The present invention relates to an apparatus and method for seed ablation. In accordance with the method of seed ablation, the apparatus is adapted to expose a heat source to a plurality of seeds while the seeds are in motion. Exposing of the heat source to the moving seed allows ablation of the seeds for de-awning and removing of the appendages of the seeds. In a particular arrangement the seeds are exposed to rotational movement within a centrifugal drum to form a rotating stream of seeds. A torch which reaches into the drum provides a flame directed to the stream of seeds for exposing the seeds to the flame. This allows the ablation of the seed awns and appendages over time as seeds enter into contact with the flame.

A harvesting vehicle including a cleaning section including a blower and at least one sieve. The sieve is configured to transport a layer comprising a mixture of grain kernels and residue material towards an exit edge of the sieve so that kernels fall through openings of the sieve and the residue remains on the sieve until it is ejected from the sieve by crossing the exit edge. The sieve may be subject to a grain loss, including a sieve-off loss and a blowout loss. The cleaning section further includes a sensor configured to determine whether the blowout loss or the sieve-off loss is a highest contributor to the grain loss. The cleaning section may also include a grain loss detector configured to measure the sieve-off loss and at least a portion of the blowout loss and a blowout sensor mounted above the sieve for measuring the blowout loss.

A self-adaptive throwing device for stalks cutting and discharging in the longitudinal axial flow combine harvesters comprises a longitudinal axial flow stalk discharging and guiding device, a stalks remnant shredding device, a wind direction and wind speed detection device, a reaping region identification device, an operating speed sensor, a shredding revolution speed sensor, a width adjustable throwing device, a self-adaptive throwing real-time control system. The throwing width is self-adaptive based on the machine operating speed, wind speed, wind direction, the position of the region having been cut and the region waiting to be cut, so as to achieve the full width throwing of the stalks remnant. An arc stalk guiding plate and a flow separating bar are mounted in the longitudinal axial flow stalk guiding device to make the shredding load more even.

A cleaning system for a combine harvester includes a sieve for capturing grain, and a magnetic propulsion system configured to move the sieve in a reciprocating motion with respect to a stationary housing of the combine harvester. The magnetic propulsion system includes a magnet that moves as the sieve moves and a plurality of electromagnets arranged along a path of movement of the magnet during a throw stroke and a return stroke of the sieve. During the throw stroke, the plurality of electromagnets may be one of attracted to and repulsed by the magnet. During the return stroke, the plurality of electromagnets may be another of attracted to and repulsed by the magnet. The magnet may move along an arc, and the plurality of magnet may be arranged along an arc adjacent to the magnet.

A combine harvester is disclosed with an infeed arrangement for receiving the harvested material, with a threshing device for degraining the harvested material, and with a cleaning device that is downstream from the threshing device for segregating the harvested material, and thereby a separating the grain from the non-grain components. The cleaning device includes has a sieve device that can rotate about a rotational axis with an at least sectionally sieve-shaped sieve jacket that extends in a peripheral direction around the rotational axis. Separating the grain from the non-grain components is performed by the cleaning device by superimposing a rotary movement and oscillating movement of the sieve jacket such that the oscillating movement is directed transverse to the rotational axis of the sieve device.

A control system for controlling a motion of an auger tube of a combine harvester comprises a dynamic pre-filter, a position controller, and a speed controller. The dynamic pre-filter receives a desired position value for the auger tube and generates a filtered desired position signal which changes the desired position value from an old value to a new value over a time period. The position controller receives a first difference between the filtered desired position signal and an actual position of the auger tube. The position controller generates a desired angular speed signal that varies according to the first difference. The speed controller receives a second difference between the desired angular speed signal and an actual speed of the auger tube. The speed controller generates an actuator signal that varies according to the second difference and is received by an actuating system that moves the auger tube.

A control system for controlling a motion of an auger tube of a combine harvester comprises a dynamic pre-filter, a position controller, and a speed controller. The dynamic pre-filter receives a desired position value for the auger tube and generates a filtered desired position signal which changes the desired position value from an old value to a new value over a time period. The position controller receives a first difference between the filtered desired position signal and an actual position of the auger tube. The position controller generates a desired angular speed signal that varies according to the first difference. The speed controller receives a second difference between the desired angular speed signal and an actual speed of the auger tube. The speed controller generates an actuator signal that varies according to the second difference and is received by an actuating system that moves the auger tube.

An agricultural combine includes a self-propelled agricultural harvesting vehicle and a feederhouse extending forward from the vehicle. The combine further includes a rotor and concave arrangement for threshing and separating grain received in the feederhouse. A cleaning shoe is disposed below the rotor and concave arrangement. The combine moreover includes a grain tank for receiving and accumulating grain from the cleaning shoe and an unloading conveyor for conveying grain from the grain tank. An electrostatic grain cleaner is coupled to a distal end of the conveyor for electrostatically cleaning grain from the grain tank.

An agricultural combine includes a self-propelled agricultural harvesting vehicle and a feederhouse extending forward from the vehicle. The combine further includes a rotor and concave arrangement for threshing and separating grain received in the feederhouse. A cleaning shoe is disposed below the rotor and concave arrangement. The combine moreover includes a grain tank for receiving and accumulating grain from the cleaning shoe and an unloading conveyor for conveying grain from the grain tank. An electrostatic grain cleaner is coupled to a distal end of the conveyor for electrostatically cleaning grain from the grain tank.

A fan support arm with a base section configured to be coupled to a sidewall, a mount section configured to be coupled to a motor, and an arm section extending between the base section and the mount section. Wherein, the arm section has a profile that minimizes aerodynamic drag.