Distribution device for granular material
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United States of America Patent
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Feb 20, 2018
Grant Date -
Mar 31, 2016
app pub date -
Sep 25, 2015
filing date -
Sep 26, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A distribution device for metering granular material, such as seeds, fertilizer, or the like. The seed drill coulters of this distribution device are supplied with grains from at least one grain storage hopper via respectively separate feed tubes, wherein each of these feed tubes is allocated a metering device and a sensor unit for detecting the grains located in the partial flow. Each sensor unit and each metering device are respectively connected in signaling terms with a central regulating device, which processes the quantities of grains detected in the feed tubes as well as the motor torques measured in the metering devices, and which regulates the grain distances for each metering device by varying the drive speeds of the drives under consideration of target values for the grain distances and/or of target values of a longitudinal distribution of the grains from single, multiple, or all metering devices.
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