERENCES:
patent: 3109433 (1963-11-01), Claas
patent: 3797502 (1974-03-01), Reed et al.
patent: 4230130 (1980-10-01), Staiert
patent: 4412549 (1983-11-01), Rowland-Hill
patent: 4770190 (1988-09-01), Barnett
patent: 4869272 (1989-09-01), Ricketts et al.

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