Propellers TRIZ Cases

Segmented fan elements join via interference fits to reduce fabrication time while avoiding stress fractures at weld fillets.

Nested motor modules reduce UAV weight and size while maintaining independent propeller control.

Deformable sacrificial blade tips absorb collision energy to protect ducted aircraft structures and maintain optimal rotor performance.

Alternating composite fabric layers enable automated ply placement for rotor yokes, reducing manufacturing costs and labor intensity.

Coaxial counter-rotating propellers cancel torque while a thrust vectoring system manages yaw, resolving hover instability in VTOL aircraft.

A controllable aperture system manages airflow within ducted fan inlets to enhance operational efficiency across varying flight regimes.

An insulating layer shields wind turbine blades from scorching and humidity penetration caused by lightning strikes.

A coated turbine disk applies chromizing and noble metal diffusion to create an aluminum-free coating that withstands high temperature corrosion.

Helical threads convert rotational shock into axial spring compression, absorbing sudden speed shifts in marine propulsion systems.

Damper pin slots receive pins that move to damp vibrations, while seal pins overlap the damper pin to prevent cooling fluid leakage between adjacent blades.

Segmenting spar caps into smaller preforms eliminates fiber wrinkling and simplifies transportation of large wind turbine blades.

Algorithm computes resulting flap angle to manage primary and secondary control inputs via single control flaps.

Segmented safety guards with guide members and diffusers stabilize flow fields and generate secondary flows to increase thrust by 17%.

Embedded propeller blade cameras capture rotating images to determine stereo distance information, eliminating external sensor weight and drag.

Integrated radial ribs reinforce blades while directing airflow to mechanical sections, resolving wind speed reduction caused by separate fan hoods.

A single actuator synchronizes variable geometry equipment across different engine bodies.

A helical wind harnessing system positions energy converters within spiraling grooves to amplify airflow velocity through curved geometry.

A wind turbine control system detects rotor blade icing by monitoring deviations in power output and rotational speed.

Multi-blade rotor system uses distinct blade pairs to generate vertical and forward thrust.

Alternating tapered metal shims with elastomeric members reduces compression-induced shear strain, extending bearing life and minimizing axial deflection.

Heated pressurized air flows through radial and rearward passages to create an air film that prevents ice formation on fan blades.

Linear actuators drive propeller blades beyond ninety degrees to enable thrust reversal without increasing mechanism complexity.

Wind-driven pumps circulate cold deep water to cool surface air streams, disrupting the thermal feedback loop that sustains hurricane intensity.

An integrated damping element with higher flapwise freedom dissipates edgewise vibration energy, reducing fatigue damage without complex tuning mechanisms.

Segmented dividers direct cooling air through horizontal and vertical chambers within an airfoil cavity.

Single-piece elastic locking member retains turbine blades without screws, eliminating jamming from centrifugal forces.

Segmenting laminates into constant-thickness sub-laminates resolves the trade-off between structural strength and laminate thickness.

A three-dimensional fibrous texture reinforces a composite fan blade using distinct fiber types to manage mechanical loads.

Identical blade pairs arrange on a carrier disk to form varied hydraulic profiles using standardized components.

Meltable damping material absorbs impact energy to prevent delamination while enabling repair through controlled phase change.

Segmented spar regions reduce thickness for aerodynamic efficiency while carbon fibre yarns maintain structural integrity against foreign object impacts.

An arcuate deflector within the blade passage directs centrifuged particles toward a dust hole, preventing blockage in shroud cooling areas.

A mechanical-hydraulic control system adjusts propeller pitch using a shuttle valve and feedback tube to manage thrust independently of engine RPM.

Composite airfoils and nested cooling tubes reduce heat-induced degradation while maintaining structural integrity.

Secondary propulsion units provide augmented lift and drag, allowing air vehicles to land at speeds below nominal stall speed on short platforms.

A foldable propeller blade with a locking mechanism secures the rotor in its deployed configuration for unmanned aerial vehicle flight operations.

Pivoting guide vanes dynamically adjust based on impeller speed to eliminate recirculation and enhance thermal performance in compact computer systems.

An elastic tab with ramped and angled ends engages inlet case detents to secure the nosecone, eliminating single-use replacement costs during maintenance.

Upstream LIDAR detection resolves time delays in wind measurement, allowing blade pitch and yaw adjustments before gusts impact the rotor.

Segmented wing assemblies with blowing rotors reduce landing dispersion by enabling differential control authority during approach.

Relocating centrifugal force bearings to an inboard yoke pocket with a rotatable latch assembly resolves heat dissipation and visual inspection bottlenecks.

Elongated spinner cutouts align with freestream airflow to reduce drag on tiltrotor aircraft.

Segmented fastening allows rearward extraction of the high-pressure spool module without removing the fan module.

Triangular pad in turbine blade pocket corner reduces peak stresses by 35% and prevents crack propagation.

Rotating cutting tool machines preform slot endwall to form turbine rotor disk slot base, reducing tool wear and material removal costs.

A vertical axis wind turbine mounted on utility poles harvests kinetic energy via electromagnetic induction.

A rotor support device uses a detachable joint portion to connect a reinforcing member, enabling modular assembly of the structural components.

A compressor rotor blade uses increased normalized camber in the outer span region to strengthen endwall flow and reduce tip blockage.

Tail airfoils recover swirl energy lost in propeller downwash, boosting propulsive efficiency without adding stator complexity.