Toothed Gearings TRIZ Cases

A strain sensor built into a distortion-generating fixed body lets an eccentric oscillation speed reducer detect torque for operation and maintenance.

Coil springs keep the feeder body pressed against pin rollers, sustaining oil feed after wear and preserving smooth gear meshing.

Distributed bearings between the carrier and ring gear balance radial forces, improving turbine geartrain power transfer and wear control.

Axial thrust and a low-inertia friction clutch reduce dog tooth engagement shock while preventing torque shortage during shifting.

A ball spline lets the first face gear incline and shift axially to maintain meshing, improve coaxial accuracy, and smooth output torque.

By tuning double-planet count and size, this gear layout creates cable feedthrough space without sacrificing torsional stiffness or load capacity.

A cycloidal reduction gear links the steering rod transmission to position sensing, saving installation space while maintaining a high transmission ratio.

A compound gear train boosts torque to secure footwear under high loads while keeping the motorized tensioning transmission compact and manufacturable.

A modular lift, rotate, pitch, and swing layout gives a compact gimbal four-axis motion for precise multi-direction target adjustment.

An elastic tensioning element preloads the drive and gearbox modules to absorb tolerances, simplify assembly, and reduce gear wear and noise.

An axially sliding sleeve and spring-loaded radial key engage output disks without chamfer alignment, reducing locking and drag torque.

A breathable vent in the sealed planetary carrier equalizes gearbox pressure while retaining lubricant, reducing damage risk and improving reliability.

A clutch-and-dog-clutch layout expands ground speed range in agricultural vehicles while cutting transmission inertia, weight, and power loss.

A planetary transmission lets the pin and shoulder rotate at different speeds in the same direction, improving weld quality without separate drives.

A split carrier, tuned helical gear angles, and a flexible seal reduce bearing axial loads, ease ring gear assembly, and improve heat transfer.

A movable internal gear and elastic hollow planetary gears deliver high reduction in a compact reducer while simplifying assembly and reducing backlash.

A planetary power-split transmission routes one aircraft powerplant to rotors or fans, cutting weight, drive complexity, and maintenance.

A nested ring-gear and intermediate-shaft layout delivers multiple gear ratios with less transmission space, weight, and complexity.

A radially offset fastener and washer secure the planet gear to the carrier, preventing rotation and reducing loosening in planetary gears.

Controlled substrate rotation reduces turbulent flow in deep-cavity electroforming, improving deposit uniformity and shortening plating time.

A carrier placed between adjacent planetary shafts absorbs higher moment loads, boosting speed reducer rigidity without blocking gear meshing.

A planetary brake transmission switches between two reduction ratios to cross release clearance quickly and then build braking force in compact wheel brakes.

A wiper and inner-housing openings guide lubricant and coolant at gear mesh points to cut friction, turbulence, and heat buildup.

An interference avoider stabilizes stopper protrusion contact in a speed reducer motor, cutting noise and preventing deformation.

An epicyclic gearset and overrunning clutch enable thermal and electric drive modes with lower weight, fewer parts, and no active control.

A two-ratio PTO-to-flywheel drive uses a displaceable geared collar to ease baler start-up, cut clutch wear, and reach higher flywheel speed.

Arc-shaped spiral tooth contact lets a compact planetary speed reducer raise reduction ratio without sacrificing gear strength.

A compound planetary gearset gives one power tool multiple reduction ratios, covering high-speed drilling and high-torque fastening with less energy use.

A reversible input shaft and one-way clutches let one motor switch between roller cleaning and separation, cutting size, cost, and wear.

A carrier fixing hole and pin secure the shaft coupling position, preventing rattling and improving torque transmission accuracy in robot drives.

A two-stage powder lubrication approach forms a strong break-in film, then uses hydrophobized MoS2 or WS2 to limit aggregation and torque loss.

Trochoidal susceptor motion evens plasma exposure in CVD chambers, improving radial film uniformity beyond simple rotation.

Stepped protrusions in a stamped geartrain cover support multiple bearings and improve axle shaft sealing without sacrificing structural integrity.

A cycloidal transmission slows actuator input to give refuse tippers smoother, more reliable dumping at the tailgate.

Nested planetary gear sets create counter-rotating outputs from one input while delivering large gear ratios in a compact gear drive.

Super engineering plastic raceways, cylindrical rollers, and a solid lubricant film cut wear, dents, and fatigue peeling in strain wave gearing.

A resilient latch arm and sterile adapter enable fast surgical instrument exchange while keeping non-sterilizable actuators outside the sterile field.

A self-locking worm shaft and wheel let operators rotate a crusher rotor for maintenance while preventing dangerous back-driven movement.

A threaded bushing with conical radial support replaces washers and screws to give precise, vibration-resistant bevel gear shaft adjustment.

A common shaft supports concentric planetary gear units to shrink installation space and maintain accurate gear meshing in a freewheel mechanism.

A key-sleeve disengagement mechanism lets an electric pallet truck gearbox stop torque transfer so the truck can be pushed manually after motor failure.

A vibrating powder bag meters solid lubricant inside a strain wave gear to avoid buildup, reduce rotational resistance, and prevent lockup.

A modular reversing gear assembly switches drive direction automatically, preventing wheel spin in place and improving pool-bottom cleaning coverage.

Balancing motor power between the sun and ring gears cuts planetary speed, reduces startup losses, and avoids unstable operating states.

Corrective gear alignment and multi-motor actuation enable smooth isotonic-isokinetic switching with force, speed, and form feedback.

A dual-path bevel gear and series planetary servo gears replace hydraulic steering hardware to cut energy use and simplify vehicle installation.

A single-stage rotating support structure replaces complex multi-stage hinges to improve fold precision and protect flexible displays.

A cycloidal speed-reducing transmission gives refuse vehicle tippers more precise arm motion for controlled container dumping with manageable complexity.

An annular plenum links stationary and rotating passages to keep turbine geartrain support and lubrication consistent across operating modes.

A linked friction clutch, positive clutch, and freewheel simplify transmission shifting, cutting actuation energy and assembly complexity.