Threshers TRIZ Cases

Removable flexible bottom cover slides into guide tracks along auger trough side walls, resolving residue accumulation issues that plague fixed-bottom designs.

Segmented air deflectors reduce low pressure areas and turbulence in combine harvester fan assemblies, preventing particulate debris accumulation.

Hollow tubes replace solid wires in combine harvester sieves to reduce wear and assembly complexity while maintaining precise louver adjustment.

Segmented cast link with slotted input drives sieve oscillation while reducing cyclical loads on the actuation mechanism.

A rotary cleaning shoe uses cylindrical sieves and stationary beater bars to separate grain from crop material.

A pivoting crop processing device adjusts between projections and a smooth guide surface to manage threshing concave operations.

Inclined guide element edges deflect residual crop flow within axial separators, resolving uneven chopper loading and enhancing harvest efficiency.

A content provision system extracts and transmits second content connected with first content displayed on a user device.

Segmented fluid channels control airflow across independent louvers to separate grain from debris without moving the sieve assembly.

Segmented finger support distributes impact loads across the rotor core, preventing weld failure and eliminating costly complete rotor replacements.

An elevator and secondary device move grain along distinct paths to handle increased volume from multiple cleaning shoes without jamming.

Independent auger and threshing rotation enables batch processing in small plots, resolving throughput versus adaptability trade-offs.

Integrated protuberances and raked slots redirect wet straw rearwardly, preventing shaft wrapping that causes heat buildup and power loss.

Segmented concave segments pivot about a common axis to resolve uneven gap profiles and improve crop flow quality.

Actuators adjust the infeed ramp angle to prevent crop recirculation and clogs, ensuring smooth flow into the rotor cage.

A grain pan directs a second cleaning airstream above the mixture to enhance stratification of grain and lighter materials.

Non-destructive tongue and slot connections allow independent removal of worn threshing bars, reducing harvest downtime.

Differentiating straw walker covering and shaker comb pitch angles prevents dense crop mat formation that clogs passage openings and impedes grain separation.

Adjustable vane pitch angles progressively increase rearward, managing crop speed to reduce power consumption and grain loss during threshing.

A rigid rotor discharge deflector uses upper ramp portions to redirect crop residue flow across the beater width.

A non-rectangular crop material conveyance pan with an angled discharge edge optimizes grain distribution on the stratification layer.

Air deflector positions airflow above the floor to prevent suspension of grain and material other than grain, enabling efficient separation.

Automated grain separation equipment replaces manual inspection with 360-degree imaging and robotic weighing to eliminate human error in classification.

Nested cylindrical jackets create annular chambers for multi-stage grain separation, reducing crop losses while minimizing installation space.

Bending a single sheet into transverse and directional vanes eliminates weld joints, reducing manufacturing costs while strengthening the rotor core.

Polyurethane coatings on beater blades absorb impact energy to reduce grain damage while maintaining high processing speeds.

Flat-based adjustable vanes pivot within a curved housing cover to maintain continuous sealing contact, preventing gaps that cause straw damage and grain loss.

A sealing assembly with a biasing mechanism closes frame openings around moving sieve shafts, preventing grain loss and debris accumulation.

Optimized threshing element geometry prevents straw plug formation in humid rice harvesting while maintaining high grain detachment efficiency.

Segmented concave bars with varying dihedral angles optimize threshing while minimizing grain damage during harvesting.

Oscillating elastic elements on straw walker stages dissolve short straw mats between shaker combs, preventing sieve clogging and maintaining grain passage.

Inclined guide elements between beater bars distribute crop flow evenly to axial separators, overcoming feed drum division limits at high throughput.

Offset leading ends extend residence time at low flow rates and shorten it at high flow rates to prevent grain loss.

A rotor housing uses a frusto-conical transition section to guide crop material flow between threshing and separating zones.

Extruded tubular members and blind fasteners prevent weld failure from metal fatigue while reducing weight in agricultural harvester cleaning shoes.

A rotary drive with an eccentric device and transmission system cyclically varies the distance between the driving point and the sieve coupling.

Eccentric shaft adjusts crop transport vane depth and angle to resolve static curvature mismatch and reduce grain loss.

Segmented grain pan members with snap connections eliminate gaps that cause grain leaks during harvesting operations.

A transition tube connects an auger conveyor to a paddle elevator using a smoothly curving cross-section.

A movable cover adjusts the separator grate opening to reduce grain loss and manage material other than grain during harvesting.

Angled air ports direct pressurized air upwardly through sieve elements, breaking up grain and MOG clusters that overload the cleaning system.

Segmented cover plates and an internal transition plate allow separable maintenance access without overhead clearance, resolving restricted space constraints.

A dual-sided concave adjustment system moves inner and outer support structures to control rotor clearance.

Asymmetric U-shaped support profiles secure rasp bars with pre-tension to resolve crop adaptability contradictions while reducing grain damage.

Fluted recesses in the rotor transition surface delay crop compression to lower power requirements and enhance threshing efficiency.

A multi-stage preparation floor uses suction blowers to generate upward airflow through vertical drop steps for enhanced crop separation.

A horizontal-axis impeller actively conveys tailings from the cleaning device outlet to the re-threshing machine.

Laser cutting flat sheets into helical gratings eliminates welding distortion while segmented rub bars allow configurable separation efficiency.

Adjustable discharge vanes on a combine rotor alter height to optimize straw exit velocity, preventing stagnation at the discharge point.