Threshing section of a combine
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United States of America Patent
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Oct 19, 2021
Grant Date -
Jul 9, 2020
app pub date -
Jan 3, 2019
filing date -
Jan 3, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A threshing section for a combine harvester includes a rotor and a transition cone. The rotor has an axis of rotation, a downstream end, and an upstream end. The upstream end includes one or more blades for moving crop downstream in a direction of crop flow. The transition cone at least partially surrounds the upstream end of the rotor and the blades. An annular space is formed between a swept profile of the blades and an interior surface of the transition cone through which crop is introduced into the threshing section. A cross-sectional area of the annular space, which is measured in a radial direction, is substantially constant along at least a portion of a length of the swept profile.
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