Hubs TRIZ Cases

A transparent polymer over-coating seals the wheel applique into one continuous surface, resisting dirt, gravel, and road salt.

A detachable receiving part and rotary union route control pressure from wheel hub to rim without brake-disc chamber modifications.

Balances charge between two vehicle batteries when capacity gaps grow, saving space and improving power use in compact automobiles.

A removable outer ring lets the wheel bearing be replaced without changing the motor-generator unit, cutting repair cost and workload.

Radially guided toothed disks replace ratchet pawls in a bicycle hub freewheel to reduce friction loss, prevent tilting, and improve force transfer.

A two-part rotor with spaced bearings and spring-biased toothed disks improves bicycle hub stability, guidance, and freewheel reliability.

An offset connecting member with bent sections spreads spring and trailing-arm loads across hub carriers, reducing stress concentration and weight.

Matching splined hub couplings let bicycle wheels swap quickly without disturbing drive or brake components, reducing damage and spare wheel needs.

Large-area profiled joining surfaces replace dowel pins to transmit torque through a composite wheel hub with lower stress and wear.

A harmonic gear and motor-driven knuckle simplify steering hardware while enabling independent wheel angles up to 90° with precise control.

Two interlocking sheet metal halves replace rivets or pins in a brake rotor clip, improving force distribution and reducing rotor damage.

A detachable adapter extends a short bicycle freehub body so riders can switch between monolithic and individual sprocket cogsets.

A resilient snap collar shifts prevailing torque away from thread engagement, easing tolerances, speeding assembly, and preventing thread damage.

A recessed wheel hub extends brake disk clamping length to raise bracing force and torque while improving thermal compensation and weight distribution.

A hub-mounted gear and elastic lock prevent single-nut wheel fasteners from loosening or over-tightening under driving and braking torque.

A hollow bearing support replaces complex spoke structures to cut wheel material use, lower cost, and keep stable rotation.

Alternating axial and radial support zones spread chain loads across a conical bicycle cassette to reduce localized stress and premature failure.

Preloaded axial-tooth engagement in a bicycle hub freewheel cuts jamming risk and surface pressure while keeping weight low.

A hollow bicycle wheel hub houses an electromagnetic generator and removable LEDs, protecting lighting from weather and impact while powering it by rotation.

Threaded inner and outer retainers position hub bearings without spacers, easing assembly and reducing axial load sensitivity.

A keyhole rear wheel mount with removable spacers adapts bicycle frames to quick-release, thru-axle, and internal gear hub axles.

An interlocking cam and adapter interface keeps the hollow rear axle aligned, prevents rotation, and simplifies wheel replacement on disc brake bicycles.

Optical sensing in the wheel hub tracks stud tension in real time, detecting yield and over-tightening before wheel connection failures occur.

A cast-in passageway lets compressed air pass through a wheel hub, avoiding hard-to-align intersecting drill holes in drive wheel production.

A lock nut with an integrated magnet measures in-wheel motor rotation to simplify assembly, avoid hub-bearing interference, and keep speed sensing accurate.

Segmented centering surfaces let water drain from the wheel center while a single-piece hub structure preserves strength, durability, and low weight.

Three spoke-flange contact areas reinforce the J-bend, reducing spoke breakage and shimmy while supporting lower spoke counts.

Angled chutes guide linear engagement elements to cut tooth interference, improve force transfer, and keep bicycle freehub operation smooth.

Elastic tabs and stops let aircraft wheel thermal screens pivot into place, secure fixation while limiting heat conduction and preserving screw holes.

A movable retaining sleeve adapts to wheel hub width while preserving fork geometry, reducing friction and avoiding repeated axle adjustments.

A ribbed inner-outer ring case supports pinion pins and gears to prevent fracture, simplify assembly, and improve axle durability.

A form-locked axle and adapter assembly lets modular travelling devices swap wheel sizes easily while maintaining torque transmission and secure fastening.

A resilient bumper and seal member stabilize the tubeless bicycle valve stem, cutting rim rattling while maintaining an air-tight seal.

A ribbed cast iron steering knuckle replaces forged steel to improve shape flexibility, cut assembly complexity, and resist side impacts below -40°C.

A rotating clamp and shaping roller restore deformed wheel hubs with more consistent repair quality at lower equipment cost.

A three-piece heavy-duty brake assembly lets the rotor be removed without pulling the hub, cutting service time and damage risk.

Knurled interference-fit bolts retain the fasteners in the sprocket carrier, speeding sprocket swaps and reducing lost nuts during gear changes.

A tensioned supporting body closes modular wheel blocks together, enabling stable obstacle crossing with fast deformation and recovery.

By enclosing the spider shaft in an internal cavity, this wheel end assembly cuts leak paths and avoids precise hole machining.

A polygonal metal pin in the hub’s radial space secures the cap despite diameter variation, easing assembly and preventing separation.

Two interlocking metal hub inserts spread braking heat and forces through a composite motorcycle wheel, improving stability without adding much weight.

A removable steering hub unit adjusts wheel toe angles to balance lateral forces, cut cornering drag, and simplify chassis maintenance.

An internal tube pilot journal and extended socket hub self-align the axle during welding, cutting jigging cost and weld stress.

Sealed air and seal channels inside a modular hub enable tire inflation or deflation during motion without exposed hoses, spinning, or manual stops.

By integrating a sintered magnet into the lock nut, wheel speed sensing avoids hub-bearing interference and reduces assembly steps.

Separating side and drag load paths in a landing gear wheel retainer prevents axle nut overload, supports in-axle towing, and eases maintenance.

Knurled interference-fit bolts stay retained in the sprocket carrier, enabling faster sprocket changes without removing or losing nuts.

Oblique splines let the hub clutch move axially with less friction, improving ratchet engagement, transmission stability, and weight balance.

An electromagnetic coil and magnets move a shift sleeve to disconnect the wheel hub without continuous current, cutting driveline complexity and weight.

Stepped openings let shaft nuts protrude for secure thread engagement while centering the rim and hub to maintain balanced wheel mounting.