Gearing TRIZ Cases

Specific cord pitch and tooth fabric reinforcement cut noise and vibration in helical belts without sacrificing bendability or fatigue life.

Small tooth pitch variations within backlash limits break regular meshing frequencies, cutting toothed belt drive noise and vibration.

A form-fit motor mount and laser-welded housing cap simplify vehicle flap spindle drives while improving torque support, sealing, and noise control.

A stamped hollow pivot pin lets the tensioner arm rotate and keep chain tension stable in non-transmitting segments.

Brush-arm parallelogram linkages and spring damping keep ground pressure stable while a coaxial turbine layout cuts suction pressure losses.

Fixed spheres and ball bearings replace ball return circulation to prevent jamming, vibration, noise, heat, and backlash in linear motion.

An integrated VFD inside the actuator housing enables adjustable speed, precise positioning, lower shock loads, and simpler installation.

A spacer and locking support member hold the idler sprocket shaft in position to prevent shifting, maintain chain tension, and preserve alignment.

Movable toothed segments enable compact gearing to transmit high torque at high speed with adjustable ratios, low wear, and high rigidity.

An integrated guide cam and rod recess replace external guides and springs, enabling linear actuation, higher torque, and lower cost.

An integrated rotary overload clutch in the spindle nut limits peak forces during collision travel while saving installation space and length.

Guide slots and protrusions convert linear shaft motion into cam rotation for direct clutch torque transfer without pedal-dependent slipping.

Preload springs and aligned drive disks remove backlash at the surgical instrument interface, improving torque and position predictability.

Movable hooks, a sliding lock, and position sensors enable automatic actuator locking and reliable gear down indication without hydraulic circuits.

A spring-biased limiter drops into a leadscrew pocket to stop nut travel without axial loading, cutting cost, noise, and assembly complexity.

Asymmetric chain tensioning shifts jump to the drive sprocket, raising jump torque while preserving drivetrain efficiency and reducing chain mass.

A unitary cradle and support arm module removes alignment steps, cutting bodymaker installation time, damage risk, and floor-space interference.

A sealed self-adjusting chain tensioner keeps snow blower auger drives properly tensioned while blocking debris, reducing wear and noise.

Parallel guide rods, a drive screw, and biased bearings let an autonomous mower adjust blade height precisely with less binding or chatter.

Direction-dependent roller screw efficiency keeps steer-by-wire wheels aligned under lateral forces without added braking or locking units.

An inclined guide slot and protrusion convert linear shaft motion into cam rotation to deliver full clutch torque transfer and prevent ramp slip.

A divided clutch plate layout separates engine brake tuning from acceleration capacity, enabling precise back-torque control in motorcycle transmissions.

A clamshell anti-rotation assembly replaces the pinion in steer-by-wire systems to save space, cut complexity, and maintain steering control.

Oil-guiding ribs and flow paths redirect scattered engine oil to the pivot journal, reducing chain tensioner wear under low-viscosity lubrication.

Hydraulic load support and ball screw positioning are combined to deliver precise linear motion for heavy-duty machinery with lower maintenance.

A cam-driven lock and reaction motor stop steering shaft over-rotation at wheel limits, restoring end-stop feedback in steer-by-wire.

An elastic clamping mechanism uses overturning motion to secure kneading machine tanks without hydraulic or electrical actuators, cutting complexity.

A single-motor planetary transmission drives both fluid dispensing and tip ejection, cutting pipette space, parts, and handling complexity.

A four-link mechanism switches shafts between coupled and free rotation, reducing power loss without complex control or ratchet wear.

Using strong and weak flexsplines with different tooth counts, this reducer cuts backlash, tolerates wear, and eases machining demands.

A dual-motor planetary gear drive lets a press ram switch between fast approach and high-force forming without hydraulic leaks or crankshaft complexity.

A laterally movable mid-coupler maintains steering shaft power transfer under radial and angular misalignment while reducing seal wear and shaft stress.

A ratchet-guided threaded nut prevents valve actuator jamming, holds full motor torque at the limit, and breaks free with lower torque.

A screw pushes stacked balls to extend a lateral positioning pin, enabling precise optical alignment where screw access is space-limited.

Selective weights on CVT clutch flyweights shift the center of mass to preserve startup acceleration while improving high-RPM engagement force.

A convex stationary deflection piece lets roller chains guide parking platforms under high load without rotatable bearings, cutting cost and wear.

A variator-based EV powertrain raises overall reduction ratio to preserve launch torque, vehicle speed, and motor efficiency with a smaller EM.

Parallel threaded rods and nuts let an electric actuator deliver hydraulic-level thrust in a smaller, cleaner, lower-maintenance structure.

An integrated spring engagement replaces the stopper pin, securing the support arm while limiting chain vibration, noise, and lever weight.

A wedging return stop mechanism locks louver spindle drives against return torque, protecting the motor while enabling smaller, efficient units.

An embedded sensor in the ball screw nut uses an ineffective thread groove to monitor torque, vibration, or temperature without blocking stroke.

Electromagnetic flex gear deformation replaces bearing-supported wave generators, cutting wear points and extending harmonic drive service life.

Engaging recesses and convex fixing portions lock the circulation part on the nut, easing hole accuracy demands and preventing clogging.

Axially offset return channels and retaining undercuts keep bearing balls from dropping into intermediate thread grooves in multistart ball screws.

Engaging grooves and members simplify end cover and scrape plate alignment in ball screw assembly, cutting manual work and aiding automation.