Gearboxes TRIZ Cases

Compressed air oil mist lubricates boring tools, blowing chips through drainage holes to eliminate flood cooling waste.

Axially overlapping offset bores with press fit pins eliminate radial play and twisting noise without deforming the transmission housing.

Nested concentric gears and PEEK rings reduce protrusion and noise in wearable motion assistance devices.

Segmented tapering channel routes oil to reservoir, reducing parasitic losses while maintaining structural integrity.

Dual planetary gear sets enable high torque transfer in a compact electric drive axle, solving space constraints for vehicle integration.

Electric intake and exhaust fans cool a V-belt continuously variable transmission independent of pulley rotation.

Integrated baffle plate oil passages route pump discharge directly to lubrication sites, eliminating bypass pipes that cause pressure loss.

Extracting the air inlet from the body panel lowers manufacturing costs while maintaining effective CVT cooling.

A sleeve and bushing arrangement supports the pump drive gear to reduce clearance and misalignment between the torque converter hub and the drive gear.

A baffle separates the housing into chambers with fluid communication paths that channel ambient air across pulleys, reducing heat stress on rubber belts.

A bearing adjuster sets preload through a lubricant bore in the axle cover.

Inverting fixing locations prevents vibration transmission to matching surfaces, suppressing deformation and improving sealing reliability.

A scavenging pump recirculates pooled electric motor coolant from the bell housing to the transmission sump.

A labyrinth passageway in a vehicle differential housing redirects lubricant mist and splashes back into the interior.

A segmented torque tube design enhances interference fit rigidity through precise radial positioning of the barrel portion relative to the ring gear mating surface.

A breather vent assembly channels fluid vapor through a tortuous path to induce condensation within the vent structure.

An elastic bearing bracket with angled limbs absorbs axial loads on a worm member, preventing wedging between the worm and wheel.

Journal bearings provide stiff coupling between the pylon assembly and pedestals to manage dynamic loads.

An assembly guide aligns with a carrier bore to insert gears, reducing misalignment and wear during planetary gear train assembly.

Radial expansion of tubular stiffeners creates a mechanical shoulder lock within hollow axle beams, resolving assembly complexity and weight trade-offs.

Reinforcement sealing tubes secure transmission housings in oil feed holes, preventing movement and leakage to maintain hydraulic circuit integrity.

An electric drive assembly reduces axial installation space by nesting a controllable clutch mechanism within the bearing seats of a power splitting unit.

A ring gear cup isolates vibrations between planetary gears and the housing to enhance acoustic quietness.

Control logic delays abnormality checks until stop time exceeds thresholds, resolving temperature discrepancies between sensors and suction parts.

Merging the motor housing with the gear housing eliminates a separate cover, reducing part count while maintaining sealing integrity and assembly flexibility.

Shift lever extends into oil pan below crankcase frame to resolve spatial conflict between reliability and layout flexibility.

A gear motor housing uses a segmented flange design to create a stable, oil-tight connection between the electric motor and the gear unit.

Segmented oil lines deliver pressurized lubricant to transfer and differential bearings, ensuring durability despite insufficient splash coverage.

Segmented stamped trough conveys oil upward via centrifugal force, reducing splashing losses while maintaining structural stability.

A gear drive housing assembly replaces metal fasteners with polymer adhesive bonding to eliminate corrosion crevices and simplify cleaning.

An internal groove in a flexible gear lowers wave generator reaction force by reducing stress concentration while maintaining root strength.

Separate oil lines convey toothing and bearing lubricating oils to an external receptacle, eliminating internal return chambers and hydraulic shut-off flaps.

A dual drive gearbox uses independent electric machine routes to maintain continuous power output during gear shifts.

Cone surfaces on planetary carrier areas interact with a tensioning appliance to apply axial pre-stress forces.

A working machine uses a speed increaser to boost front tool rotation.

A planetary gear transmission uses a single thrust bearing to support axial loads on the pivot shaft.