Hubs TRIZ Cases

A vehicle wheel sub-air chamber member attaches to a rim well portion using a dedicated joining member to maximize internal volume.

Segmenting the tubular body into three distinct diameter zones reinforces intermediate rib zones, resolving mechanical strength versus construction complexity.

A multi-layered aluminum alloy wheel hub coating combines base powder, prime coats, and colored paint layers to achieve superior surface durability.

Optimizing the internal spline pitch angle to 10-20 degrees resolves compatibility issues between non-complementary sprocket and hub structures.

Steel inserts in lightweight flanges distribute stress and prevent axial bolt play, ensuring stable connections.

A secure locking hub system locks a wheel hub to an axle in a rotationally fixed position using a segmented locking ring and actuator.

A rotary feed-through uses a lubricant annular space to transmit pressure for valve actuation.

A bicycle rear hub uses a magnetostrictive element and detection coil to measure driving force.

A bicycle wheel unit positions a sensor ring between the brake disc and spokes to detect rotational speed.

Shot peening the curved linking portion of a sensor bearing target holder creates compressive residual stresses.

A shaft coupling assembly uses alignment ribs to guide a driver into a hub opening, ensuring precise mechanical engagement during assembly.

A bearing assembly seals openings with a closure element to prevent lubricant loss and contaminant entry.

A furniture caster uses a segmented shaft and plug to hold branding stationary while the wheel rotates freely.

Removable hubs and conical attachment elements nest within the rim assembly, reducing stack height to fit airline luggage restrictions.

Nested axles separate clamping force from frame threading to resolve the trade-off between connection strength and tightening effort.

Press-fit protrusions on the adapter engage the hub shell and brake drum to secure mounting.

A sprag clutch assembly integrates an electric drive motor within the aircraft wheel to enable autonomous ground movement.

Segmented adhesive cladding covers high visibility wheel zones to improve aerodynamics while reducing curb damage risk.

A furniture castor design uses extraction to fix markings on a stationary cap while the wheel rotates.

A modular knuckle apparatus uses segmented brackets coupled through a bearing device assembly end portion to enable independent component substitution.

Segmented toothed disks distribute loads to resolve durability trade-offs.

A bicycle rear hub integrates a pressure sensor between opposed parts to detect driving force changes.

A composite bicycle wheel uses paired carbon fiber spokes bonded without tension to reduce mass and rotational inertia.

A flexible centering ring absorbs manufacturing tolerances between wheel and hub to eliminate eccentricity without tight machining.

Screwing a chainwheel onto a threaded section clamps the brake disk, distributing stress to prevent insert wear while enabling easy removal.

Segmented spoke attachment openings with radial extensions eliminate hub axle interference, enabling spoke maintenance without disassembly.

Knuckle-mounted air-guiding element creates ventilation channel to cool brake disk and reduce wheel carrier assembly weight.

A gear casing uses a radially displaced lubricant compartment and passage array to distribute fluid through centrifugal force.

A locking ring secures quick release levers in the closed position to prevent accidental opening.

A nickel-based cladding alloy matches cast iron hardness through precise chromium and boron composition.

Radial bulges on the hub axle resist bending moments during uphill rides, preventing toothed disk tilt and wear without adding mass.

Multiple independent cutters and a concave annular seat form uniform teeth, preventing flattening that causes noise and premature wear.

A two-stage speed reduction device integrates planetary and counter gears within an in-wheel assembly to transmit rotational power.

Segmented wheel hubs enable nesting to fit bicycles within airline limits without complex disassembly.

Segmented outboard ribs redistribute stress concentrations in a wheel hub, reducing material weight while maintaining structural integrity for freight hauling.

A hub unit design uses a small diameter portion on the end surface to plastically deform and fix the inner ring element securely.

Offsetting the motor unit perpendicular to the wheel hub axis expands radial dimension, resolving torque insufficiency in narrow annular spaces.

Offset retaining ring locks nut teeth without rotation, preserving pre-applied torque settings.

Axially spaced bearings inside a closed sleeve protect components from dust while reducing weight by over five percent.

Joining discrete tubular segments eliminates large one-piece casting, reducing porosity and manufacturing cost while maintaining structural strength.

A bicycle hub freewheel uses biased axial components to transmit torque while minimizing deformation.

A wheel clutch device with hubs and a shaft module enables smooth manual pushing of rollators when motor power is low.