Tillage electro-hydraulic design and layout on raise and lower system on a front fold machine
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United States of America Patent
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Jun 5, 2018
Issued Date -
N/A
app pub date -
Mar 31, 2016
filing date -
Dec 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An agricultural tillage implement has a main frame section, a left wing section, and a right wing section. Lift wheels and gauge wheels are actuated by hydraulic cylinders supplied by a hydraulic system. Solenoid valves connect groups of hydraulic cylinders to each other and to bypass circuits. The solenoid valves and the bypass circuits function to selectively allow coordinated control and individual control of the lift wheels and gauge wheels. The hydraulic system has at least one hydraulic flow divider and combiner dividing hydraulic flow and pressure between at least one left hydraulic circuit and at least one right hydraulic circuit. The at least one hydraulic flow divider and combiner functions to coordinate the motion of the left rear lift wheels and gauge wheels, and the right rear lift wheels and gauge wheels, and may be overridden by bypass valves.
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