Hand Wheels TRIZ Cases

A segmented drive mechanism encloses the steering wheel rim, reducing manual bonding time and errors while improving uniform tension.

A non-annular rim uses inclined protrusion surfaces to support natural thumb placement and limit hand displacement during rotation.

A heat-conducting member and base transfer electronic control unit waste heat to the steering wheel heater, reducing thermal damage risk.

Asymmetrically positioned base segments engage around the metal core to suppress positional deviations and rattling during steering wheel operation.

A steering control device maintains torque and angle during automated system failures to enable smooth driver intervention.

Replacing screw fixation with a clip pressing the circuit substrate against the motor body simplifies assembly and secures electrical connections.

Extensible sheet member with end portions matching rim recesses suppresses wrinkles and slacks for wider heater line placement.

An automated steering wheel retracts by folding halves orthogonal to the column, resolving space occupation and airbag accommodation constraints.

Multi-frequency steering vibrations overcome road noise interference, ensuring reliable driver alerts across varying speeds.

A steering wheel rim integrates a mounting projection with a coupling element to securely attach an operating unit.

Conductive regions in steering wheel covering material couple to capacitance detection circuits for reliable hand-off sensing.

Inflatable bladders adjust grip size and hardness via fluid pumps, resolving static comfort trade-offs.

A steering wheel decorative member uses a tapered adhesion region to disperse stress concentration across its back surface.

Relocating load driver stages to the steering column reduces installation space and connection complexity in the steering wheel.

Oximeters embedded in steering wheel handholds monitor driver oxyhemoglobin saturation levels to detect fatigue states.

Segmented heater wire patterns on a steering wheel enable precise capacitance sensing for hand detection.

A steering gear assembly integrates a motor via a nested transfer shaft within a torsion tube housing.

Hinging mechanism rotates steering grip to horizontal position, reducing driver encumbrance when vehicle is stopped.

Disproportionate tapering of steering wheel spokes balances fatigue strength with bending stiffness.

A mounting bracket presses a vibration motor body against a steering wheel core to transmit mechanical energy, resolving weak lane departure alerts.

Shield electrodes coupled with protection circuits prevent floating capacitance interference and static electricity damage in capacitive sensing.

Protrusion portions on the upper rim section prevent hand displacement, resolving the conflict between forward visibility and stable operation.

Integrates gearing housing constituents into the steering wheel base to unify mounting structures and simplify assembly processes.

A steering control device uses a switching unit to decouple the input operation unit from the rotating steering wheel.

A foldable steering wheel assembly retracts into the vehicle body to secure driver space.

Single-piece overmoulded covering and insert form recesses to accommodate electric wires within the steering wheel structure.

A vehicle computer detects operator characteristics to position steering and pedal components during autonomous driving.

Time-domain reflectometry analyzes impedance changes along a signal line to distinguish touching versus grasping scenarios without increasing device complexity.

A rotary connector device integrates a cable cutting member to sever the cable before conductor disconnection occurs.

A steering aid device features a planar hand engagement surface that allows operators to rotate the wheel using their palm.

A guide protruding piece with a tapered lower surface directs flat cables in rotary connectors, preventing abrasion and scraping noise during vehicle vibration.

Segmented rim parts pivot toward the center hub to maintain horizontal width during shape change, preventing lateral expansion in autonomous vehicles.

Translating a second gripping element along the steering axis frees front-back space, preventing bulk from protruding folded elements.

Inclined control surfaces on a steering wheel provide distinct haptic cues that prevent accidental triggering during blind operation.

A steering compensation adjustment module detects driver hand position and dynamically modifies torque gain to facilitate stable one-handed operation.

A vehicle control device adjusts grip sensor voltage thresholds to detect steering wheel contact states accurately.

Staggered cut-outs in the planar flexible carrier enable uniform heating on complex steering wheel rims without wrinkles.

A finger-mounted thrust lever with a Hall-effect sensor provides manual accelerator actuation without structural vehicle modifications.

A multifunction steering wheel pivots to a non-steering position, decoupling from the travel direction element.

Replacing thick sponge layers with a thin etched aluminium track eliminates steering wheel wrinkles and reduces manufacturing complexity.

Segmented steering wheel controls map to specific instrument cluster displays, resolving the trade-off between system functionality and device complexity.

A steering wheel sensor unit measures electrostatic capacitance changes to detect driver grip proximity.

Embedding the display within the steering wheel structure aligns visual warnings with the driver's natural field of view, resolving visibility trade-offs.

Convex electrode portions guide winding and increase surface area to resolve concave groove sensitivity loss.

Temperature-adjusted capacitance thresholds eliminate false grip detections caused by thermal drift, ensuring accurate hands-off warnings.

Segmenting load across a pivotable first spoke and sliding second spoke eliminates bulky locking joints, reducing weight and complexity.

Electric motor replaces complex gears to adjust steering column, improving driver visibility and comfort.

Segmenting the beam into varying cross-sections positions the steering column near the centroid, reducing vibration while preserving aesthetic appearance.