945results about "Agricultural vehicles" patented technology

An electric work vehicle includes a body having a frame structure including a front part and a rear part, the front part providing for a power section, the rear part providing for a drive section; a battery in the power section; an electric motor for traveling configured to receive electric power from the battery; and a cooling fan. The electric motor for traveling is in an air flow space formed in the power section, and the cooling fan is adjacent to an air outlet formed in a front end region of the air flow space.

An agricultural vehicle includes a chassis, a plurality of tractive elements, a steering input device configured to steer the agricultural vehicle to perform a turn, and a steering control system configured to operate the steering input device. The chassis includes a first chassis portion and a second chassis portion pivotably coupled to the first chassis portion. The steering control system includes processing circuitry configured to obtain steering condition data corresponding to steering conditions of the steering input device, obtain partial curvature data corresponding to curvatures of the first chassis portion, determine, based on the partial curvature data, curvature data corresponding to curvatures of the agricultural vehicle, generate, based on the steering condition data and the curvature data, a primary curvature model that determines steering condition data given commanded curvature data, and operate the steering input device using (1) the primary curvature model and (2) a given command curvature.

An agricultural tractor includes a vehicle frame, and a front housing supported by the vehicle frame. The front housing includes, a fixed housing portion fixed to the vehicle frame, a movable housing portion supported by the vehicle frame or the fixed housing portion and being openable and closeable.

A work vehicle has two transaxles carried by a chassis each having wheel end units rotatable to drive ground-engaging members about wheel axes and having electric machines powering transmission configured to effect multiple gear ratios. The electric transaxles are operationally mechanically uncoupled. One or more sensors detect speed, heading, and loading characteristics of the work vehicle. A controller, having memory and processing architecture, is configured to process control to: receive from the one or more sensors input of the speed, heading, and loading characteristics of the work vehicle. The controller determines a shift pair sequence for shifting the first transmission and the second transmission based on the received input of the speed, heading, and loading characteristics of the work vehicle. The shift pair sequence defines a shift time (tS1) for shifting the first transmission and a shift time (tS2) for shifting the second transmission in which the shift time tS1 is the same or different than the shift time tS2. The controller generates a first shift command to shift the first transmission at the shift time tS1 while the second electric transaxle drives the work vehicle and generate a second shift command to shift the second transmission at the shift time tS2 while the first electric transaxle drives the work vehicle.

A mobile agricultural machine obtains an agricultural characteristic map indicative of agricultural characteristics of a field, wherein the agricultural characteristic map is based on data collected at or prior to a first time. The mobile agricultural machine obtains supplemental data indicative of characteristics relative to the worksite, the supplemental data collected after the first time. An agricultural characteristic confidence output, indicative of a confidence level in the agricultural characteristics indicated by the agricultural characteristic map, is generated based on the agricultural characteristic map and the supplemental data. In some examples, an action signal is generated to control an action of the mobile agricultural machine based on the agricultural characteristic confidence output.

The present disclosure relates a power transmission system (100) for a work machine (50). The work machine is defined by drive wheels (14) for driving the work machine and a power take off (PTO) shaft (18) for driving a plurality of implements attached to the work machine. The system (100) comprises a first prime mover (10), a second prime mover (16), a first gear (20), a second gear (22), an engaging unit (24) and a switch. The engaging unit (24) is configured to be operatively mounted on the PTO shaft (18). The engaging unit (24) is configured to be displaced on the PTO shaft (18) from an idling configuration to an engaging configuration based on the satisfaction of a predetermined set of conditions. The system provides the compact assembly without any additional requirement of any external transmission assembly. Also, it makes the coupling response quick and provides smooth and noise free shifting and coupling of gears.

An electric work vehicle includes a chassis, a battery housing supported by the chassis, a rear axle, and an isolation structure. The chassis includes an intermediate frame attached to a rear portion of the battery housing. The intermediate frame is located between the battery housing and the rear axle in a front-rear direction of the electric work vehicle. The intermediate frame includes a plurality of wall portions that define an interior space. At least one of the plurality of wall portions includes a wall surface that faces the interior space. The isolation structure is attached to the wall surface.

A feed control system for a spreader includes a section configuration module configured to output a section configuration and a section control module configured to receive the section configuration, determine a first actuator position based on the section configuration, and determine a second actuator position based on the section configuration. The feed control system also includes a belt speed module configured to receive the section configuration, receive a commanded belt speed, and determine a target belt speed based on (i) the section configuration and (ii) the commanded belt speed.

A framework for safely operating autonomous machinery, such as vehicles and other heavy equipment, in an in-field or off-road environment, includes detecting, identifying, and tracking objects from on-board sensors configured with the autonomous machinery as it performs activities in either an agricultural setting or a transportation environment. The framework generates commands for navigational control of autonomously-operated vehicles in response to detected objects and predicted tracks thereof for safe operation in the performance of those activities. The framework processes image data and range data in multiple fields of view around the autonomously-operated to discern and track objects in a deep learning to accurately interpret this data for determining and effecting such navigational control.

An agricultural vehicle includes a driveline, an interface, and a control system. The driveline includes an engine, a transmission, and a power take off (PTO). The interface is configured to removably couple an implement with the agricultural vehicle. The implement configured to perform an agricultural function. The control system includes processing circuitry configured to obtain an indication of a type of the implement that is removably coupled with the agricultural vehicle. The processing circuitry is also configured to determine a profile for at least the transmission based on the type of the implement that is removably coupled with the agricultural vehicle. The profile defines an operating parameter for at least the transmission such that the transmission operates in a specific manner for the type of the implement. The processing circuitry is also configured to operate at least the transmission according to the operating parameter of the profile.

A suspension control system can include a chassis and a suspension component operably coupled with the chassis. A boom assembly can be operably coupled with the chassis. One or more sensors can be configured to generate data indicative of a chassis orientation or boom assembly orientation relative to a level axis. A computing system can be communicatively coupled to the one or more sensors. The computing system can be configured to calculate an offset angle based on data from the one or more sensors, compare the offset angle to a defined correction threshold, and generate instructions to actuate the suspension component by a correction factor when the offset angle exceeds the defined correction threshold.

An agricultural vehicle includes a frame, a body assembly coupled with the frame, a suspension system and a control system. The suspension system includes a pair of dampers positioned at opposite lateral ends of an axle. The suspension system includes a hydraulic system having a hydraulic line fluidly coupling the pair of dampers with each other through a valve. The valve is actuatable between an open position wherein the pair of dampers are fluidly coupled with each other, and a closed position in which the pair of dampers are hydraulically isolated from each other. The control system circuitry configured to obtain sensor feedback indicating a steering operation of the agricultural vehicle, and responsive to the steering operation of the agricultural vehicle, operate the valve into the closed position to hydraulically isolate the pair of dampers from each other to reduce a roll of the body assembly of the agricultural vehicle.

An electric work vehicle includes a work implement, a battery, a motor driven by electric power supplied by the battery, a traveler driven by the motor, a hydraulic pump that is driven by the motor to supply oil to an operating mechanism of the work implement, a transmission to transmit motive power from the motor to the hydraulic pump, and a case that houses the transmission. The case is coupled to the motor, and the hydraulic pump his supported by the case.

A work vehicle includes a fuel cell, and a fuel tank module including fuel tanks to store fuel to be supplied to the fuel cell, a valve system connected to the fuel tanks, and a tank case housing the fuel tanks and the valve system. The fuel tanks include a first fuel tank with a first length in a first direction, and second fuel tank with a second length shorter than the first length in the first direction. The first fuel tank and the second fuel tank are arranged in a second direction perpendicular or substantially perpendicular to the first direction. At least a portion of the valve system is in a space between the second fuel tank and the tank case inside the tank case.

An electric drive axle for a work vehicle has an axle housing configured for mounting on the chassis of the work vehicle. The axle housing defines an internal cavity located between opposing ends that define openings. Wheel bearing units are at least partially mounted within the axle housing, each bearing unit having a hub that engages with a ground-contacting element of the work vehicle through one of the openings. Each bearing unit has drive components configured to rotate the hub of the bearing unit. A battery pack and a power control device are located within the axle housing between the wheel bearing units. The power control device is electrically coupled to the wheel bearing units and the battery pack to control the power supply to the wheel bearing units.Pipes inside the axle housing carry coolant from a housing inlet to the battery pack and power control device, and from the battery pack and power control device to a housing outlet.

A hybrid system for use with utility vehicles includes an electric motor including an output shaft and a conductor configured to alternatively receive power from or send power to an electrical power source. The hybrid system includes an internal combustion engine, a first pulley connected to and rotated by the internal combustion engine, and a clutch mechanism. The clutch mechanism includes a ratchet connected to the output shaft of the electric motor to rotate at a first rotational speed, a pawl carrier driven by the internal combustion engine to rotate at a second rotational speed, and one or pawls coupled to and configured to rotate with the pawl carrier. The one or more pawls are configured to be disengaged from the ratchet when the first and second rotational speeds differ and engaged with the ratchet when the first and second rotational speeds are equal.

A system for controlling the operation of an agricultural vehicle configured to tow an agricultural implement includes an engine coupled to a frame of the agricultural vehicle and a transmission operatively coupled to the engine. The system also includes a sensor configured to generate data indicative of a field surface incline forward of the agricultural vehicle relative to a direction of travel of the agricultural vehicle. Additionally, the system includes a computing system communicatively coupled to the sensor. The computing system is configured to determine a field surface incline parameter based on the data generated by the sensor. Furthermore, the computing system is configured to initiate an adjustment to an operation of at least one of the engine or the transmission based on the determined field surface parameter prior to engagement of the field surface incline.

The present invention relates generally to agricultural devices, and in particular, to a gauge wheel system for use in an agricultural device. In one aspect of the invention there is provided a gauge wheel for use on cultivation equipment comprising a hub member having a central bearing portion for mounting to the cultivation equipment; a peripheral flange portion displaced laterally with respect to the hub member; and a resilient coil member mounted to a surface of the hub member at a proximal end and comprising at least two windings that extend between the hub member and the peripheral flange portion to terminate at a free distal end adjacent the peripheral flange portion; wherein the free distal end of the resilient coil member is constrained to prevent contact of the resilient coil member with the peripheral flange portion.

An agricultural management system includes a server configured or programmed to obtain implement information concerning a plurality of types of implements from a plurality of users and store the obtained implement information, and a processor configured or programmed to set a size of an alert zone around an implement connected with a work vehicle. The processor is configured or programmed to obtain identification information which identifies the first implement, retrieve implement information corresponding to the identification information from the server, and set the size of the alert zone based on the retrieved implement information.

An agricultural machine has an implement, an actuator, a human machine interface for manually controlling the actuator, a control unit and at least one sensor. The control unit is configured to execute a method for a sequence control to optimize a sequence step of the sequence control in case of a poor operation of the implement.

An electric work vehicle includes a chassis, a battery housing to house a plurality of battery modules, a cooling structure mounted to a front portion of the battery housing, and an inverter. The battery housing is supported by the chassis. The cooling structure includes a fan mounted at a front portion of the cooling structure. The fan is rotated by an electric motor powered by the inverter.

Systems and methods are provided for controlling operation of a trailer brake system associated with an agricultural vehicle, comprising: determining a coupling force associated with a coupling point for providing a coupling between the vehicle and a trailer; determining, in dependence on the coupling force, the presence of a trailer coupled to the vehicle at the coupling point; and controlling one or more components of the vehicle in dependence on the determination of the presence of the trailer.

The disclosure relates to an autonomously driving vehicle for traveling on an unpaved terrain section, comprising an assessment device and a control device, wherein the assessment device has a soil condition determination device for determining a condition parameter which is representative of the current soil condition of the terrain section, a storage device for storing a drivability dependence of acquired historic slipping data of the vehicle on the condition parameter, and an evaluation device, which determines a discrete drivability prediction of the terrain section by the vehicle based on the drivability dependence and the determined condition parameter. The control device is designed to control the vehicle based on the drivability prediction to drive on the terrain section. Furthermore, the disclosure relates to a computer-implemented control method for controlling the autonomously driving vehicle and a computer program product.

A vehicle includes a chassis, a housing to house one or more battery modules, the housing being supported by the chassis, an electric motor to receive electrical power from the one or more battery modules, a liquid cooling system including a radiator to cool a coolant when the coolant flows through the radiator, and one or more coolant pumps connected to the radiator to circulate the coolant, and an air cooling system to cool the one or more battery modules. The air cooling system includes a compressor, a condenser, and one or more evaporator coils, and the radiator and the condenser are located adjacent to each other.

An agricultural management system according to an embodiment includes: a server capable of obtaining implement information concerning a plurality of types of implements from a plurality of users and storing the obtained implement information; and a processing unit capable of setting a size of an alert zone around an implement connected with a work vehicle. The processing unit obtains identification information which identifies the first implement, the processing unit retrieves implement information corresponding to the identification information from the server, and the processing unit sets the size of the alert zone based on the retrieved implement information.

The invention provides a control system and method for power distribution and power generation control of an extended-range agricultural machine based on intelligent identification of a working road surface and a hybrid tractor. The control system comprises the following steps: identifying a field type by collecting image information of a driving road, calculating required power of a vehicle range extender in a corresponding working scene based on the field type, and controlling a range extender assembly; and adjusting the torque of the driving motor and the driving motor based on the field type, the rotating speed of the driving motor and the vehicle speed. Based on field type recognition and historical working data, accurate distribution of driving force and efficient and stable power generation of the range extender can be achieved, the safety and the service life of a power battery are guaranteed, and the farmland operation efficiency of the tractor is improved.

An unmanned vehicle management system includes: an inter-vehicle distance determination unit that determines an inter-vehicle distance between a sprinkling vehicle and an unmanned vehicle traveling behind the sprinkling vehicle in a same direction as that of the sprinkling vehicle based on a sprinkling state from a sprinkling spray provided in the sprinkling vehicle traveling in a work site; and an output unit that outputs, to the unmanned vehicle, inter-vehicle distance data indicating the inter-vehicle distance determined by the inter-vehicle distance determination unit.

A continuous tire inflation system (CTIS) including a first outer O-ring, a second outer O-ring, a CTIS adopter in fluid communication to a trumpet housing, where the first outer O-ring and the second outer O-ring cause a seal between an outer surface of the CTIS adopter and the inner surface of the trumpet housing. The system including a first sealing bush adopter, a second sealing bush adopter, a first CTIS seal, a second CTIS seal, a first retaining ring configured to retain the first CTIS seal in physical contact with the CTIS adopter; a second retaining ring configured to retain the second CTIS seal in physical contact with the CTIS adopter.

Embodiments herein disclose methods and systems for optimizing the productivity and improving the stability of electric vehicles by sensing field size and soil condition and automatically assisting the vehicle to turn by rotating inner wheels faster as compared to outer wheels of the vehicle and rotating front wheels of the vehicle faster as compared to rear wheels of the vehicle, and selectively braking respective wheel during headland operations. Embodiments herein enable operators to attain tight headland turns with lower head land space. Embodiments herein can detect a plurality of parameters such as, field conditions, soil condition, implements(s) connected to the vehicle, and so on, and control the turning radius of the vehicle as per requirement in at least one mode.

A work vehicle includes a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame that rotatably supports front wheels and rear wheels, and a fueling port connected to the at least one fuel tank via piping. The fueling port is provided at a position higher than an axle of the front wheels.