| US 7,462,101 B2 | ||
| Frusto-conical drum infeed and threshing region for a combine rotor | ||
| Sheldon Joseph Grywacheski, Eldridge, Iowa (US); Glenn Everett Pope, Viola, Ill. (US); Jason Michael Healy, Port Byron, Ill. (US); Jeffrey Ray Payne, Cordova, Ill. (US); Ryan Scott Herlyn, Port Byron, Ill. (US); Ryan Patrick Mackin, Milan, Ill. (US); and Kevin Laverne Ehrecke, Davenport, Iowa (US) | ||
| Assigned to Deere & Company, Moline, Ill. (US) | ||
| Filed on Apr. 20, 2006, as Appl. No. 11/408,827. | ||
| Prior Publication US 2006/0189361 A1, Aug. 24, 2006 | ||
| Int. Cl. A01F 12/00 (2006.01) | ||
| U.S. Cl. 460—68 [460/70; 460/16; 460/20; 460/119] | 18 Claims |
| 1. A crop processing unit for an agricultural harvester having at least an infeed section and a threshing section, the crop
processing unit comprising:
(A) a rotor further comprising a drum having (i) a frusto-conical shaped portion comprising (a) a frusto-conical fore-region
and (b) a frusto-conical aft-region, and (ii) a downstream cylindrical shaped portion, wherein the frusto-conical portion
is adjacent to and upstream of the cylindrical portion; and
(B) a rotor housing further comprising (i) an infeed portion, and (ii) a threshing portion adjacent to and downstream of the
infeed portion, said threshing portion comprising non-rotating grates;
wherein the fore-region of the frusto-conical portion is disposed in the infeed portion of the rotor housing;
wherein the aft-region of the frusto-conical portion is disposed in the threshing portion of the rotor housing and radially
inward from said grates and overlaps said grates, said grates lying in a cylindrical plane inside of said rotor housing; and
wherein the cylindrical portion of the rotor is at least partly disposed in the threshing portion of the rotor housing.
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