Gearing TRIZ Cases

Run-on bevels and a pull element enable rapid axial clutch release in a linear drive, avoiding lateral access and reducing mechanism complexity.

Rotary actuators and a linkage drive replace failure-prone linear actuators to deliver precise cyclic manifold motion and nozzle alignment.

A gear-driven oil reservoir between drivetrain stages feeds bearings and gears without a separate pump, cutting complexity, space, and splash losses.

A self-locking torsion spring removes the stopper pin, simplifying chain tensioner assembly and preventing dropped-pin engine trouble.

Relative speed checks during startup detect injection molding timing belt faults without continuous position monitoring or heavy processing.

Internal air passages and an air chamber stabilize ram-shaft pressure in can body makers, reducing hose maintenance, jams, and release issues.

A dual-piston oil-fed chain tensioner self-adjusts tension and lubrication to cut slack, vibration, and maintenance needs.

A pivoting toggle trigger replaces a separate reverse knob, letting power ratchets switch direction and adjust speed more easily in tight spaces.

A four-bar actuator linkage boosts mechanical advantage for faster finger wedge barrier deployment while damping vehicle shock to protect the actuator.

Absolute steering angle feedback updates end-position references during restricted shaft movement, reducing end strike impact after repairs.

A nested five-section screw-driven column cuts retracted height while preserving long stroke length and smooth self-locking operation.

Pressed axial channels in the spindle nut replace drilled return paths, cutting ball screw manufacturing complexity, time, and cost.

A switchable locking device selects one spindle drive at a time, extending steering column adjustment travel with consistent haptic and acoustic behavior.

Engaging grooves and convex fixing portions secure the ball screw circulation part while easing through-hole accuracy and preventing passage deformation.

A long-hole clutch weight and roller guide shorten engagement time, raising clutch capacity and improving fuel economy.

Distinct non-prevalent pitch-radius orders across multiple sprockets cut chain drive pitch noise without driving chain tension too high.

Pin components outside the return tube legs secure the circulation component without bolts or threaded nut holes, simplifying ball screw assembly.

Two motors and brakes share a planetary gear train so a linear actuator can keep moving after motor failure or power loss.

A nested end component closes the nut groove to raise rigidity, cut noise, and shorten ball guidance to prevent clogging.

A coupling shaft and two-belt pulley layout routes crankshaft power around the Corvette C8 dry sump reservoir to drive the supercharger.

A radially offset idler pulley post and pilot bore let power steering belts be tensioned and aligned precisely in a compact assembly.

Centrifugal force and friction in a tilted revolving piece replace gears or screws to move objects linearly with simpler, lower-cost hardware.

Uneven gear stages drive two locking elements at different speeds so a pass-through closes gaps quickly and blocks tailgating.

A ball-screw, gearset, and bevel gearbox replace hydraulics to deliver compact, robust steering assist for electric and hybrid heavy vehicles.

Axially split nut parts and adjustable axial preload cut backlash, mass, and installation space in planetary roller screw drives.

Radially guided pistons mesh successively with internal toothing to transmit high torque in a compact, backlash-free coaxial gear set.

Pre-machining the thread profile before rolling smooths roughness peaks, cuts rolling torque, and strengthens the final ball raceway.

A spring-preloaded primary nut and secondary nut transfer excess spool-up loads, protecting lead screw threads and lowering material cost.

By varying internal and external tooth thickness along the tooth trace, this case enables 3D meshing while easing tooth cutting.

An eccentric journal and variable-speed servomotor replace heavy cams and linkages to cut redraw sleeve wear and actuator energy use.

Slots in the rigid flinger relieve deformation stress, keeping the seal anchored while blocking debris ingress and lubricant leakage.

A multi-finger collet and preload nut cut radial play in linear actuators while improving axial stiffness, critical speed, and thrust stability.

A shaped pulley guard placed between belt runs blocks debris near mower pulleys, reducing belt damage and dislodgement on uneven terrain.

A corrugated threaded lead screw absorbs crash energy inside the steering column adjustment drive, cutting size, parts, and assembly cost.

Controlled root-radius phase variation cuts chain-drive noise and vibration while stabilizing tension distribution and sprocket durability.

A switchable blocking device selects coarse or fine spindle stages in a steering column drive to eliminate mixed modes and stabilize feel and sound.

A chromium-coated convex link plate and molybdenum oil additive cut timing chain guide friction and wear under low-viscosity lubrication.

Shouldered side sliding plates absorb transverse forces and allow fine guide-play adjustment for precise wedge-drive motion.

Displacement sensors and adaptive coils keep screw and nut axes aligned, stabilizing pre-tightening force while reducing wear and positioning error.

An internal VFD gives a linear actuator adjustable speed, better positioning, lower inrush current, and heat dissipation through the cover.

Rolling balls in rack grooves prevent ball screw rotation while allowing low-friction axial travel and avoiding over-constraint in steer-by-wire systems.

A sliding gear and locking segments secure the retracted nut against external loads and release automatically without electrical power.

A corrugated groove redirects axial loads away from bearings, enabling a smaller ball speed reducer with lower friction and torque loss.

Dual damping rings and rolling bearings keep the tensioner arm aligned, reducing oscillation, noise, and bearing wear in engine belt drives.

A sliding-lift hinge and reciprocating lock keep gasket pressure uniform during cover folding, reducing leakage and deformation.

Distributed transmission pairs let the flex gear and outputter shift circumferentially, cutting twisting stress, loss, and axial size.

Oblong molded guide features replace metal parts and bushings, cutting slide complexity while improving contamination resistance.

A one-way engagement member locks the CVT sleeve during engine braking, increasing belt clamping and torque transfer on rough terrain.

Rolling-contact harmonic drives replace sliding ball transfers to raise downhole torque, cut wear, and avoid lateral vibration at high temperatures.

A spindle-surrounding compression spring offsets steering assembly weight to smooth height adjustment speed, cut noise, and save space.