Hubs TRIZ Cases

A wheel hub mounted electronic distance recorder uses a rotation-driven generator to power GNSS tracking and an electronic display.

Axial bearing outer race extends beyond casing to position oil seal and increase transmission capacity.

A vehicle wheel hub assembly uses a retaining mechanism to position the control shaft axially for easier operation.

Strain gauges on wheel end webs measure housing deformation to resolve environmental susceptibility in magnetic load sensing.

A dual-motor in-wheel motor uses a planetary gear mechanism and clutch device to circulate rotational force.

Segmented drilling and plunge cuts create an air-tight intersection in the wheel hub without additional seals.

A bicycle hub clutch system enables gear changes during coasting via magnetic actuation and shape-memory springs.

An intermediary flange design isolates wheel rim heat while enabling cooling fluid flow to dissipate thermal energy from the bearing and disc.

Spigot joint groove captures annular protrusion when bolts are removed, preventing wheel drop and brake damage.

Plastic reinforcement ribs match local force flow paths within a steel wheel bearing core, reducing weight while maintaining rigidity and loadbearing capacity.

Segmented pressing members distribute force uniformly across the bicycle frame via a short movable shaft, reducing wear and weight.

Dual air passages in a vehicle hub unit supply and exhaust air independently, resolving slow responsiveness in real-time tire pressure adjustment.

Mounting a sensor rotor on a processed inner hub surface reduces manufacturing costs and weight while improving structural integrity.

Annular body reinforcement prevents plastic deformations during tight cornering, extending service life and reducing friction losses.

Merging the flange with the elongated member eliminates welding steps, reducing manufacturing time and cost while improving structural strength.

Asymmetric trapezoidal cross-section and arcuate surfaces distribute loads to reduce edge strain without increasing manufacturing complexity.

Live axle design separates wheel detachment from the drive chain, eliminating messy maintenance and preventing axle dropout during service.

A plastic wheel hub cover integrates a trapezoidal rubber sealing element into its cylindrical keying portion to create a radial seal against the outer ring.

A magnetic encoder mounts on a rolling bearing outer ring to detect rotational speed, preventing hub creep via a rotation restraining member.

Integral casting unites the hub and rim to machine precise spoke interfaces, eliminating uneven loosening of individual wire spokes.

A conical pressure element mediates axial force between the axle shoulder and dropout, eliminating play while maintaining ease of operation.

Separate slotted clamp and sealing apparatus adjust bearing play while protecting the hub interior from dirt.

Precision shoulder spacing controls wheel endplay without spacers, enabling central tire inflation.

A unitary cassette fuses multiple sprocket portions into a single structure to reduce weight and improve lateral stiffness.

A wheel hub modulates magnetic field signal strength to encode temperature or torque data alongside movement information.

A bicycle hub assembly design with specific axial lengths for spoke mounting and sprocket support.

A wheel securing bolt integrates asymmetric protrusions and recesses to prevent rotational movement within the bicycle frame mounting opening.

An annular backbone member protects the frame mount portion from premature wear while distributing mechanical load across the rolling element interface.

Magnetic pretensioning replaces mechanical springs to eliminate noise while stepped clutch rings reduce axial length for reliable torque transmission.

A wheel hub integrates a form-fitting mechanism to absorb braking torques directly at the interface.

A bearing protector uses a movable piston and viewing window to visually confirm lubricant levels through aligned indicator bands.

Replacing costly floor scales, this sensor uses strain gauges on the wheel hub to enable real-time dynamic load measurement.

Segmented torque members and axial preload springs allow the brake disk to float, accommodating thermal expansion while preventing coning distortion.

Segmented adapters with a friction member reduce the torque transmission distance, preventing stress damage on small sprockets.

A biasing member positions the cam lever to alert riders when the skewer is loose, preventing unsafe pivoting.

A cylindrical damper member features an offset hole for a sprocket holder projection to create direction-dependent shock absorption characteristics.

Integrating the planetary gear assembly inside a hollow spindle bearing reduces axle width and weight while maintaining structural stress resistance.

Machined spacers center brake discs on bicycle hubs, preventing oscillations and uneven wear.

Segmented axle adapter with pre-threaded locking members eliminates screw loss and reduces wheel change downtime.

A wheel hub assembly uses a dial indicator to measure endplay during retaining nut tightening.

Segmenting the freewheel and merging the bearing reduces axial width while sealing protects against dirt ingress.

Segmented hub interfaces with distinct guiding and adhesive zones resolve complex manual alignment requirements while maintaining reliable bonding strength.

A frustoconical hub-rotor adapter accommodates differential thermal expansion between disc brake components.

A magnetically coded transmission sleeve mounted in a cantilever manner enables torque measurement within a compact wheel hub assembly.

A segmented wheel bearing hub design combines a hollow-cone light metal element with a radially extending support component to optimize material distribution.

Interlocking sleeve depressions replace welds on heavy-duty axles, eliminating stress risers while maintaining connection strength.

Oblique tab angles mount rollers in a cantilevered fashion, resolving space utilization versus structural support trade-offs.

Laser-infused friction lines on a supercharger pulley prevent belt slippage and reduce noise while maintaining compact system dimensions.

Eliminates tolerance chains by mounting the sensor disk directly to the hub, improving anti-blocking system accuracy.

Segmented retainer elements constrain axial travel of the control shaft to prevent accidental separation while allowing easy servicing without hub disassembly.