ACOUSTIC MATERIAL FLOW SENSOR

A combine harvester (500) comprises a threshing assembly (116), a cleaning shoe (117) having a chaffer (108) and a fan (113). A plurality of crop material sensors (104) are positioned on an underside of the chaffer (108). The fan (113) is arranged to force air up through the chaffer (108). A control...

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Bibliographische Detailangaben
Hauptverfasser:	REICH, Adam A, BATCHELLER, Barry D, THUROW, Bradley R, SCHLEUSNER, Bradley K, GELINSKE, Joshua N, NYSTUEN, Paul A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGRICULTURE ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANIMAL HUSBANDRY CALCULATING COMPUTING CONVEYING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FERTILISING FISHING FORESTRY HANDLING RECORD CARRIERS HANDLING THIN OR FILAMENTARY MATERIAL HARVESTING HUMAN NECESSITIES HUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MOWING PACKING PERFORMING OPERATIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PLANTING PNEUMATIC TUBE CONVEYORS PRESENTATION OF DATA RADIO DIRECTION-FINDING RADIO NAVIGATION RECOGNITION OF DATA RECORD CARRIERS SHOP CONVEYOR SYSTEMS SOWING STORING TESTING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING TRAPPING WEIGHING
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Beschreibung
Zusammenfassung:	A combine harvester (500) comprises a threshing assembly (116), a cleaning shoe (117) having a chaffer (108) and a fan (113). A plurality of crop material sensors (104) are positioned on an underside of the chaffer (108). The fan (113) is arranged to force air up through the chaffer (108). A controller is configured to receive an input that is representative of chaffer material distribution (812) and decrease a fan speed (828) in response to the chaffer material distribution (812) being shifted toward the back of the chaffer (108).