Method of evaluating accumulators of planter downforce system
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United States of America Patent
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Sep 19, 2017
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N/A
app pub date -
Jul 13, 2015
filing date -
Jul 13, 2015
priority date (Note) -
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Abstract
A planter downforce system includes a plurality of hydraulic accumulators. Each of the plurality of hydraulic accumulators is operatively connected to a pressure line associated with a row unit of a planter. A pressure sensor is operatively connected to the pressure line. An orifice is operatively connected to the pressure line to limit flow of fluid within the pressure line to a hydraulic zero-pressure tank. A controller is operatively connected to the pressure sensor and configured to determine accumulator charge pressure of the accumulators.
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