Wheel Based Transmission TRIZ Cases

A tricycle pivot joint enables quick configuration changes between high and low rider setups.

An offset rotor and gearbox enable a compact bicycle generator that solves volume constraints while maintaining high power density.

A vehicle transmission shifts gears using a shift cam stopper positioned partially overlapping the shift fork to concentrate components.

A bicycle suspension adjustor converts rotational input to axial output via rolling members between camming surfaces.

A coaxial motor and gearbox arrangement positions the drive unit within the wheel rim to achieve symmetric weight distribution.

A double-acting pneumatic cylinder system controls motorcycle suspension characteristics through independent air pressure regulation.

Asymmetric rod diameters in a front fork damper prevent air bubble expansion delays, improving damping response.

A bicycle saddle tube employs a transverse oval cross-section at the bottom bracket end to resolve bending load resistance versus chain derailleur clearance.

An axial coupling member in a bicycle shifting device uncouples rotational bodies via human power, improving shifting performance under high loads.

A bicycle hub shift positioner maintains pawl control member orientation, resolving alignment accuracy issues caused by lever actuation complexity.

Axial diameter steps in the support housing separate heat dissipation from bearing support, reducing thermal stress and maintenance costs.

A rear drive assembly uses a one-way bearing connector to transmit torque from the motor to the driven wheel.

Segmenting the stopper mechanism into independent input and output constraints maintains relative shaft angles to reduce power assist motor load.

A bicycle hub gear uses a planetary mechanism to transmit power through axial teeth and spring elements.

Sealed bearing housings protect one-way transmissions from moisture and dust accumulation, ensuring reliable power transmission without feedback.

A bicycle transmission device uses a clutch mechanism to switch between two derailleur gears, enabling 36 adjustable speeds.

A planetary gear transmission uses a synchronizer to couple the sun gear or planet carrier with the prime mover.

Aligning the generator, motor, and power distributor along the vehicle length axis reduces the drive unit width for narrow motorcycles.

A pivotably mounted lever arm transfers torque to a resiliently supported abutment, eliminating strain gauge optimization errors in hybrid bicycle drivetrains.

Direct bearing engagement with fork blades eliminates intermediate end caps, reducing mass while maintaining structural rigidity.

A torque measurement device connects to a planetary gear carrier in mid drive electric bicycle systems.

Automated braking assemblies adjust resistance based on detected torque to resolve manual adjustment reliability issues in cycling simulators.

A four-bar linkage steering mechanism with converging follower links reduces lateral wheel travel and swingarm width for improved lean angle.

A bicycle uses an external rotor motor and planetary gear between the driveshaft and wheel hub to increase torque output while simplifying crank design.

Segmenting power paths between chain and gear systems achieves high reduction ratios while minimizing transmission chamber size.

A coaxial hollow shaft transmission unit integrates nested drive components to reduce weight and friction in bicycle gear systems.

Radial expansion of output serrations resolves the strength versus width contradiction while unshielded bearings maintain waterproofing.

A motorcycle gearbox couples an electric motor to a fuel engine transmission via a main drive shaft and clutch.

An integrated drum and planetary gear structure reduces friction losses while enabling gear ratio changes from 1.6:1 to 1:1.

Gear change control device restricts automatic driving and permits manual mode when malfunctions occur, enhancing limp home capability.

A dual electric driving device distributes torque between a main motor and an accessory motor via a clutching mechanism.

An epicyclic gearing mechanism with assist and control motors manages power distribution in electric bicycle drivelines.

A mechanical stabilizer uses a swinging arm to displace a seat laterally, countering centrifugal forces that cause vehicle rollover during turns.

A steering bearing assembly uses a compression ring to apply radial force for secure steerer tube gripping.

A continuously variable bicycle hub uses frictional conical planetary rollers to adjust gear ratios via axial carrier movement.

A locking mechanism integrates with a vehicle brake system to secure the actuating assembly in a braking position.

Mechanically operable actuator adjustment devices enable manual transmission ratio changes, restoring emergency drivability during electrical system failures.

Cam-driven control units manage internal clutch gear engagement to resolve complexity and sensitivity trade-offs in bicycle drivetrains.

A bicycle suspension adjustor assembly uses independent rotational and axial actuators to modify suspension settings.

Segmented housing chambers and an oil return hole maintain fluid levels during vehicle inclination without increasing engine size.

A planetary gear set with nested mechanisms enables multiple propulsion modes and regenerative braking for electric bicycles.

A sliding component uses a metallic plated layer and carboxyl fatty acid lubricant to reduce friction.

Electronic anti-theft system limits e-bike speed using counteracting motor torque.

A hub integrates a one-way clutch with an epicyclic gearset to transmit power from mechanical and electrical inputs.

A power-assisted drive assembly uses one-way sprag clutches to connect a motor and sprocket for freewheeling operation.

Translatable pivot assemblies adjust the rear wheel travel path and leverage ratio, accommodating rider preferences without compromising structural simplicity.

A torque limiter mechanism blocks excessive back torque from reaching a planetary speed reducer.