Threshers TRIZ Cases

Multiple cross augers feed a common elevator via a circuitous element, reducing device complexity while maintaining high grain handling capacity.

Sliding flanking sides adjust the discharge tunnel width for different grain bags, resolving transport and storage constraints.

Adjustable mesh sieves and closed-circuit air recirculation minimize toxic dust release while maintaining high separation efficiency.

Segmented trough bottoms extract via flexible seals to prevent particle leakage while eliminating the need to disassemble fixed auger arrangements.

Varying dihedral angles and surface area ratios across the concave bar minimizes grain damage while maximizing threshing effectiveness.

Removable bars with integrated grates reduce harvest downtime by eliminating welded assembly repairs.

Transverse rollers with relative speed perform preliminary threshing to reduce broken grain and prevent cleaning system overload.

Circular rotation of the shaker element loosens the straw mat without disturbing crop flow, resolving drive complexity trade-offs.

Wedge-shaped openings in a helical threshing rotor allow grain to fall through early, reducing damage from prolonged contact with rasp bars.

An integrated cab viewing window enables direct optical monitoring of the returns flow, eliminating driver exposure to dust and noise during inspection.

Oscillating stratification and return pans convey grain and chaff streams to enhance material layering.

Curved front edges on crop separators distribute flow forces to reduce surface pressure, extending service life against abrasive wear.

Aligning the adjusting device parallel to the machine axis prevents material flow blockages and sensor obstruction.

A removable insert couples to a rotor cage to route tailings past additional threshing elements before concave entry.

Dynamic stroke adjustment maintains consistent load thickness on sloped terrain, preserving harvesting capacity without stopping the combine.

A helical auger conveying system moves clean grain and tailings through a single collecting trough structure.

A mobile grain bagger decouples transport from filling to reduce cycle time, enabling parallel processing of grain cart cycles.

Independent actuators adjust inner and outer support structures to optimize threshing effectiveness while preventing grain damage during harvest.

Variable frequency electric motors replace mechanical engine coupling to independently control oscillation parameters.

Alternating angled finger rows in a separating cylinder reduce straw damage and broken grain while maintaining effective grain separation.

Actuator-driven suspension adjusts concave position and shape to maintain optimal processing efficiency across varying crop conditions.

An arc-shaped top plate reduces flow resistance while a swingable dust-sending valve adjusts to crop quality, preventing clogging during high-speed reaping.

Bonus sieves assemblies in articulated combines accept tailings for reprocessing, preventing rotor overload and improving grain recovery.

Composite threshing bars use tungsten carbide heads on cast iron bodies to resist wear and extend service life.

A floating bearing in the ejection area allows longitudinal movement of the separation unit to compensate for manufacturing tolerances.

Adjustable vanes on an angled flat wall rotor cage optimize crop material transport efficiency while reducing power consumption.

Segmented rotor design eliminates internal skeletons and fasteners to prevent water infiltration and vibration.

Flexible universal joint permits lateral movement during oscillation, resolving complexity trade-offs in agricultural harvester cleaner mechanisms.

Decoupling vibratory grain sheets from reciprocating sieves reduces energy consumption and minimizes grain spillage during harvesting.

An electromagnetic drive replaces mechanical linkages in combine harvesters, enabling independent sieve control and reducing vibration.

Segmented cover plates create an air cushion that prolongs crop contact with the rotor, resolving the trade-off between adaptability and ease of operation.

An adjustable deflector redirects crop residue flow from an axial threshing system to a distribution unit.

Segmented air channels create free paths that prevent grain blockage and sustain rearward airflow velocity during high crop throughput operations.

Expanding vane geometry reduces compression and energy consumption by allowing crop material to expand during discharge.

A pivoting deflector redirects tailings flow between re-threshing and bypass passages in combine harvesters.

Angled lamellae with upper protuberations generate a Venturi-like effect that resolves airflow disruption and improves grain separation efficiency.

Segmenting the sieve box allows a local constriction that expands tire clearance, reducing turning radius without compromising grain separation efficiency.

Ramp-shaped deflection elements redirect crop flow to reduce compaction, lowering power consumption and straw destruction in axial flow separators.

A single actuator rotates louver sets across inclined planes via a linkage, reducing device complexity and manufacturing cost.

Segmenting partial crop flow past the preparation floor increases cleaning capacity while maintaining separation quality in the harvesting mechanism.

Transverse ridges and troughs on the grain pan floor create vertical stratification that increases cleaning shoe capacity without expanding machine width.

An elastic torsion axle absorbs threshing impulse loads to protect the drive system from fatigue damage while maintaining precise concave gap adjustments.

Actuating the stone trap flap moves a scraping element against the side wall to remove hardened deposits that remain after gravity emptying.

Curved transition geometry reduces congestion and power consumption in agricultural harvesters.

Segmented cob separation grates with angled slots guide whole corn cobs through axial flow combines, preventing breakage and mold during harvest.

A curved three-dimensional mating interface between a rotor cage and transition cone maximizes the threshing space volume.

Aluminum alloy side members paired with ferrous hanger mounts resist cyclical stress failures and fastener loosening in agricultural harvester cleaning shoes.

Bonus sieves expand cleaning area to improve grain recovery while avoiding rotor overload.

Strategic paddle placement between V-shaped vanes deflects debris while guiding crop flow to threshing rotors.

Reciprocating knife sections overlap a stationary blade to maintain continuous shearing action across the cutter bar width.