Abstract: A system for cleaning an air intake screen of a work vehicle may include an engine air intake assembly having an air intake screen through which an airflow is directed for subsequent delivery to an engine of a work vehicle. The system may further include a nozzle provided in operative association with the engine air intake assembly and directed towards the air intake screen. Additionally, the system may include a pressurized fluid source configured to supply pressurized fluid to the nozzle. The pressurized fluid received by the nozzle is expelled from the nozzle and directed through the air intake screen.

Abstract: A self-cooling system includes at least one rotating component and a housing configured to enclose the at least one rotating component. The housing includes at least one inlet bore and at least one exhaust bore. The at least one exhaust bore is disposed radially outward from a radial position of the at least one inlet bore with respect to an axis of rotation of the at least one rotating. The at least one inlet bore and the at least one exhaust bore are positioned to establish a pressure differential configured to circulate a fluid into the at least one inlet bore, through the housing, and out the at least one exhaust bore. The system does not have any feature in addition to the at least one rotating component configured to drive the fluid into the at least one inlet bore, through the housing, and out the at least one exhaust bore.

Abstract: A mixing conduit for use within an exhaust treatment system of a work vehicle. The mixing conduit is configured to receive engine exhaust and a mixture of engine exhaust and reductant. The mixing conduit includes an outer tube and an inner tube within the outer tube. Each tube extends lengthwise from upstream ends to downstream ends of the inner and outer tubes, respectively. The inner tube includes an exterior surface, and the outer tube includes an interior surface. The inner tube defines an inner flowpath within the inner tube. The outer tube and inner tube also define an outer flowpath radially between the exterior surface of the inner tube and the interior surface of the outer tube. The mixing conduit further includes one or more swirler vanes extending radially between the exterior surface of the inner tube and the interior surface of the outer tube and within the outer flowpath.

Abstract: A control system of an agricultural harvester for controllably harvesting a crop material includes: a lidar sensor configured for sensing a field condition in a forward path of travel of the agricultural harvester and thereby for outputting a field condition signal corresponding thereto; and a controller operatively coupled with the lidar sensor and a header assembly of the agricultural harvester configured for removing the crop material from a field, the controller configured for receiving the field condition signal and for outputting an adjustment signal to raise the header assembly, based at least partially on the field condition signal, when the agricultural harvester reaches an end of a plurality of crop rows.

Abstract: A selective catalytic reduction (SCR) system includes a SCR canister including a SCR inlet configured for receiving engine exhaust from a work vehicle and a SCR outlet configured for expelling a treated exhaust flow. The system includes first and second SCR chambers housed within the SCR canister and configured to react mixtures of exhaust reductant and associated first and second portions of the engine exhaust with a catalyst to generate first and second treated exhaust flow portions, respectively. The system includes an outlet chamber positioned between the SCR outlet and the first and second SCR chambers. Moreover, the outlet chamber is configured to combine the first and second treated exhaust flow portions to form the treated exhaust flow. Further, the system includes a chamber mixer positioned upstream of the SCR outlet and configured to promote mixing of the first and second treated exhaust flow portions within the outlet chamber.

Abstract: A mixing conduit for use within an exhaust treatment system of a work vehicle. The mixing conduit is configured to receive engine exhaust and a mixture of engine exhaust and reductant. The mixing conduit includes an outer tube and an inner tube within the outer tube. Each tube extends lengthwise from upstream ends to downstream ends of the inner and outer tubes, respectively. The inner tube includes an exterior surface, and the outer tube includes an interior surface. The inner tube defines an inner flowpath within the inner tube. The outer tube and inner tube also define an outer flowpath radially between the exterior surface of the inner tube and the interior surface of the outer tube. The mixing conduit further includes one or more swirler vanes extending radially between the exterior surface of the inner tube and the interior surface of the outer tube and within the outer flowpath.

Abstract: A selective catalytic reduction (SCR) system includes a SCR canister including a SCR inlet configured for receiving engine exhaust from a work vehicle and a SCR outlet configured for expelling a treated exhaust flow. The system includes first and second SCR chambers housed within the SCR canister and configured to react mixtures of exhaust reductant and associated first and second portions of the engine exhaust with a catalyst to generate first and second treated exhaust flow portions, respectively. The system includes an outlet chamber positioned between the SCR outlet and the first and second SCR chambers. Moreover, the outlet chamber is configured to combine the first and second treated exhaust flow portions to form the treated exhaust flow. Further, the system includes a chamber mixer positioned upstream of the SCR outlet and configured to promote mixing of the first and second treated exhaust flow portions within the outlet chamber.

Abstract: A system for cleaning a grille of a work vehicle may include a grille defining an inner side facing towards an interior portion of a work vehicle and an outer side facing towards an exterior of the work vehicle. The system may further include a plurality of nozzles fixed relative to the grille and being directed towards the inner side of the grille. Additionally, the system may include a pressurized fluid source configured to supply pressurized fluid to the plurality of nozzles. The pressurized fluid received by the plurality of nozzles is expelled from the plurality of nozzles and directed through the grille.

Abstract: A system for cleaning an air intake screen of a work vehicle may include an engine air intake assembly having an air intake screen through which an airflow is directed for subsequent delivery to an engine of a work vehicle. The system may further include a nozzle provided in operative association with the engine air intake assembly and directed towards the air intake screen. Additionally, the system may include a pressurized fluid source configured to supply pressurized fluid to the nozzle. The pressurized fluid received by the nozzle is expelled from the nozzle and directed through the air intake screen.

Abstract: A cab for a work vehicle includes: walls enclosing a cab environment; a door coupled to one of the walls, one of the walls or the door comprising a vent opening; a heating, ventilation, and air conditioning (HVAC) system coupled to the cab environment and configured to regulate a temperature and a pressure of the cab environment; and a pressure control flap associated with the vent opening and comprising a pressure-relief opening and a magnetic portion that is configured to hold the flap closed when the pressure of the cab environment is below a threshold pressure and allow the pressure to open the flap when the pressure exceeds the threshold pressure.

Abstract: In one aspect, a method for generating agricultural treatment prescriptions includes generating a pre-emergence field contour map for a field based on pre-emergence aerial data collected for the field, the pre-emergence field contour map being indicative of the ground surface topology of the field in a pre-emergence condition. The method also includes generating a post-emergence field contour map for the field based on post-emergence aerial data collected for the field, the post-emergence field contour map being indicative of a field topology of the field following plant emergence. In addition, the method includes identifying individual plant heights of the plants based at least in part on a comparison between the pre-emergence field contour map and the post-emergence field contour map, and determining a treatment prescription for applying one or more agricultural products to the field based at least in part on the individual plant heights.

Abstract: An exhaust treatment system for a work vehicle includes a selective catalytic reduction (SCR) system configured to react a mixture of reductant/exhaust with a catalyst to generate a treated exhaust flow. The system also includes a flow conduit in fluid communication with an outlet of the SCR system for receiving the treated exhaust flow and an exhaust sensor positioned within the flow conduit downstream of the SCR outlet. The exhaust sensor is configured to detect an amount of an emission gas present in the treated exhaust flow. Additionally, the system includes a flow mixer positioned upstream of the exhaust sensor. The flow mixer includes first and second sets of swirler vanes configured to impart a spiraling flow trajectory to the treated exhaust flow flowing between the SCR outlet and the exhaust sensor, with the first set of swirler vanes being spaced radially from the second set of swirler vanes.

Abstract: A cab for a work vehicle includes: walls enclosing a cab environment; a door coupled to one of the walls, one of the walls or the door comprising a vent opening; a heating, ventilation, and air conditioning (HVAC) system coupled to the cab environment and configured to regulate a temperature and a pressure of the cab environment; and a pressure control flap associated with the vent opening and comprising a pressure-relief opening and a magnetic portion that is configured to hold the flap closed when the pressure of the cab environment is below a threshold pressure and allow the pressure to open the flap when the pressure exceeds the threshold pressure.

Abstract: An exhaust system for a work vehicle includes a mixer that includes a nozzle configured to receive a first exhaust flow along a lateral axis through a plurality of openings in a peripheral wall of the nozzle. The nozzle also receives a diesel exhaust fluid along a longitudinal axis through a longitudinal inlet. Further, the nozzle is configured to mix the first exhaust flow and the diesel exhaust fluid to form an exhaust solution. In addition, the mixer includes a conduit configured to receive the exhaust solution along the longitudinal axis. Moreover, the conduit has an opening configured to receive a portion of the nozzle, and the conduit is configured to receive a second exhaust flow through a gap formed between the nozzle and the conduit at the opening, and the opening is positioned downstream of the plurality of openings.

Abstract: An exhaust treatment system for a work vehicle includes a reductant injector configured to inject an exhaust reductant into the engine exhaust flow flowing through a mixing conduit. A plurality of flow separation elements are located downstream of the reductant injector and are configured to separate a liquid reductant flow from an inner conduit wall of the mixing conduit for mixing with the engine exhaust flow flowing therein.

Abstract: An exhaust treatment system for a work vehicle includes a reductant injector configured to inject an exhaust reductant into the engine exhaust flow flowing through a mixing conduit. A flow separation nozzle is located downstream of the reductant injector and is configured to separate a liquid reductant flow from an inner conduit wall of the mixing conduit for mixing with the engine exhaust flow flowing therein.

Abstract: An exhaust system for a work vehicle includes a selective catalytic reduction (SCR) mixer configured to be disposed within an interior of an SCR housing. The SCR mixer includes an intake conduit configured to receive a flow of an exhaust solution that includes a mixture of exhaust and diesel exhaust fluid. The SCR mixer also includes a J-turn conduit configured to receive the flow of the exhaust solution from the intake conduit, and the J-turn conduit is configured to change a direction of the flow of the exhaust solution. In addition, the SCR mixer includes an exhaust conduit configured to receive the flow of the exhaust solution from the J-turn conduit, and the exhaust conduit includes multiple outlets configured to direct the flow of the exhaust solution out of the SCR mixer to the interior of the SCR housing.

Abstract: A cooling system includes a charge air cooler system that includes a first stage and a second stage. The first stage receives charge air via a charge air flow path. The first stage receives coolant fluid via a first coolant fluid flow path. The second stage receives the charge air from the first stage via the charge air flow path, such the second stage of the charge air cooler system outputs the charge air and receives the coolant fluid via a second coolant fluid flow path. The cooling system includes a low temperature radiator system that includes a low-temperature radiator that directs the coolant fluid toward the second coolant fluid flow path and a third coolant fluid flow path. The cooling system includes a high temperature radiator system that directs the coolant fluid toward the first stage via the first coolant fluid flow path.

Abstract: A cooling system includes a charge air cooler system that includes a first stage that receives charge air via a charge air flow path and receives coolant fluid via a first coolant fluid flow path. A second stage receives charge air from the first stage via the charge air flow path, outputs the charge air, and receives the coolant fluid via a second coolant fluid flow path. A third stage receives and outputs the charge air from the second stage via the charge air flow path and receives the coolant fluid via a third coolant fluid flow path. The cooling system includes a low temperature radiator system that includes a low temperature radiator that directs the coolant fluid toward the third stage via the third coolant fluid flow path and includes a high temperature radiator system that directs the coolant fluid toward the first stage and second stage.

Abstract: An exhaust system for a work vehicle includes a mixer that includes a nozzle configured to receive a first exhaust flow along a lateral axis through a plurality of openings in a peripheral wall of the nozzle. The nozzle also receives a diesel exhaust fluid along a longitudinal axis through a longitudinal inlet. Further, the nozzle is configured to mix the first exhaust flow and the diesel exhaust fluid to form an exhaust solution. In addition, the mixer includes a conduit configured to receive the exhaust solution along the longitudinal axis.