Cleaning system for a combine
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United States of America Patent
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-
Aug 20, 1991
Grant Date -
N/A
app pub date -
May 10, 1990
filing date -
May 10, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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