CNH Industrial Belgium Patente

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Zusammenfassung wird geladen …

The drive system comprises a hydraulic pump and a hydraulic motor, both having an inlet port and an outlet port, the motor being a fixed displacement motor directly coupled to the cleaning fan for rotationally driving said fan, the pump being a variable displacement pump configured to produce a flow of hydraulic liquid to the motor. In a system according to the invention, the outlet port of the pump is coupled to the inlet port of the motor by a hydraulic line, wherein said line does not comprise a valve for regulating a flow of hydraulic liquid to the motor. In the system of the invention, the flow to the motor is not regulated through a flow regulating valve between pump and motor, but by changing the pump displacement electronically. To this aim, the pump includes an electronically actuated hydraulic control system for controlling the pump displacement regardless of the hydraulic pressure of the liquid in the hydraulic line between the pump and the motor. The pump and the motor are part of an open hydraulic circuit.

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A pickup assembly (2) for an agricultural harvester (1) comprises a pickup assembly frame (200), a pickup unit (10) carried by the pickup assembly frame (200) and configured to pick up crop from a field, a feeding auger (11) configured to receive the crop from the pickup unit (10) and feed the crop towards a crop inlet of the agricultural harvester (1), and a wind guard assembly (220). The wind guard assembly (220) comprises a wind guard frame (225) and a wind guard lifting mechanism coupled to the pickup assembly frame (200) and the wind guard frame (225) and comprising an actuator (151) for lifting the wind guard frame (225) from an operational configuration to a lifted configuration. The pickup assembly (2) further comprises a lock switch (160) and an electronic circuit, operatively coupled to the lock switch (160) and the actuator (151). The electronic circuit is configured to block control instructions from reaching the actuator (151) when the lock switch (160) is in an activated state and to allow control instructions to reach the actuator (151) when the lock switch (160) is in a deactivated state.

The present invention relates to a frame (100) for movably supporting a spreader device (74) at a rear end of an agricultural vehicle (10). The frame (100) comprises two side arms (110) configured to support the spreader device (74) therebetween, and at least a first safety arm (120), extending from a first one of the side arms (110). An elongated safety latch (130) is pivotably connected to the first safety arm (120), and comprises an engagement feature (132) that is configured to engage with a complementary engagement feature (230) laterally extending from the rear end of the agricultural vehicle (10) to temporarily block the frame (100) from pivoting relative to the rear end of the agricultural vehicle (10) in at least one pivoting direction. The elongated safety latch (130) further comprises a contact edge (133) that is arranged to get into a sliding contact with the complementary engagement feature (230) during a portion of an upward pivoting motion of the frame (100).

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Zusammenfassung wird geladen …

A pickup assembly (2) for an agricultural harvester (1) comprises a pickup assembly frame (200), a pickup unit (10), a wind guard assembly (220), and a feeding auger (11). The pickup unit (10) is carried by the pickup assembly frame (200) and configured to pick up crop from a field. The wind guard assembly (220) is pivotably coupled to the pickup assembly frame (200). The feeding auger (11) is rotatably coupled to an auger arm (110), the auger arm (110) being pivotably connected to the pickup assembly frame (200) at a first pivot axle (116). An auger control arm (111) extends from the first pivot axle (116) in a direction different from the auger arm (110) and is configured for pivoting together with the auger arm (110). The auger control arm (111) is configured to provide at least one of the following functions:limiting a maximum height of the feeding auger (11),limiting a minimum height of the feeding auger (11),providing suspension for the feeding auger (11) when pivoting relative to the pickup assembly frame (200), andlifting the feeding auger (11), together with the wind guard assembly (220).

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An agricultural mowing device (120) that includes a tongue (122) configured for connecting to an agricultural vehicle (110), a trail frame (124), first and second trail-frame wheels (128), first and second lift actuators (134) for lifting the trail frame (124), a trail-frame actuating mechanism (136) operably connected in between the tongue (122) and the trail frame (124) and configured for rotating the trail frame (124), and a transport system (200). The transport system (200) includes a transport frame (202), first and second transport wheels (206), and a transport actuating mechanism (208) rotatably connecting the transport frame (202) to the tongue (122). The transport actuating mechanism (208) includes a transport actuator (220) operably connected in between the tongue (122) and the transport frame (202) and configured for rotating the transport frame (202).

Aspects of the present invention relate to a cutting apparatus (34) for a header of an agricultural harvester, a header (18) including the cutting apparatus, an agricultural harvester (10) including the header and a method (150) of controlling the cutting apparatus. The apparatus (34) comprises: a first wheel (114) and a second wheel (116); a drive source (118) configured to selectively drive the first wheel (114) in a clockwise direction or an anticlockwise direction; a knife carrier (104) comprising a loop having a running side and a knife-carrying side, that is tensioned around the first and second wheels (114, 116) for transmitting torque from the drive source (118) to rotate the wheels (114, 116) and the knife carrier (104); a plurality of knives (102) for cutting crop mounted to the knife-carrying surface of the knife carrier (104); and a sensor (120) for monitoring operation of the knives (102).

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The present disclosure relates to an agricultural system comprising an agricultural baler (10) and a control unit. The agricultural baler comprises a rotary input shaft (27) connected by way of a baler driveline to a rotatable flywheel (28), the driveline including one or more clutches (49, 54) for controllably transferring rotary drive between the input shaft (27) and the flywheel (28). The control unit is configured to receive input-power-data indicative of a drive power available at the rotary input shaft (27); and determine a clutch-control-signal for controlling an amount of torque transferred from the input shaft to the flywheel via the one or more clutches, on the basis of the input-power-data.

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An agricultural harvester (100) includes: a chassis (101); a threshing and separation system (130) including at least one concave (132) carried by the chassis (101), the threshing and separation system (130) being configured to thresh and separate a flow of crop material (CM); and a controller (190) carried by the chassis (101). The controller (190) is configured to: operably couple to a moisture sensor (210, 220) disposed upstream of the threshing and separation system (130), relative to the flow of crop material (CM); determine a moisture level of crop material (CM) headed for the threshing and separation system (130); and output an adjustment signal to at least one component (105, 135, 136, 137) of the agricultural harvester (100) to adjust performance of the threshing and separation system (130) based at least partially on the determined moisture level.

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A method and system are provided for monitoring a bale shape. The method comprises receiving a series of bale images (210, 310) from a camera (40), identifying the bale (340) in the bale images (210, 310), determining at least one bale shape parameter of the identified bale, and providing an electronic signal representative of the bale shape parameter. The bale images (210, 310) comprise a view of at least an outlet (32) of a bale chamber (26) of an agricultural baler (10), of a bale (340) being ejected from the outlet (32), and of a field (320) travelled by the agricultural baler (10) during the ejection of the bale (340). The at least one bale shape parameter of the identified bale (340) is then determined based on at least one of the bale images (210, 310). The identifying of the bale (340) may, at least partly, be performed using trained neural networks and other artificial intelligence (Al) algorithms.

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A method for calibrating a height control system for an implement of an agricultural work vehicle can include providing an input signal to the height control system to adjust a height of the implement relative to the ground surface; monitoring the height of the implement relative to the ground surface; adjusting at least one gain of the height control system; and determining a maximum stability gain of the height control system based on the at least one gain and the monitored height. The maximum stability gain can correspond with a stability point of the height control system at which the height control system transitions from stable to unstable. The method can include setting gain(s) of the height control system based on the maximum stability gain.

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An agricultural vehicle has an engine (32), a threshing rotor (40), and a rotor drive system including a planetary gear assembly (206) and a fluid circuit for driving the threshing rotor (40) at a constant acceleration during a start-up procedure of the threshing rotor (40).

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