A - Human Necessities – 01 – F
Patent
A - Human Necessities
01
F
130/8
A01F 12/22 (2006.01) A01F 7/06 (2006.01) A01F 12/10 (2006.01)
Patent
CA 1096736
FEED ROTOR FOR AN AXIAL FLOW ROTARY COMBINE Abstract of the Disclosure The feeding system for an axial flow rotary combine in which the separator is disposed generally fore-and-aft includes a dual auger feeder house in which a pair of side-by-side upwardly and rearwardly inclined augers are driven in such directions that a major part of the crop material handled is conveyed in a concen- trated high speed stream between the augers and delivered in undershot fashion to be engaged by a separator infeed rotor for transfer downstream to a coaxial threshing section. In the preferred embodiment the infeed rotor and its housing are gener- ally frusto-conical in form, the rotor including a frusto-conical core carrying four equally spaced axially extending tapered feed bars, each bar having a ramp-like cross section, with the rota- tionally leading edge of the ramp radially closer to the rotor axis than the trailing edge. Each bar carries towards its trail- ing edge a set of angled material control blades which engage the crop material and contribute to its rotational acceleration and, in cooperation with helically arranged lead members on the inside of the infeed housing, displace the material axially as it is carried around the housing. The feed rotor core is relatively small so that the form of the rotor creates ahead of each feed bar a relatively deep fluted pocket or receiving zone with a converging trailing portion (due to the backward sloping ramp of the feed bar). The gentle engagement of crop material provided first by the ramp and then by the slippage-permitting angled blades transforms the flow of crop material from a concentrated linear stream, dispersing it into a rearwardly spiraling annulus, around the periphery of the rotor.
326072
Peiler Rolf W.
Rohren Ronald E.
Borden Ladner Gervais Llp
Deere & Company
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