| 摘要 |
A system for sorting seeds or other discrete objects in which the discrete objects are successively passed through adjacent vertical chambers. Upwardly directed air flows are created in the chambers directing some of the discrete objects to exit openings. Discrete objects not passing through the exit opening leading from a chamber will be directed to an adjacent chamber by a tilted screen leading to a passageway between the adjacent chambers. The air flows within the chambers are separately controlled.
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