Abstract: A method for electrification of a field chopper comprising the steps of: providing a cable drum and a winding drive on the field chopper, the cable drum and winding drive allowing at least one of the winding and unwinding of an energy supply line about the cable drum; providing a cable arm on the field chopper, the cable arm configured to adjust in at least one of an orientation and extension length to provide guided winding or unwinding of the energy supply line along a field surface; providing a pivotable ejection chute on the field chopper, the ejection chute extending beyond the cable arm and configured to transfer a chopped harvested material onto a transport vehicle driving alongside the field chopper; unwinding the energy supply line while along a first processing strip from the cable drum using the winding drive and cable arm; and winding the energy supply while along a second processing strip about the cable drum using the winding drive and the cable.

Abstract: An electric power supply system for a vehicle fleet includes a first base station configured to be attached to a first fleet vehicle and a second base station configured to be attached to a second fleet vehicle. A carrier rope spans between the first and second base stations. The carrier rope is variable in length. A cable is operably run in loops on the carrier rope such that the cable has a fixed length. The cable is operably run via holding elements positioned along the carrier rope.

Abstract: A cable drum for supplying energy to an electrically operated utility vehicle includes an axially extending winding body, a winding drive for rotatably driving the winding body for reeling-up or unreeling an electric line, a spacing means for segmenting a winding layer reeled-up onto the winding body, and an air conveying means for generating cooling air through a passage region. The cooling air flows outward of the interior of the winding body. The passage region is kept clear between adjacent segments of the winding layer.

Abstract: A transformer with integrated cooling is disclosed. The transformer comprises a primary winding and a secondary winding, and a coolant line partly or completely embedded in at least one of the primary or secondary windings. The coolant line is supplied with coolant from a supply device. The coolant line has a plurality of exit holes that are arranged to lead in a direction of at least one of the primary or secondary winding, so as to supply it with coolant.

Abstract: An arrangement is provided for determining a spatial orientation of a line portion unrolled from a cable drum. The arrangement includes a fastening base and a measuring probe having a cable guide and being pivotable in relation to the fastening base about a first and second axes of rotation. The measuring probe is configured to interact with a sensor device, and the sensor device is configured to sense the first and second axes of rotation.

Abstract: A power train arrangement for a work vehicle with an engine may include an infinitely variable power source (“IVP”). An energy storage device may be configured to receive energy from the IVP for storage and to provide stored energy from the energy storage device to power one or more components of the IVP. A transmission may be configured to relay power from the engine and from the one or more components of the IVP to other components of the vehicle. A transient power event may be identified, during which a present operating state of the engine does not provide sufficient power for operations of the work vehicle. The energy storage device may be caused to provide stored energy to power the one or more components of the IVP source and thereby to provide power to the transmission.

Abstract: An electrohydraulic steer-by-wire steering system has an operator interface for specifying a turning angle, which is associated with a sensor for the acquisition of a position or movement of the operator interface. An electronic control device is connected to a first electrohydraulic circuit and to a second electrohydraulic circuit and set up in order to actuate the two electrohydraulic circuits as a function of a signal from the sensor. The system further includes a steering actuator for adjusting the turning angle of a steerable wheel. The steering actuator has two chambers each of which is connected simultaneously to the two electrohydraulic circuits.

Abstract: An electrohydraulic steer-by-wire steering system has an operator interface for specifying a turning angle, which is associated with a sensor for the acquisition of a position or movement of the operator interface. An electronic control device is connected to a first electrohydraulic circuit and to a second electrohydraulic circuit and set up in order to actuate the two electrohydraulic circuits as a function of a signal from the sensor. The system further includes a steering actuator for adjusting the turning angle of a steerable wheel. The steering actuator has two chambers each of which is connected simultaneously to the two electrohydraulic circuits.

Abstract: A power train arrangement for a work vehicle with an engine may include an infinitely variable power source (“IVP”). An energy storage device may be configured to receive energy from the IVP for storage and to provide stored energy from the energy storage device to power one or more components of the IVP. A transmission may be configured to relay power from the engine and from the one or more components of the IVP to other components of the vehicle. A transient power event may be identified, during which a present operating state of the engine does not provide sufficient power for operations of the work vehicle. The energy storage device may be caused to provide stored energy to power the one or more components of the IVP source and thereby to provide power to the transmission.

Abstract: The invention relates to a device for transmitting electrical energy from an agricultural utility vehicle (10) to an attachment (26) which can be reversibly coupled to the utility vehicle (10). The device comprises at least one power electronics system (38, 74) which is arranged on the utility vehicle side, at least one electrical utility vehicle interface (36) and at least one electrical attachment interface (34). The power electronics system (38, 74) can be supplied with electrical energy which can be generated by a generator (16) of the utility vehicle (10). The power electronics system (38, 74) can be connected electrically to the generator (16) and to the utility vehicle interface (36). The attachment (26) has at least one attachment interface (34) and at least one electrical load (30, 102, 104). An agricultural working function can be carried out with the electrical load (30, 102, 104) of the attachment (26).

Abstract: The invention relates to a drive system (10) for an agricultural or industrial vehicle, preferably a tractor (12). Said drive system (19) comprises at least one electric generator (24, 26) as well as a first and a second electric machine (28, 30). The at least one electric generator (24, 26) can be driven using torque generated by a vehicle engine (22). At least one of the two electric machines (28, 30) can be driven using the electric power generated by the electric generator (24, 26). The mechanical torque generated by the first and/or the second electric machine (28, 30) can be transmitted to at least one driving axle (14, 16) of the vehicle in order to allow the vehicle to move. The invention further relates to an agricultural vehicle comprising such a drive system (10).

Abstract: The present invention relates to control system for a vehicle. The control system includes a manually operable control lever, such as a joystick, an actuator, a sensor and a control unit. The control lever sets a state variable of the vehicle. The actuator applies a force to the control lever. The sensor senses a vehicle parameter and transmits a parameter signal to the control unit. The control unit determines a current operating state of the vehicle. The control unit, depending on the present operating state of the vehicle, controls the actuator and causes it to apply a changed, predetermined force to the control lever, in order to make the operator aware of an unsafe operating state.

Abstract: The present invention is directed to a device for steering a second agricultural machine which can be steered over a field relative to a first agricultural machine. The device includes a distance meter mounted on one of the machines and operable for recording measured values with regard to direction and distance of objects adjacent to the distance meter over a horizontal region. The device also includes an evaluating means which is connected to the distance meter and is designed to output a steering signal for causing guidance of the second machine relative to the first machine on the basis of the measured values of the distance meter.

Abstract: A drive system for a vehicle is provided, in particular for an agricultural or industrial utility vehicle. The drive system comprises a first and a second drive assembly (, a first and a second branch, at least one control unit and at least one output interface. The first drive assembly is connectable to the first branch. The second drive assembly is connectable to the second branch. The first branch and/or the second branch is/are reversibly connectable to the output interface. The drive assemblies are controllable by the at least one control unit such that the drive assemblies output independently from each other infinitely variable power.

Abstract: A drive system for an agricultural or industrial utility vehicle. The drive system comprises a drive assembly that generates a mechanical torque, a first, second and third electric machine, a first mechanical output interface used to drive at least one vehicle rude and a second mechanical output interface. An electric machine comprises a rotor which is connected to a shaft in a rotationally fixed manner. A shaft driven by the drive assembly is rotationally connected to the shaft of the first electric machine. The second output interface is used to mechanically drive a tool which can be coupled to the utility vehicle. The shaft of the second electric machine and/or the shaft of the third electric machine can be reversibly connected to the first mechanical output interface.

Abstract: A drive system for an agricultural or industrial utility vehicle is provided. The drive system comprises a drive assembly that generates a mechanical torque, a first and a second electric machine, a first mechanical output interface used to drive at least one vehicle axle and a second mechanical output interface. A shaft driven by the drive assembly is rotationally connected to a shaft of the first electric machine. The second output interface is used to mechanically drive a tool which can be coupled to the utility vehicle. The shaft of the second electric machine can be reversibly connected to the first mechanical output interface. In order to allow for a connection modification of the second electric machine without producing interruptions or irregularities of torque, a third electric machine is provided the shaft of which can be reversibly connected to the first mechanical output interface.

Abstract: A measuring arrangement for measuring the movement of a piston within a housing of a fluid cylinder includes a voltage generating arrangement for generating a reference voltage which is coupled to two locations of the cylinder which are spaced from each other in the direction of movement of the piston within the housing, these two locations being separately coupled to a piston movement evaluation arrangement which is also separately coupled to one or more further locations of the cylinder to which the two locations are electrically coupled so as to receive varying measurement voltage(s) as the two locations move relative to the further location(s). The evaluation arrangement uses the measurement voltage(s) to determine the piston movement.

Abstract: A gearbox shifting point for producing a rotationally fixed connection between at least one gearwheel and one shaft. The gearbox shifting point comprises a shaft, a shifting sleeve and two gearwheels. The two gearwheels are each rotatably mounted in relation to the shaft. The shifting sleeve is mounted in a rotationally secured fashion on the shaft. The shifting sleeve and the gearwheels are embodied in such a way that a positively locking, rotationally fixed connection can be produced between the shifting sleeve and in each case one gearwheel. In order to improve problems with respect to a gearshifting hole or blockage of the gearbox, the shifting sleeve interacts with the two gearwheels in such a way that at least one positively locking, rotationally fixed connection is always produced between the shifting sleeve and one of the gearwheels.

Abstract: The invention relates to a device for supplying electricity to an agricultural utility vehicle (10) and/or an attachment (26) which can be coupled to the utility vehicle (10). The utility vehicle (10) comprises a generator (16) and an attachment interface (24). Electrical energy can be generated by means of the generator (16). At the attachment interface (24) an attachment (26) can be reversibly coupled to the utility vehicle (10). The attachment (26) has at least one electrical load by means of which an agricultural working function can be carried out. So that the attachment (26) can be controlled more flexibly or better when it is operating, the device according to the invention is defined by a transmission device and at least one transformer (40). By means of the transmission device the electrical energy which is generated by the generator (16) of the utility vehicle (10) can be transmitted in the form of alternating voltage to the attachment (26). The transformer (40) is provided on the attachment (26).

Abstract: The invention relates to a gear shifting point (10) for producing a rotationally fixed connection between a toothed wheel (16, 18) and a shaft (12). Said gear shifting point (10) comprises a shaft (12), a sliding sleeve (24) and at least one toothed wheel (16, 18). The toothed wheel (16, 18) is mounted rotationally with respect to the shaft (12). The sliding sleeve (24) is mounted on the shaft (12) in such a way that it is not rotatable therewith. The toothed wheel (16, 18) and the sliding sleeve (24) are embodied in such a way that a rotationally fixed connection can be produced therebetween in the coupled state of the gear shifting point (10) and no connection can be produced between the toothed wheel (16, 18) and the sliding sleeve (24) in the neutral state of the gear shifting point (10).