Cnh Industrial America LLC

Caterpillar Inc.

Cnh Industrial Canada, Ltd.

Cnh Industrial Belgium Nv

John C Endsley

James Wayne Henry

Tracey Duane Meiners

Christopher Barrick

Klint J Peterson

Kevin Douglas McKee

Duqiang Wu

Michael Glennon

Timothy R Blunier

Kena Shah

Michael H Hinrichsen

Christopher Stovall

David C Hale

Frank J Raab

John Henry Posselius

Dean A Knobloch

Michael George Kovach

Matthew R Sudbrink

David Schulte

Paul A Hurtis

David Long

C Nickolas Goloff

Jason E Andrews

Brice Magarity

Michael Freisleben

William F Guse, Jr

Joseph P Reilly

Tracey D Meiners

In one aspect, a system for detecting ground engaging tool float for an agricultural implement may include an implement having a ground engaging tool pivotally coupled to a frame and a biasing element coupled between the frame and the ground engaging tool. The biasing element may be configured to bias the ground engaging tool to a predetermined ground engaging tool position relative to the frame. The system may also include a sensor configured to detect a parameter indicative of a current position of the ground engaging tool relative to the frame. Additionally, the system may include a controller configured to monitor the current position of the ground engaging tool based on measurement signals received from the sensor and identify a time period across which the ground engaging tool is displaced from the predetermined ground engaging tool position. The controller may be further configured to compare the identified time period to a threshold time period to determine when a ground engaging tool float event is occurring during operation of the implement.

System and method for detecting ground engaging tool float for an agricultural implement

An agricultural product control system for an agricultural implement includes an actuator configured to control a penetration depth of an agricultural product application system within soil, a sensor positioned above a surface of the soil and configured to output a sensor signal indicative of agricultural product above the surface of the soil, and a controller including a memory and a processor. The controller is configured to receive the sensor signal indicative of the agricultural product above the surface of the soil, and output a control signal to the actuator indicative of instructions to adjust the penetration depth of the agricultural product application system based on the sensor signal indicative of the agricultural product above the surface of the soil.

Agricultural product control system for an agricultural implement

A system, apparatus and method for adjusting fore/aft level trim of the frame of a towed agricultural tillage implement utilize an electronic control unit that receives an input signal indicative of a desired depth of penetration of tillage tools operatively attached to the front and rear of the implement frame, and automatically computes a desired for/aft trim angle as a function of the desired depth input, and then adjusts the fore/aft trim of the implement frame by titling the frame toward the front or rear of the frame in accordance with the desired fore/aft trim angle computed from the desired depth input signal.

Method for adjusting the fore/aft trim of a towed implement frame

In one aspect, a system for regulating the flow of fluid supplied to actuators of an agricultural implement may include a tool and a fluid-driven actuator configured to actuate the tool relative to a surface. The system may also include a pump configured to supply fluid to the fluid-driven actuator and a valve configured to control a flow of the fluid supplied to the fluid-driven actuator. Furthermore, the system may include a first sensor configured to detect a parameter indicative of a first pressure upstream of the valve and a second sensor configured to detect a parameter indicative of a second pressure downstream of the valve. Additionally, the system may include a controller communicatively coupled to the first and second sensors, with the controller configured to determine a pressure differential across the valve based on measurement signals received from the first and second sensors.

System and method for regulating the flow of fluid supplied to actuators of an agricultural implement

A hydraulic system including a supply line, an implement-based control valve, an override valve supported by the implement, and a bypass line. The control valve is fluidly coupled to the supply line and configured to regulate a flow of pressurized hydraulic fluid supplied through a downstream actuator line to a hydraulic actuator of the implement. The override valve is fluidly coupled to the actuator line downstream of the control valve and includes a supply position at which the flow of pressurized hydraulic fluid from the control valve passes through the override valve to the hydraulic actuator. The override valve is actuatable to at least one override position at which the flow of pressurized hydraulic fluid from the control valve is cut-off. The bypass line is fluidly coupled between the supply line and the override valve such that a portion of the pressurized hydraulic fluid flows to the hydraulic actuator.

Hydraulic system for an agricultural implement incorporating an implement-based override valve

A hydraulic system includes a supply line, at least one implement-based control valve, an implement-based pressure regulating valve, and a load sensing circuit. The implement-based control valve(s) is fluidly coupled to the supply line and configured to regulate a flow of the pressurized hydraulic fluid supplied through at least one downstream actuator line to at least one hydraulic actuator of the implement. The implement-based pressure regulating valve is fluidly coupled to the supply line upstream of the control valve(s) and configured to regulate a fluid pressure to be equal to or greater than a minimum fluid pressure. The load sensing circuit is fluidly coupled to the pressure regulating valve and provides a line or load pressure to the pressure regulating valve. The pressure regulating valve is configured to regulate the supply of the pressurized hydraulic fluid based on the line pressure.

Hydraulic system for an agricultural implement incorporating implement-based hydraulic load sensing

A system for remotely controlling hydraulic component of an agricultural implement towed by a work vehicle may include a vehicle-based valve assembly that selectively supplies hydraulic fluid to one or more supply lines of the implement. Specifically, a first supply line may be fluidly coupled to an implement-based valve assembly that regulates the supply of hydraulic fluid to a hydraulic actuator through a first actuator line. A second supply line may be fluidly coupled to the first actuator line downstream of the implement-based valve assembly such that when a user provides a control input at a remote interface, the vehicle-based valve assembly may instead regulate the supply of hydraulic fluid to the actuator. The supply of the hydraulic fluid through the supply lines may additionally be controlled by first and second override valves fluidly coupled to the first and second supply lines, respectively.

System and method for remotely controlling hydraulic components of an agricultural implement

A method for automatically leveling an agricultural implement being towed by a work vehicle includes monitoring a vehicle inclination angle via at least one vehicle-based sensor supported on the work vehicle, monitoring an implement inclination angle via at least one implement-based sensor supported on the implement, and determining that the work vehicle has begun to travel across an inclined surface based on the vehicle inclination angle. The method further includes initially adjusting a position of a hitch of the work vehicle in a first direction to maintain the implement inclination angle within a predetermined angular inclination range as the vehicle travels across the inclined surface and adjusting the position of the hitch in a second direction opposite the first direction to maintain the implement inclination angle within the predetermined angular inclination range.

System and method for automatically leveling an agricultural implement

In one aspect, a system for rephasing fluid-driven actuators includes a plurality of fluid-driven actuators fluidly coupled together in series. A controller is configured to monitor a position differential existing between current positions of rods of the actuators relative to a differential threshold based on sensor measurements. The actuators are out-of-phase when the monitored differential exceeds the threshold. The controller is also configured to initiate a flow of fluid to the actuators to rephase the actuators when the monitored differential exceeds the threshold. The controller is further be configured to continue to monitor the differential following initiation of the flow of fluid to the actuators. Additionally, the controller is configured to implement a control action associated with terminating the rephasing of the actuators when the monitored differential remains constant after a first time period has elapsed following initiation of the flow of fluid.

System and method for rephasing fluid-driven actuators

An implement control system includes an automatic control valve assembly configured to utilize fluid from a supply conduit to cause a cylinder to raise a ground engaging tool relative to a soil surface and to utilize the fluid flow from the supply conduit to cause the cylinder to lower the ground engaging tool relative to the soil surface while an automatic control mode is active. The implement control system also includes a controller configured to control the automatic control valve assembly based on a position of the ground engaging tool relative to the soil surface to control the position of the ground engaging tool relative to the soil surface while the automatic control mode is active. The controller is also configured to deactivate the automatic control mode in response to fluid pressure within a first manual control conduit exceeding a threshold pressure.

Implement control system having a manual override

Automatic fore/aft leveling trim function in a towable tillage implement

In one aspect, a system for monitoring soil conditions within a field may include an implement configured to be traversed across a field. The implement may further include a plurality of ground engaging tools pivotally coupled to the frame and a plurality of sensors. Each sensor may be configured to detect a parameter indicative of a current position of one of the plurality of ground engaging tools. Additionally, the system may include a controller configured to monitor a displacement of each ground engaging tool and determine a current global ground engaging tool displacement parameter for the implement based on the monitored displacements of the plurality of ground engaging tools. Additionally, the controller may be configured to identify a soil condition for a swath of the field being traversed by the implement based on a comparison between the current global ground engaging tool displacement parameter and a predetermined global displacement threshold.

System and method for monitoring soil conditions within a field

A remotely positionable stabilizer wheel arrangement for a towable agricultural implement utilizes a control unit that receives an input signal indicative of a desired position of the stabilizer wheel, and/or a desired depth of penetration of tillage tools operatively attached to the front and rear of the implement frame, to automatically control a hydraulic positioning cylinder of the remotely positionable stabilizer wheel arrangement to position and hold the stabilizer wheel at the desired position of the stabilizer wheel, by controlling pressure in the hydraulic cylinder to hold the stabilizer wheel at a target position determined from the desired position input signal.

Cylinder pressure based position control of an implement stabilizer wheel

An agricultural tillage implement with a hydraulic system coupled to actuators of foldable wing sections and to actuators of wheel assemblies associated with each wing section. The hydraulic system having a wing sensor detecting an inner wing section being folded and at least one valve coupled to the wing sensor. The valve being activated by the wing sensor enabling a hydraulic fluid flow to the actuators associated with the wheel assemblies of the wing sections causing the wheel assemblies associated with the wing sections to thereby retract.

Agricultural tillage implement fold sequence control

A hydraulic pressure transformer has a port block which is attached to an end cap. The end cap includes a plurality of ports opening at an end face and at least one actuation port opening at or near a peripheral surface. A barrel which is rotatable about an axis includes a second end face and a plurality of cylinders having respective cylinder ports which open at the second end face. A port block disposed between the first end face and the second end face is rotatable about an axis and has a first face surface, a second face surface and a plurality of ports extending between the first face surface and the second face surface. The port block includes a radial periphery and at least one vane extending radially outward from the radial periphery to a position adjacent the peripheral surface of the opening.

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Washington, IL, United States of America

John C Endsley