Patent ID: 8590174

Claim:
An apparatus for removing soil from seed, comprising: an inclined inner enclosure comprising a first end portion and a second end portion having a higher elevation than the first end portion; a seed input adjacent the first end portion for introducing seed having a first soil content into the inner enclosure, and a seed output adjacent the second end portion for outputting seed having a second soil content from the inner enclosure, the second soil content being less than the first soil content; a liquid inlet for introducing liquid into the inner enclosure and at least one liquid outlet in the inner enclosure between the seed input and the seed output, the liquid outlet configured to drain liquid and soil from the inner enclosure; and a coreless auger positioned within the inner enclosure and extending from adjacent the seed input to adjacent the seed output, the auger configured to rotate relative to the inner enclosure and convey seed from the seed input toward the seed output.