Wheel Based Transmission TRIZ Cases

Elastic members tilt planetary rollers based on load to automatically adjust the speed change ratio without user intervention.

Switching valve connects or isolates air chambers to adjust spring rate and stroke, solving the trade-off between fixed simplicity and variable adaptability.

Elastomeric insert in seat tube absorbs vibrations, resolving the trade-off between weight reduction and damping performance.

A control system monitors gear ratios in electric bicycle power transmission mechanisms to detect operational anomalies.

A foldable vehicle frame uses a pulling arm and elastic locking pins to secure the structure.

Concentric positioning section corrects magnetic inclination of the output shaft, enabling accurate sun gear meshing and simplified assembly.

A hybrid drive uses a superposition transmission with two electric motors to enable efficient energy recovery during braking.

Magnetic force sensor detects load distribution at frame joints to prevent rear wheel lift during braking.

Planetary gear mechanism transmits rotation between driver and hub shell to enable electric motor regeneration.

Stepped male and female portions form a telescopic joint that distributes load across multiple surfaces, reducing finish blemishes and assembly complexity.

A bicycle drive unit uses a multi-stage planetary gear mechanism to transmit rotation from the motor and crank.

A bicycle shaft transmission assembly uses a closed housing structure to protect internal gears and shafts from environmental exposure.

Coaxial mounting of the planetary gearset carrier reduces volume while increasing device complexity, resolved by integrating the housing into frame members.

A square wheel tricycle rides smoothly on a catenary track that compensates for the bumpy arcuate motion of the wheels.

Segmented arc cranks and rear drive wheels prevent front wheel slipping while eliminating neutral shift positions during operation.

Integrating volume compensation into the piston assembly eliminates external cups, reducing non-suspended mass and response delay.

Positioning the motor driving shaft in front of and under the output shaft reduces overall vehicle size while maintaining efficient power transmission.

Integrating clutch actuators within the engine case removes external hydraulic pathways, simplifying assembly while maintaining sealing reliability.

Arcuate down tube and flexing top tube deliver vertical cushioning without adding mechanical complexity or weight to the frame structure.

Stem front cap integrates receiving sections for aero supports, eliminating handlebar clamping stress and weight penalties.

A hollow bicycle rear axle uses form-locked spline connections to transfer drivetrain torque between the shaft and frame dropouts.

Centrifugal force from a spiral slot on the motor shaft forces lubricant into the transmission chamber, preventing oil leakage into the motor interior.

A straddled electric vehicle uses a perpendicular output shaft with bevel gears to redirect rotation for compact powertrain integration.

An elastic member biases second gear against rear wheel shaft via inclined spline grooves, preventing motor overcurrent during uneven terrain traversal.

Gear-shift controller predicts zero-degree lean crossings and holds transmission gears, preventing posture instability while optimizing acceleration response.

A bicycle control system adjusts gear shift thresholds based on rider operating patterns to personalize component interaction.

Segmented ratchet mechanisms isolate rider weight stress from the drive source, ensuring stable locking during seat height changes.

Nested bearing recesses reduce electric hub width without compromising rotational reliability.

Polygonal head engages groove to prevent vibration-induced loosening while allowing horizontal lever adjustment.

Merging two planetary gear sets reduces structural complexity and component loads in bicycle bottom brackets.

A bicycle belt tensioner uses a swing arm assembly and torsion spring to maintain drive chain tension.

Brake lock detector replaces mechanical interference constraints by electrically sensing braked state to permit kick starter operation.

A bicycle hub gearbox transmits braking torque through a clutch mechanism to ensure consistent performance across all gear ratios.

Parallel-axis damping in triple clamps absorbs vertical shocks to eliminate handlebar shake without compromising high-speed steering precision.

A direct-drive bicycle uses a spline shaft and sliding friction wheel to transmit pedal power directly to the front wheel.

A switch designation apparatus reconfigures bicycle control unit functions via software to customize rider ergonomics.

Reciprocating valve motion adjusts damping force range while eliminating step-outs caused by residual fluid pressure in two-wheel vehicle suspensions.

A crank assembly integrates a friction continuously variable transmission with an electric drive motor to control torque and speed.

Interchangeable front frame sections attach to a single back frame via releasable fasteners, reducing the need for multiple cycles.

A vehicle shock absorber cylinder uses segmented communication holes to generate position-dependent damping force.

An intermittent feed mechanism in a vehicle transmission slows shift drum speed via pawl tilting, reducing engaging sound during gear changes.

Offset shock absorber mounting portion distributes loads across cross tubes to maintain structural rigidity.

Dual pinion gears on a linear rack convert push-pull motion into rotational drive, leveraging core muscles for higher power output.

A servo motor cable actuator shifts gears automatically using sensor data and a microprocessor control system to optimize pedaling rates.

Vertical reserve tank arrangement suppresses temperature rise by improving convection cooling.

Direct actuator output shaft contact with shift cam eliminates intermediate rods, reducing weight and noise in vehicle speed-change systems.

An automatic bicycle transmission system uses sensors and a processor to adjust gear ratios, maintaining target cadence without manual rider intervention.

Segmenting the chain guide from the cover allows independent tension adjustment without displacing the cover, preventing chain skip and reducing wear.

Placing the speed disc outside the motor housing improves serviceability while maintaining structural integration.

Integrating the circuit board into the motor case reduces volume while a lubricant-filled chamber dissipates heat from the driving shaft.