Gearing TRIZ Cases

Acoustic threshold sensing stops vehicle platform lift movement when occupants are detected, improving wheelchair loading safety and damage prevention.

Position monitoring of dual steering actuators detects belt slip or jumps and pinpoints the affected traction drive to protect steering safety.

Electromechanical toe-in control uses distance sensing and correlation algorithms to align dual cameras for fused 3D images.

A piston check valve deaerates the extension arm, returns leaked oil, and prevents pressure peaks that can damage the spindle piston.

Differential spline counts let the overtravel stop be rigged without disassembly, improving stop timing accuracy and reducing impact damage.

A twisted tension band improves routing and strength in miniaturized MIS wrist joints, enabling dexterous low-cost disposable tools.

A dual ball screw with different lead constants gives aircraft brake actuators fast initial travel and higher force without gearbox complexity.

Replacing clutch buttons with spider rollers improves belt grip, lowers belt temperature and wear, and smooths CVT engagement.

Dual cam surfaces drive separate followers and links to switch clutch engagement modes with precise torque transmission control.

A pivot-driven linkage lifts a notebook's rear side to create cooling space while folding flat for easier use and storage.

A direct cam-driven axial pump removes the gear reducer to cut tool weight, transmission complexity, and manufacturing cost.

An adjustable cam-disc sleeve in a comber gearbox tunes breaker roller timing to improve fiber sliver uniformity and yarn quality.

A timing belt lift separates gripping from dumping to cut arm weight, noise, and impact loads in automated refuse collection.

Radial guide elements placed in pulley tooth gaps keep toothed belts laterally aligned without flanges, preserving power transmission and belt strength.

Low-torsional-stiffness connecting members cut part count while enabling stable large deformation and reducing rattling or asymmetry.

Parallel drive systems at both ends of the worm shaft simplify redundant steering gear packaging while reducing engineering complexity and size.

A variable-bore locking pin decouples flight loads from the actuator, preventing damage while enabling a lighter folding wing lock.

A non-linear belt path tensions the slicer drive belt automatically, preventing slippage without complex manual adjustment.

A staged dual-diameter gear engagement increases detection gear rotation, improving new-product and specification detection accuracy.

A clamping assembly bends the drive belt along a curved path to self-tension the carriage drive, limiting slippage and belt wear.

A deformable shock-absorbing blade section releases lock shock before it reaches the drive gear, avoiding heavier clutch parts.

Recessed thread-flank reservoirs and spiral grooves keep grease on steering column adjustment threads, reducing friction, wear, and lubrication loss.

A traveler with dual screw couplings transfers rotation between coaxial shafts, shrinking active aerodynamics actuator size while resisting external loads.

A common star-shaped connecting rod lets multiple pistons share one crank pin, delivering compact high-torque coaxial transmission with uniform force.

Pressure-sensed fluid control maintains chain tension, damps vibration, and lubricates the drive without periodic spring adjustment.

Selective flange placement on multi-pulley belt drives limits axial belt movement while reducing flange contact stress that can cause rupture.

A rotary shaft with inclined housings expands and contracts VR headset earphones automatically, improving comfort without manual opening.

Partitioned communication paths let a ball screw nut shrink axially while keeping ball circulation stable and preventing annular wall contact.

Air-guiding ring discs form an air curtain at the pulley to block debris ingress, limiting friction, overheating, wear, and downtime.

An elastic annular fixing tool locks a belt installation jig into a pulley recess to prevent fall-off, idling, and reverse rotation.

Caulked ribs secure the ball screw nut circulation component without pins, cutting parts count while preventing detachment and layout limits.

A twisted tension band routed through wrist link channels preserves strength in small surgical tools while reducing cable stretch, part count, and cost.

Selective flyweight mass placement shifts the center of mass to balance low-RPM torque with high-RPM clutch engagement efficiency.

A spline-curve transition replaces two-arc flex spline geometry to cut stress concentration and extend harmonic gear service life.

A peripheral oil storing chamber and check valve speed pressure-oil filling at engine start, improving damping and reducing chain noise.

Non-uniform gearing drives barrier elements at different speeds so one allows passage while the other closes behind to prevent re-entry.

Embedded cooling in the actuator housing manages heat while the direct nut-to-thrust-tube drive improves positioning accuracy and service life.

A quick-coupling screw-drive hand tool swaps tool units fast while transmitting tensile and compressive force for varied workshop tasks.

A second deflection element creates a pulley path that cuts actuator travel and installation space while preserving dynamic pretension control.

Back-and-forth spring actuation is converted into rotation to propel sub-millimetric micro-structures through viscous brain tissue.

A quick-coupled modular screw drive lets one battery-powered hand tool swap tool units for pulling, compression, riveting, and punching.

A helical guide with varying slope clips peak thrust demand, enabling lower motor torque, lighter actuator sizing, and better bandwidth.

A standby sub chain keeps a CVT transmitting power after main belt or chain failure, preserving vehicle mobility with minimal impact on normal shifting.

An 80-100° multi-axis belt drive with one-way bearings cuts wear, simplifies maintenance, and preserves rotor autorotation.

Dual torque-sensitive drive and driven clutches cut actuator force and energy use while enabling faster, uniform IVT belt clamping.

A coupling tube links two screw drives to synchronize five nested column elements, extending lift capacity without extra motors or cable pulls.

Acoustic sensing, bridgeplate locking, and protected power coupling help a vehicle lift prevent accidental wheelchair movement and short circuits.

A preload-activated bypass shoe diverts failure-level loads away from the ball track, cutting wear and material cost in ball screw assemblies.

A pressure accumulator and sealed piston regions relieve axial loads on the threaded drive, preventing impact damage and preserving lubrication.

A radially offset torsion spring counterbalances hub load in a high-offset belt tensioner, reducing bushing wear and preserving tension over time.