Toothed Gearings TRIZ Cases

A two-shaft layout with one-way bearings and a separate reverse clutch enables smooth 6-forward shifting with less length, noise, and shock.

A symmetric bevel-gear differential layout delivers high reduction in one compact stage while lowering sliding velocity, friction, and bearing loads.

A nested six-shaft layout with a third countershaft cuts axial installation space in front-transverse dual-clutch transmissions.

A one-piece die forms stepped helical gears in one powder-compaction step, cutting die complexity, production time, and tolerance variation.

A sheet spring and screw-thread converter stabilize mower blade height by preventing rattling, vibration drop, and uneven cutting.

A dual-sun step-pinion planetary layout uses selective clutching to deliver high torque ratios in a compact transmission package.

A flexible blade and linear mobile replace worm-gear contact to cut backlash, wear, and friction in precise angle transmission.

A selector cam lets one motor drive multiple end effector functions, cutting handle size, weight, circuitry, and cost.

Machine-learned oil temperature patterns detect clutch galling, seizing, and faulty engagement without relying on odor sensors.

A third shaft decouples the bucket wheel sun gear from the first shaft, improving torque transmission and working-condition flexibility.

A shared double-planet gearbox layout supports centric or eccentric motor input with fewer parts, lower power loss, and high precision.

A planetary gear intermediary replaces hard-to-machine internal teeth in compact eccentric transmissions, widening speed ratios while lowering cost.

A plastic toothed rim, reinforced connecting element, and press-fit hub cut gearwheel weight while maintaining stable torque transfer in steering systems.

Angled worm-screw axes free space around the steering column, cut gear rattle, and improve ECU placement and driver foot clearance.

A multi-stage gear train and spring add torque for more natural gait while cutting prosthesis weight, power demand, and battery drain.

Springs and controlled gear-pin clearance cut backlash in a planetary VCT phaser, reducing noise, vibration, and harshness.

A cylindrical support region on the shaft stabilizes planetary gears, reducing backlash, tilt, and bearing losses in torque transmission.

Using identical stacked planet gears across stages and a shared ring gear, this assembly raises torque capacity while cutting part count and cost.

Internal gears transfer drill torque to a socket bit in tight spaces, cutting hand force, fatigue, and injury risk during bolt work.

By coupling non-output gears in neutral, the transmission agitates lubricant oil for faster warm-up without adding a separate pump.

A spring-assisted epicyclic transmission stores and releases torque to improve gait naturalness, terrain adaptation, and battery life.

A vertically stacked gear and pinion layout improves steering packaging, placement flexibility, and high reduction without cantilevered mounting.

Inclined bearing seats and a centric intermediate gear pair cancel unbalancing moments, enabling compact high-speed pericyclic transmission.

A metal insert and dual-plastic gear ring cut noise and wear while limiting thermal and load-driven deformation in spur gear meshing.

Axially displaceable carrier links move a dog element for compact gear changes with shorter shift stroke and uninterrupted power flow.

Different tooth depths and pressure angles let dual-type strain wave gears mesh evenly, raise torque capacity, and reduce wave bearing load fluctuation.

A press-fit shaft and rotation-locking structure cuts screws and extra shafts, simplifying assembly while improving strength for vehicle door actuators.

Rotational speed sensing aligns clutch toothing with a movable gear to prevent jamming, cut shift noise, and reduce torque loss.

A preloaded thrust bearing stabilizes the helical sun gear, suppressing axial displacement and angle error without increasing gearbox length.

Axial worm-shaft movement engages a friction brake during anode lowering, improving stopping precision and balancing power demand.

A stiffness-graded pylon and side-plate layout cuts planet gear misalignment, improving load sharing without enlarging the epicyclic gearbox.

Graphical row-unit speed mapping helps relate planter travel variation to seed placement accuracy and spacing consistency in the field.

Intermeshing main and peripheral gear modules let multiple engines be attached in varied layouts while transferring torque efficiently to one output shaft.

Rotating centering pins realign a UAV after touchdown on moving surfaces, improving landing precision for payload handling and recharging.

Replacing rolling bearings with radial and thrust sliding bushings makes the strain wave gear unit lighter and more compact.

Phase-specific mapping captures changing shift delays to estimate clutch hydraulic pressure more accurately under varying temperature and speed.

An eccentric hypocycloid reducer slows high-speed rotary tools through lobed disk and receptacle engagement, improving control in compact housings.

Using phased eccentric cycloidal gears and friction plates, this differential improves torque distribution, slip limiting, and radial load balance.

Cycloidal gear backlash is tuned to thermal expansion to prevent overheating, reduce wear, and extend RV reducer service life.

Dual annular gears with tooth counts set by Zo = Zf ± Np enable a compact single-stage reducer with high ratio, lower cost, and better durability.

A joint-driven lateral cutterbar section expands mowing width, then pivots behind outer cutters to stay within transport limits and avoid collisions.

A pin-notch clutch brake switches between free rotation and frictional braking to manage torque flow between the sun gear and planetary carrier.

Radially offset carrier segments and nested planet gears shrink multi-speed power tools while lowering axial length and component stress.

A concentric shaft and cluster gear layout expands ratio spread in a compact 2-shaft gearbox while improving shift speed and reducing wear.

A flexible blade looped around the output shaft replaces worm contact to cut backlash, wear, and inertia while enabling precise positioning.

An axially movable helical gear with spring preload reduces backlash, torque unevenness, and image shake during sudden pan-tilt speed changes.

A sliding handle drives a helical member to turn linear user force into wheelchair torque with lower friction and better biomechanical efficiency.