Crop metering device for combine harvesters

Details Crop metering device for combine harvesters Crop metering device for combine harvesters

G - Physics

01

G

130/20, 249/3, 3

G01G 13/24 (2006.01) A01D 41/127 (2006.01) G01F 1/06 (2006.01) G01F 1/86 (2006.01) G01F 3/38 (2006.01) G01F 11/24 (2006.01) G01F 11/40 (2006.01)

Patent

CA 1165300

Abstract of the Disclosure A crop metering device for measuring by volume the clean crop yield of a combine harvester during harvesting, wherein a trap is located in the clean crop flow to build up a head of clean crop, and a paddle wheel or analogous device successively releases known volumes of crop at a rate which tends to maintain a predetermined head of crop above the trap. A sensor determines when the head of crop has built up to the predetermined level, and initiates successive operations of the paddle wheel or analogous crop releasing device. The volumes released are counted in relation to time or harvested area to determine yield. A weighing device may be incorporated to enable an on- board computer to effect a volume to weight conversion.

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