Abstract: A concave for a combine harvester is disclosed having a first side support member and a second side support member, and a threshing bar secured to the first and second side support members, wherein the threshing bar is at a non-perpendicular angle relative to the first and second side support members. The threshing bar may be disposed between the first and second side support members.

Abstract: An apparatus and method for processing a crop residue, which includes but is not limited to, destroying weed seeds present in the crop residue. The apparatus (10) comprises an elongate housing (12) having an inlet (20) for receiving crop residue N and an outlet (22) for discharging the crop residue. The apparatus (10) also has one or more rotors (24), (26) located in the elongate housing (12). Each rotor (24), (26) comprises a plurality of radially extending impact members (28a), (28b), (28c), (28d), (28e), (28f) which rotate with the one or more rotors (24), (26) and impact against the crop residue, so that lighter material of the crop residue is subjected to less impacts and denser material of the crop residue is subjected to relatively more impacts.

Abstract: A threshing system of an agricultural harvester. The threshing system including a rotor cage surrounding a rotor defining a threshing space there between. The rotor cage has a cut crop entrance, a transition cone defining an infeed to the rotor cage, where the transition cone is positioned to direct crop flow toward the cut crop entrance of the rotor cage. The threshing system also includes an infeed ramp positioned between the rotor cage and the transition cone, where the infeed ramp includes guide vanes for guiding the crop flow from the transition cone into the cut crop entrance of the rotor cage.

Abstract: A method for controlling crop material speed through a rotor/cage assembly of an agricultural combine. The method includes the steps of monitoring a grain loss of the combine and adjusting an orientation of a vane coupled to the cage responsive to the grain loss, a cleaning system load and/or a straw length.

Abstract: A combine harvester has an inclination module coupled to the straw walker control system. The inclination module provides information on the inclination of the combine harvester. The straw walker control system is further configured to control the controllable frequency of the oscillating movement in function of the information on the inclination of the combine harvester.

Abstract: A rotor housing assembly for a harvester has at least one cover plate forming part of a generally cylindrical shaped rotor housing, a central longitudinal axis, and an inner surface, which, when mounted, faces the central longitudinal axis and has a first radius, and one or more rotatable vanes which each are rotatably mounted on an inner surface of the cover plate facing the central longitudinal axis at a rotation point. The one or more rotatable vanes have a contact surface with the inner surface. The contact surface has a second radius that is larger than the first radius of the cover plate. The inner surface of the top cover plate, per rotatable vane, has a symmetrically curved shape such that, during a rotation of the respective vane, the contact surface of the vane with the inner surface of the cover plate substantially follows the shape of the inner surface.

Abstract: A arrangement is provided for the anticipatory assessment of plants to be gathered by a harvesting machine, disclosed as a combine harvester, and includes a non-contact sensor arrangement for the generation of signals representing at least one characteristic of plants located ahead of the machine, a measurement device for recording at least one characteristic of the plants actually gathered by the machine, and an evaluation device for producing calibration data with the aid of signals generated by the measurement device and from statistical parameters derived from the signals of the sensor arrangement and for the calculation of the characteristic of plants to be gathered with the aid of statistical parameters, which were derived from the signals of the sensor arrangement, corresponding to the plants to be gathered, and with the aid of the calibration data.

Abstract: A combine harvester has a cutting and conveyance device for crop, a threshing device for separating grain from the crop, a sieve system arranged in the longitudinal direction of the combine harvester, and a blower system comprising at least two blowers disposed upstream of the sieve system transversely to the longitudinal direction of the combine harvester and controlled independently of one another.

Abstract: A processing system for a combine harvester having a rotor housing that receives a rotor. A cover directs crop material through the rotor housing. At least one adjustable vane guides the crop material. The vane has a cover-facing proximal edge adjacent the cover and an edge projecting toward the rotor. A leading end of the vane is connected with a first pivot connection and the vane is connected to the cover along its inner edge with a second pivot connection. A line drawn through the pivot connections intersects a plane perpendicular to an axis of the cover and forms an angle with the plane of between 5 and 15 degrees. The vane pivots with respect to the cover about an axis along the line to adjust a tilt angle of the vane. Also, tilting the vane adjusts an angle of the distal edge of the vane relative the plane.

Abstract: A cleaning system for use in a combine harvester including an auger bed mounted within a frame such that when the combine harvester is laterally inclined from the horizontal, the cleaning system, including the auger bed and a sieve, may be leveled or substantially leveled to a generally horizontal position. The auger bed can include a plurality of augers located side by side with their axes positioned generally longitudinally in the combine harvester.

Abstract: A separating rotor (32) for a combine harvester (10) is provided having a rotor core (43) and a plurality of crop engaging elements (42). Each element (42) has a finger support (50) and a finger element (58) attached to the finger support. The finger support comprises a pair of feet (52, 54) connected together by a finger attachment plate (56) wherein the finger element is attached to the finger attachment plate. Each foot is secured to the rotor core along a respective base edge (52a, 54a) which resides on both sides of an extended plane defined by the associated finger element.

Abstract: A combine harvester includes a separating device that extends in a longitudinal direction of the combine harvester. In front of the separating device, a tangentially disposed feed drum is installed. The feed drum is configured with substantially axially parallel guide plates on a circumference thereof. The substantially axially parallel guide plates bear against the jacket surface of the feed drum via support elements. The support elements extend between adjacent guide plates in the circumferential direction and, extend between the adjacent guide plates in the radial direction across an entire free jacket surface of the feed drum.

Abstract: A cleaning system for use in a combine harvester including an auger bed mounted within a frame such that when the combine harvester is laterally inclined from the horizontal, the cleaning system, including the auger bed and a sieve, may be leveled or substantially leveled to a generally horizontal position. In some embodiments, the auger bed comprises a plurality of augers located side by side with their axes positioned generally longitudinally in the combine harvester.

Abstract: An axial separator for a combine harvester has a separating rotor which is rotatably supported in a housing including, as viewed in the conveyance direction, a receiving region for crop material, a separating region, and a transfer region for crop material residue, a wall that limits the transfer region in sections and a guide element disposed in the transfer region. The guide element influences the flow of crop material residue conveyed from the transfer region to a further-handling unit and, is disposed on the housing such that its position is changeable in the circumferential direction.

Abstract: A combine has a cutting mechanism (12) for cutting a crop and a feed mechanism (13) for feeding the cut crop towards a threshing and/or separating rotor (21) which rotates within a housing (20) about an axis disposed generally longitudinally relative to the combine, the cut crop moving between the rotor and the housing from an inlet end of the housing towards an outlet end of the housing across a grating (22) through which separated grain leaves the housing. The harvested crop is fed by a final feed section (18) of the feed mechanism into the inlet end (20a) of the housing across a transition edge (A-A, B-B, C-C) of the housing which is split into a number of sections.

Abstract: A threshing and separating mechanism for a combine includes an elongated rotor mounted for rotation about a rotor axis on the combine within a rotor housing. The rotor has a threshing portion and a separating portion. The housing has a threshing section and a separating section corresponding to the threshing portion and the separating portion. The housing surrounds the rotor and is spaced from the rotor to form an annular space between the rotor and the housing for crop material to flow through in an axial crop flow direction from an inlet end of the housing to an outlet end of the housing. The housing includes a smooth transition section between the threshing section and the separating section of the housing.

Abstract: An axial separator for a combine harvester has a separating rotor which is rotatably supported in a housing including, as viewed in the conveyance direction, a receiving region for crop material, a separating region, and a transfer region for crop material residue, a wall that limits the transfer region in sections in the circumferential direction of the separating rotor, and at least one guide element disposed in the transfer region, which influences the flow of crop material residue emerging in the transfer region and being conveyed to a further-handling unit located underneath the transfer region, wherein the at least one guide element is disposed on the housing such that the position thereof can be changed in the circumferential direction of the housing.

Abstract: A threshing and separating mechanism for a combine includes an elongated rotor mounted for rotation about a rotor axis on the combine within a rotor housing. The rotor has a threshing portion and a separating portion. The rotor has a rotor tube that is tapered continuously in the threshing portion and has threshing elements extending from the rotor tube. The housing has a threshing section and a separating section corresponding to the threshing portion and the separating portion. The housing surrounds the rotor and is spaced from the rotor tube to form an annular space between the rotor tube and the housing for crop material to flow through in an axial crop flow direction from an inlet end of the housing to an outlet end of the housing. The housing includes a smooth transition section between the threshing section and the separating section of the housing.

Abstract: A adjustable vane system for an axial-flow, rotary combine housing that incorporates at least one flat wall section as part of the otherwise cylindrical or oblong, curved housing cover, and adjustable vanes having flat bases that are angularly adjusted on the surface of the flat wall section. The housing includes fixed vanes on a curved portion of the housing cover that have a lead ends, in a direction of circumferential crop movement, substantially in registry with trailing ends of the adjustable vanes. The adjustable vanes include pivot connections near the trailing ends and swing connections near the lead ends of the adjustable vanes. All of the adjustable vanes are gang together and moved together. A mechanism is provided to swing the adjustable vanes from a position corresponding to the normal helical path of the fixed vanes to a bypass position wherein crop flow through the adjustable vanes will skip one or more passes between the fixed vanes on the next pass through the fixed vanes.

Abstract: A cart is towed behind a combine harvester for collecting corn cobs and includes a conveyer belt feeding into a system for separating cobs from residue to be discharged and a tank for receiving and transporting the cobs. An unload auger is provided from the tank to one side of the cart while the cart moves forward. Power for driving the cart is obtained from a chopper drive of the combine harvester. The separating arrangement includes a series of sequential blower fans for blowing air through the discharged material as it is discharged from a conveyor and into a spreading guide disperses the residue. The cobs are conveyed using a series of augers where the auger to flight distance is at least 2 inches and particularly a pair of augers feed the cobs through a front wall of the tank so as to push cobs upwardly into the tank.

Abstract: An adjustable deflector apparatus having a deflector plate for transitioning crop residue from the rotor of an axially arranged threshing system of a combine to a crop residue distribution system is disposed with the deflector plate pivotally mounted at approximately the height of the axis of the rotor at its downstream end to be movable into and out of the flow of the crop residue such that at least a portion of such flow will strike or impinge the deflector plate and be deflected thereby downwardly and transversely toward the crop residue distribution system. An adjusting mechanism is operable for moving the deflector plate in relation to an internal side of the combine for adjusting a desired parameter or parameters of the deflected flow and for moving the deflector plate to a retracted position when reverse operation of the rotor is desired.

Abstract: A grate for an agricultural combine includes curved grate segments, each of which include mounting holes in at least one end segment. To provide a threshing grate, the end segments of the grate segments are offset to provide a “step”, or discontinuity in the radius of the assembled grate, which improves the threshing efficiency of the combine. The step can be provided by offsetting mounting holes between adjacent grate segments, and securing the grates to a frame member.

Abstract: An axial separator of an agricultural combine comprises a rotor housed in a housing. The housing includes a lower separating grate and a top cover plate with spiral-shaped guide vanes, which are aligned to feed harvested crop on a helical path. A section of one of the guide vanes forms an acute angle with the housing as it extends outwardly therefrom.

Abstract: An air cleanout system is provided for a grain unloader tube for a harvesting apparatus. The unloader tube has an auger therein and a plurality of air nozzles located at least partially within the unloader tube. The air nozzles have air outlets directed substantially longitudinally within the tube to deliver air into the tube to effect cleaning of grain and residue from the unloader tube. A pressurized air manifold is flow-connected to the plurality of air nozzles. The air nozzles comprise nozzle housings that penetrate a wall of the unloader tube, the housings having a tapered profile in an upstream direction within the tube to minimize resistance to grain flow through the tube during normal unloading operation. The nozzles are arranged longitudinally spaced apart along the tube. The nozzles of the plurality can be sequentially operated in a direction along the tube from an upstream end toward a tube outlet.

Abstract: A self-propelled harvester having a drivable separating rotor rotatably mounted in a rotor housing with a bearing in an end wall covering an inlet opening of the rotor housing at a front end of the separating rotor, further comprising a lower edge transverse and operatively connected to the bearing of the end wall.

Abstract: A self-propelled combine harvester having a threshing device, main threshing drum and feed drum for transferring crop to an axial dividing device. The axial dividing device has two housings that are asymmetrical and expand vertically and horizontally at their inlet ends to ensure uniform and trouble-free transfer of the harvested crop to the dividing device.

Abstract: A combine harvester comprises a threshing and separating arrangement mounted to a main frame, which includes a generally cylindrical chamber having a generally longitudinal axis, and a separating concave assembly. The arrangement further includes a rotor assembly mounted for rotation in the chamber and comprising a generally cylindrical rotor body with a separating section associated with the separating concave assembly. This separating section comprises a plurality of longitudinal elements having a leading, generally longitudinally arranged crop engaging face and a plurality of transverse elements having a generally transversely arranged crop engaging edge. The transverse elements assist in preventing the roping of crop material between the rotor and the separating concave assembly.

Abstract: Duct work directing air from a combine cooling fan to the top of a separator unit, the duct work extending in an arc between its inlet and a flared outlet, and includes a neck portion that hinders air within the duct work from swirling upward in that location.

Abstract: Ductwork directing air from a combine cooling fan to the top of a separator unit, the duct work extending in an arc between its inlet and a flared outlet, and includes a neck portion that hinders air within the duct work from swirling upward in that location.

Abstract: The discharge section of an axially arranged rotary combine is provided with a metering edge overhanging a discharge chute. The metering edge is asymmetrical having a downswept edge and an upswept edge. The downswept edge is more open that the upswept edge. The downswept edge opens continually until the bottom dead center of the metering edge. The upswept edge closes continually form the bottom dead center of the metering edge.

Abstract: The discharge section of an axially arranged rotary combine is provided with a discharge chute having a ramp on the downward swept side. The ramp is provided with upper and lower metering edges for metering the flow of crop material other than grain from the helical flow to a transverse discharge beater. The floor of the discharge chute is provided with three guide vanes that define specific flow paths of the crop material being expelled by the axial crop processing unit and directing this crop material uniformly across the transverse discharge beater. The upward swept side of the discharge chute is provided with a filler plate for engaging crop material that was not engaged by the vanes to direct this crop material to the upward swept side of the discharge beater.

Abstract: A self-propelled combine harvester has an axial-flow separating device including a chopping device with supporting rings which carry impact teeth. The main body of each separating rotor is equipped with several positioning profiles, which are rigidly connected to the main body and extend spirally around it. The supporting rings are provided with corresponding grooves. As a result, a form-locking connection is made between the supporting rings and the main body. The positioning profiles are toothed at the longitudinal edge leading in the direction of rotation of the separating rotor, so that the regions of the supporting rings adjoining the recesses engage in the tooth gaps are prevented from sliding axially. A locking ring is releasably mounted on the rear end of the main body. The number of parts is minimized and the construction of the supporting rings carrying the impact teeth and the main body of the separating rotor minimize the assembly time.

Abstract: A rotor used for a combine-harvester includes a cylindrical member having a front end and rear end with a plurality of rub bar members spacedly disposed thereupon and extending outwardly therefrom and with a plurality of outwardly projecting spiral members which are disposed about the rear portion of the cylindrical member and which effectively shed the vines and stalks of the crop plants from about the rotor and with a plurality of short threshing members which are mounted to and project outwardly from the cylindrical member at the rear end thereof for removing any grain left on the vines and stalks before they are removed off the rear end of the rotor.

Abstract: A combine includes a housing enclosing a rotary separator. The rotary separator's discharge area is built such that the quality of the chopped crops is improved and a continuous discharge of crops is guaranteed. Guiding devices in the area of the axial-flow chopping device and on the inside of the housing's cover are designed such that the half of the guiding devices which are located in front of the chopping knives are essentially perpendicular to the pivotal axis of the rotary separator. In the area of the chopping knives, the housing is designed as a swiveling shutter so that the annular gap, located between the rotary separator and the housing, can be narrowed by the swiveling shutter.

Abstract: The present invention describes an intake zone (4a) for an axial separator (4) consisting of a rotor (6) that is configured as a cone in its front area, is tapered in the direction of the flow of materials and has a sleeve (12, 13, 16) or an intake zone for a similar axial flow threshing and separating device having at least one similar separating rotor (6) arranged downstream from a single or multi-cylinder threshing machine with a feed cylinder (3) connected thereto. The upper sleeve (12) of the intake zone (4a) has a semi-circular cross-section at the beginning of the rotor intake continuously running as far as the end of the intake zone (20) into an eccentric cross-section corresponding to the cross-section of the remaining upper sleeve.

Abstract: The crop engaging element of the present invention is a hollow structure having a smooth curved convex top portion which terminates in a concave trough before extending into a radially extending lip. The hollow structure is provided with sidewalls and a rear wall. The sidewalls extend upwardly to enclose the sides of the trough. The element is provided with leading and trailing mounting flanges for mounting the element to the exterior surface of a combine rotor.

Abstract: In a combine harvester comprising a separating device which operates by the axial flow method, a chopping device which operates by the axial flow method designed in such a way that the components of the separating rotor's chopping device can be replaced in a very simple manner and are kept to a minimum. In the combine harvester according to the invention, the impact teeth, arranged in a spirally or helically extending row, form a one-piece impact tooth functional part which can be replaced as one single piece. One-piece filler bodies located between the individual rows of impact teeth are provided with cutting channels which are entered by the chopper blades on rotation of the rotor. The impact teeth are also provided with cutting grooves to reduce the length of the chopped material. The combine harvester is particularly designed for harvesting cereal.

Abstract: A combine rotor assembly and method of using the same are provided. The rotor assembly is characterized by a cylindrical drum having an outer peripheral surface. A plurality of helical or spiral shaped threshing groups are attached to the outer peripheral surface and extend substantially the length of the drum. Each of the curved threshing members making up a helical group are placed end to end resulting in a continuous and uninterrupted spiral or helical pattern. A plurality of straight threshing members are attached to the outer peripheral of the drum. The straight threshing members are interspersed between the helical or spiral groups in a plurality of longitudinally extending rows. The rows may be arranged in alternating fashion resulting in a staggered appearance.

Abstract: A grain combine with an improved threshing cage surface achieves greater separation efficiency without increasing the length of the threshing section. The invention utilizes rings mounted to the interior surface of a perforated screen. The rings are transversely secured to a helical vane which is used to guide the crop material rearwardly through the threshing section. The rings interrupt the grain sliding rearward by forcing the grain to bounce over the rings. Since the grain does not penetrate the straw when it bounces over the rings, this invention creates greater separation by decreasing the velocity of the grain so that it may pass more easily through the perforations in the screen. The rings also agitate the grain that is mixed with the straw to allow the grain to penetrate outward toward the perforations in the screen.

Abstract: A grain threshing mechanism has a concave assembly and rotor assembly positioned within the concave assembly. The concave assembly has a concave receiving end portion, a concave middle portion, and a concave discharge end portion. A supporting system supports and maintains the concave assembly substantially coaxially aligned with the rotor assembly. The concave receiving end portion is in contact with the supporting means and the concave middle portion and the concave discharge end portions of the concave assembly are cantilevered and free from supporting means and discharge end obstruction.

Abstract: An axial agricultural combine having a single element rotor defining a rotor axis. The rotor is housed in a rotor housing having an infeed section, a threshing section and a separating section. The infeed section of the rotor housing defines a infeed axis, the threshing section of the rotor housing defines a threshing axis and the separating section of the rotor housing defines a separating axis. The infeed axis is parallel to and in line with the rotor axis. The threshing axis is parallel to and offset from the rotor axis. The threshing axis is offset above and downstream from the rotor axis. The separating axis is parallel to and offset from the rotor axis. The separating axis is offset above and downstream from the rotor axis. The separating axis is more offset from the rotor axis than the threshing axis is offset from the rotor axis.

Abstract: An axial flow agricultural combine has a single element rotor defining a rotor axis. The rotor is housed in a rotor housing having a threshing section and a separating section. The threshing section of the rotor housing defines a threshing axis and the separating section of the rotor housing defines a separating axis. The threshing section of the rotor housing is substantially concentric with the rotor axis passing through that section. The separating section of the rotor housing is arranged eccentric to the rotor axis. The separating axis is located above the rotor axis.

Abstract: An agricultural combine having a transverse threshing cylinder and concave and an axial separator. The axial separator is provided with two side-by-side axial separator units, each unit having a rotor and a casing for housing the rotor. The casings are non-concentric housing having a semi-circular top, a semi-circular bottom and straight side walls joining the top and bottom. The rotor is provided with fixed teeth that extend radially outward from the rotor. The rotor is located at the bottom of the casing so the teeth can engage and penetrate the crop material at the bottom of the casing. The rotor throws the crop material upwardly against the top of the casing which is provided with downwardly projecting spiral vanes for directing the crop rearwardly. The rotor is rotated so that the tip speed of the teeth is greater than or equal to 11.8 m/sec and less than or equal to 20.9 m/sec.

Abstract: An agricultural combine having a pair of side-by-side axial separators. Each of the axial separators comprises a cylindrical tube, a rotor housed in the tube, an inlet and an outlet. An axial air stream is directed along the top of the axial separator to remove dust, chaff and other debris that may accumulate there. The air stream is intercepted from the cooling fan of an internal combustion engine by duct work that directs the air stream to a deflector located above the axial separators. The deflector forms a forward axial air stream component and a rearward axial air stream component. Exhaust openings are formed in the sidewalls of the combine to vent the forward air stream component. An exhaust gap is formed at the rear of the axial separator to vent the rearward air stream component.

Abstract: An agricultural combine having a transverse threshing cylinder and a pair of axial separator units wherein the angle flighting on the rasp bars of the threshing cylinder are arranged to assist in directing the harvested crop material to the inlets of the axial separator units during a threshing operation. The left hand and right hand angled flighting sections assist in forming two crop streams that are aligned with the inlets for the axial separator units.

Abstract: The secondary grain separator comprises an outer drum (12) constituted by at least two successive perforated lengths (18, 20, 22) having different mesh sizes, a feed chute (24) at the upstream end of the drum for pouring substances into the drum for separation along a vertical tangent, a curved wall (14) situated inside the drum and running from the chute at least as far as the bottom of the drum and defining an annular gap (16) for receiving the substances to be separated, deflector fins (30) inside the drum and inclined relative to the drum axis, and a collecting volute (34) surrounding the drum and including radially extending partitions (40, 42) defining collecting channels (44, 46, 48) facing the various lengths of the drum.

Abstract: A self-propelling harvester thresher comprises a threshing unit, a separating unit located downstream of the threshing unit, the separating unit extending along a traveling direction of the harvester thresher and operating in accordance with the principle of axial flow, and a transporting unit associated with the separating unit and transporting a grain-chaff mixture, the transporting unit being located laterally near the supporting unit.

Abstract: The invention is directed to an assembly for readily removing an axial separator from an agricultural combine. The axial separator is positioned within the combine side sheets by rails that are secured to the sides of the side sheets. A sprocket type wheel mounted on the combine engages the rails. The separator is also provided with guide wheels and guide pins facilitating the axial movement within the combine. A locking assembly located at the rear of the separator can be bolted to the guide rails. A transverse lifting pin is located to the rear of the combine to facilitate removal of the separator module from the combine. Movement of the axial separator within the combine is controlled by a worm gear assembly that can be manually actuated by a crank arm.

Abstract: An axial flow harvesting machine having at least one generally cylindrical rotor rotatably mounted within a casing and operable, in conjunction with the casing, to thresh and separate grain from straw material, and a plurality of mounting members permanently provided at predetermined positions over the periphery of the rotor is disclosed wherein the height of each mounting member is less than the height of crop operating members mountable thereon for operation on the straw material in use of the machine to thresh and separate grain therefrom.

Abstract: A rotary grain screener is disclosed in which the primary grain-advancing flighting is mounted on the internal surface of the rotary screener drum and an inner auger is mounted on a central axial drive shaft to advance the grain forward in the drum at a greater rate than is accomplished by the flighting on the internal surface of the drum. The screener drum is supported on the central drive shaft which has a support bearing on the input auger housing and the drum is further provided at the input end with two annular bearing plates which are attached to the end plate of the drum and have a close fit around the input auger housing for closure and support purposes. A single motive power source drives the drive assembly which operates both the input auger and the screener drum.