Wheel Based Transmission TRIZ Cases

A control unit coordinates electric motor torque with rider input to enable smooth gear changes.

A polarization-maintaining fiber section introduces time delay between orthogonally polarized signals to compensate for optical path length differences.

Segmenting the motor and reduction mechanism on opposite sides of a hollow axle achieves weight balance without protrusion.

A double-acting air cylinder system manages compressed gas pressure between a motorcycle frame and wheel to adjust ride height.

A concentric bicycle transmission uses a variable speed motor and planetary gear mechanism to adjust rotational power.

Tilting balls in a spherical variator adjust the speed ratio, resolving the contradiction between transmission precision and device complexity.

Adaptive gear control resolves riding comfort issues by adjusting shift thresholds according to dynamic speed progression.

A vehicle wheeled device uses a steering mechanism to pivot support wheels for lateral stability.

Central brake pedal connects to side pedals via hinges and helical springs that prevent simultaneous activation for steer-by-braking functions.

A bicycle drive unit housing positions an assist motor adjacent to the crankshaft to minimize overall length.

A bicycle hybrid drive system uses an intermediate drive part and clutch to enable independent motor or crank operation.

A threaded adapter and holding member prevent axial and rotational movement to ensure stable wheel mounting without requiring stronger forks.

A cam lever and slot assembly enable tool-free wheel removal from closed bore dropouts.

Treeliss frame design reduces mass while increasing torsional rigidity to prevent elastic deformation during cornering.

A triangular driving unit arrangement positions overlapping motor and gear components to minimize axial footprint in electric assist bicycles.

Nesting a coaxial speed reducer inside the wheel hub resolves the conflict between high driving moment and limited mounting space.

A multi-speed gear hub integrates a vertical shear force load carrying through-bolt with epicyclical mechanisms for compact lightweight design.

A continuously variable planetary gear integrates electric and pedal drives within the crank area to enable stepless torque summation.

A bicycle drive unit integrates a planetary gear mechanism with a switching mechanism to manage transmission paths.

A foot-operated speed change controller uses an electro-hydraulic actuator and detection unit to translate driver input into precise gear shifts.

A motorcycle transmission uses a desmodromic drum to actuate coupling forks for precise gear selection.

An electro-mechanical bicycle transmission uses an input electrical machine to regulate torque within predetermined limits.

A bicycle hub integrates a continuous torque tube to transfer rotational forces between fork legs.

A hub assembly rotation control structure transmits differential rotational speeds between rotatable members.

A modular drive device integrates gearbox and brake components into a central housing for bicycles.

A bicycle component controlling apparatus uses multiple sensor signals to generate control commands for automatic transmission and suspension systems.

Segmented remote inertia valve distinguishes rider power from terrain forces, preserving efficiency while absorbing shocks.