Rotocraft TRIZ Cases

An internal weight tray with guide rods adjusts rotor blade balance through the tip, eliminating stress concentrations from external components.

A computing device establishes differential cyclic values to create net yaw moments in coaxial rotor aircraft.

Separable junction between helicopter airfoil blade and flexbeam control cuff uses asymmetric bolts for structural connection.

Dual transmission shafts synchronize tandem helicopter rotors to prevent blade collisions and ensure civil certification compliance.

A balancing flyweight device generates a horizontal centrifugal force to oppose the resultant of lift and drag forces, reducing vibrations and bearing wear.

Central and outboard fan assemblies balance high thrust inertia against rapid angular acceleration for responsive control.

Segmented trim tab head fits cavity to resolve maintenance difficulty from permanent bonding.

Asymmetric rotor blades generate non-planar vortices that break up harmonic reinforcement, reducing noise and vibration in aircraft propulsion systems.

A rotor blade uses spherical magnets to maintain a constant gap during pitch adjustments.

Composite angled leg mounting assembly distributes rotor loads to the airframe, reducing weight and manufacturing complexity.

Segmented plates with mounting arms create a central access opening while distributing centrifugal loads to preserve structural strength.