Method and apparatus for controlling the depth of an agricultural work unit mounted to a frame that can be raised and lowered by a cylinder assembly
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United States of America Patent
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-
Dec 30, 2014
Grant Date -
N/A
app pub date -
May 16, 2013
filing date -
Jun 5, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An agricultural implement has a depth control system in which a position sensor directly measures linear translation of a hydraulic cylinder that lifts and lowers the implement frame to set and adjust the depth of the implement frame. The position sensor may be positioned adjacent to or integrally formed with the hydraulic cylinder, and provides a voltage to a controller remote from the implement. The controller automatically adjusts the flow of hydraulic fluid to and from the hydraulic cylinder to maintain the depth of the implement frame at an operator-selected level.
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Family
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