Gearboxes TRIZ Cases

An adapter-based centering structure keeps the decelerator and external bearing coaxial, reducing vibration and improving robot positioning accuracy.

A pressure-responsive recirculation circuit meters lubricant between the AGB and air turbine starter to prevent overflow and protect bearings.

A defined gutter-to-gearbox volume ratio improves lubricant scavenging while limiting windage, friction losses, and excess gearbox weight.

An external shaft-and-collar lockout secures the drivetrain without removing sealed gearbox covers, reducing corrosion risk and heavy tooling.

A solenoid-shifted input shaft decouples a harmonic drive from a jammed motor, letting aircraft control surfaces move freely with less drag.

Profile tip and helix relief concentrate gear contact pressure to cut sliding wear and improve high-torque gearbox efficiency.

A two-stage shiftable transmission balances direct drive and ratio change to reduce uneven gear wear and load-dependent losses.

Sealing members at both coupling interfaces keep oil and water out of the clutch housing, enabling reliable engine-gearbox operation in harsh mining conditions.

A gauge-block-based adjuster sets the absolute rack-to-pinion assembly distance, improving transmission assembly reliability and maintenance.

Five planetary gearsets and seven selective couplers expand a transmission to nine forward and four reverse ratios with precise gear engagement.

Wear sleeves in gearbox shaft bores take bearing wear, allowing repeated case repairs without planing away housing material.

An external service release lever and dual-function seal keep the vehicle latch actuator accessible while blocking water and dust ingress.

Direct front-wheel drive with belt-and-pulley rear power transfer keeps skid steer wheels synchronized while reducing assembly bulk and service effort.

A split drive train with evoloid toothing cuts actuator size and play while preserving force transmission for adjustable vehicle elements.

A parallel crawler shaft adds forward and reverse crawler gears without lengthening the transmission, preserving startability and shaft strength.

A hardened shaft and softer threaded end help a speed changer pin resist bushing wear while protecting thread integrity under load.

One-way clutches in a superposition gearbox shift accessory load away from the high spool, reducing speed excursion and starting torque.

Stamped sheet-metal gear train elements replace fracture-prone sintered parts to deliver high torque with lower weight, less space, and no rework.

Magnetic damping and a gearbox keep sprint trainer pedal strokes smooth by avoiding the empty feel and tolerance issues of chain-based damping.

A 90° worm-to-worm transmission removes follow focus backlash, keeping handwheel and focus gear rotation synchronized and smooth.

By mounting the pressure circuit block on a partition wall, this DCT layout enables shift actuation without enlarging the transmission case.

A tuned gear mesh stiffness range helps aircraft fan gearboxes absorb misalignment errors while improving load sharing, wear evenness, and reliability.

A spaced dual-bearing layout with a pressing member stabilizes the sun gear, preventing rattle and rotational shake in planetary reduction.

Offset mounting on a common hydraulic plate integrates fuel equipment and fluid channels to cut turbomachine bulk, weight, and part count.

Selectable bevel gears and a locking carrier give heavy-vehicle differentials two torque ratios plus traction on low-grip surfaces.

An oil passage through the differential cover feeds side gears without a seal ring, reducing leakage risk, cover bulk, and machining cost.

Double helical sun and planet gears with axially spaced ring gears raise gearbox power capacity and reduce torque fluctuation in aircraft propulsion.

Pre-aligned casing sections, ring gears, and planet gear assemblies cut gearbox assembly time and complexity while preserving torque distribution.

A parallel crawler shaft adds forward and reverse crawler gears within the existing housing, expanding ratios without longer or weaker shafts.

Simultaneous discharge from multiple pneumatic actuators flushes transmission vent openings, preventing oil and dirt clogging while maintaining pressure control.

Simultaneous axial and rotational control engages or disengages wind turbine helical gears precisely, reducing damage during maintenance.

Radial joining between the shaft and carrier side plate simplifies welding head motion, cutting cycle time and tooling cost.

During hard acceleration, controlled oil transfer between a reservoir and gearbox cuts churning losses and preserves EV power transfer efficiency.

Pre-aligned ring gears and planet gear assemblies simplify reduction gearbox assembly while preserving precise meshing and torque distribution.

Dual reservoirs, gravity gutters, and a deflector ramp improve passive reducer lubrication when shafts obstruct oil rise.

An inclined rack housing end delays rack bar corner contact during warping, spreading stress to prevent damage and locking.

An elastic damping member between the oil pan and mounting plate suppresses 500-900 Hz transmission resonance without losing steel pan strength.

An electric ball-screw steering gear replaces hydraulic assist to cut engine load, reduce parts, and distribute worm-wheel pressure for better feel.

Planar spline coupling links the sun shaft and planet carrier directly, cutting gearbox space, material use, and production cost.

Monitored heating of gearbox liquid and housing limits thermal mismatch, preventing gear jamming, tooth noise, and torque loss.

Separate high-performance teeth are interference-fitted into a grooved shaft to cut gear cost while preserving strength and manufacturability.

Defined planet carrier stiffness ranges help an aircraft epicyclic gearbox maintain alignment, share load evenly, and reduce distortion risk.

Using high-strength teeth press-fit into a lower-cost shaft cuts gear weight and cost while maintaining positional stability.

A clip-retained windage cover shields ring gear fasteners from centrifuged lubricant, reducing shear losses without added cover fasteners.

A radial clearance at the housing edge relieves axial force on a bonded mounting part while preserving centering and positioning accuracy.

A recessed lid groove nests a larger electric oil pump inside existing CVT boundaries, improving layout efficiency without extending case length.

A co-rotating discharge and receiving transfer path lubricates multiple planetary stages with lower leakage, less routing complexity, and no extra bores.

Fold-over deformation tabs secure a power steering cover without machined grooves, enabling visual inspection and lower casing cost.

A tapered worm shaft keeps the gear bottom land outward to suppress burrs, cut rework, and preserve gear engagement in reducers.

Carbon-fibre skeleton parts and plastic sealing covers cut transmission housing weight while maintaining strength, thermal stability, and lubricant sealing.