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Preparation tray e.g. oscillating drivable grain pan, for combine harvester, has openings extending as continuous surface portions over stages of tray, where tray is subjected with air flow causing fluidized bed in crop-mixture
Preparation tray e.g. oscillating drivable grain pan, for combine harvester, has openings extending as continuous surface portions over stages of tray, where tray is subjected with air flow causing fluidized bed in crop-mixture
The tray i.e. height-adjustable cutting unit (2), has multiple slot-shaped openings extending as continuous surface portions over stages of the tray, where each opening exhibits a clear width. A fan assembly (13) generates airflow through the openings. A crop-mixture of grain and non-grain components is supplied to a cleaning device (4), which is provided with an upper filter (14) and a lower filter (15). The fan assembly pressurizes the upper and lower filters with the air flow, where the tray is subjected with the air flow causing a fluidized bed in the crop-mixture.
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