Differential Gearings TRIZ Cases

An under-drive arrangement segments gear reduction into two stages, lowering bearing rotational speed to cut parasitic power losses in tandem axle systems.

A power transmission system distributes engine energy to multiple propellers via specialized gearboxes.

Segmenting the differential into modular assemblies reduces manufacturing complexity while enabling seamless terrain adaptation.

Integrating a brake mechanism into planetary gear reaction elements reduces unsprung load and vehicle vibration while maintaining precise torque split ratios.

Planetary differential enables independent wheel speed control in tandem axles, eliminating mechanical constraints and reducing power loss.

Integrating a power transfer ring gear with the differential carrier reduces packaging volume and parasitic losses in all-wheel drive systems.

A single-piece differential carrier housing integrates coaxial supporting devices to simplify assembly logistics.

Window segments in the planet carrier accommodate revolving planet pairs, reducing axial installation space while maintaining kinematic rigidity.

Annular engaging member unloads differential side gear disc pack to eliminate chatter noise in unlocked mode.

Rounded parts disperse stress at the differential case flange base, mitigating concentration without increasing weight or cost.

A nested planetary gear arrangement transmits power at non-parallel axes while minimizing tool height for compact space usage.

Axle assembly groove accommodates a ductile sealant to fill mating surface gaps caused by deformation forces.

Metal matrix composite axle carrier matches gear carrier thermal expansion, eliminating bearing pre-load and improving mechanical efficiency.

Integrating the lock-out mechanism with the reaction block eliminates complex case-mounting operations and reduces production costs.

Integrating the pinion carrier with the ring gear eliminates the differential case, reducing axle direction dimension while maintaining differential function.

A modular power transfer unit shifts drive modes using integrated mode selection and range selection assemblies.

An open aperture design replaces blind holes to improve piloting accuracy while reducing manufacturing complexity and enhancing heat exchange.

A magnetically latching two-position actuator uses electromagnetic pulses and permanent magnets to move a core assembly between drive modes.

A differential device input member joins a cover portion via welding and press-fitting to enhance assembly precision.

A gear mechanism with a torque adjuster reduces rotational play and ensures accurate automatic drive operations.

Flow-formed metal construction eliminates cross pins and filler wire, reducing weight and assembly complexity while maintaining structural integrity.

Segmenting the differential and transmission stages reduces assembly complexity while maintaining variable torque distribution capability.

A split roll cage clutch prevents reverse engagement by using a friction disk drag mechanism to index rollers, accommodating manufacturing tolerances.

Circular arc gear rods with springy pressing mechanisms eliminate relative movement between gears and transmission components in motorcar mirror adjustment devices.

Stationary armatures eliminate rotating sensor wear and parasitic friction in electronically actuated locking differentials.

An electromagnetic coupler locks the differential to ensure uniform torque transmission on low-friction surfaces.

A vehicle left-right wheel drive force distribution control apparatus adjusts transient control gains based on steering speed.

A differential gear mechanism uses spline connections between segmented sun gear portions to generate axial thrust forces.

A differential clutch pack uses a ball ramp driven by a DC motor to compress friction plates for torque coupling.

A differential assembly uses link shafts with non-linear bend portions to support pinion gears between first and second gears.

A planetary carrier gear holding portion includes supporting surfaces that slidably support tooth tip surfaces of planetary gears.

Integrating the connecting element inside the drive wheel reduces weight and space while allowing pre-assembly oil filling.

Retainer structures on pinion washers prevent axial shaft displacement, eliminating the need for thick differential casings required by traditional fixing pins.

Angled welding seam joins steel crown wheel to cast iron housing, enabling ultrasound inspection while minimizing tensile loads on the joint.

An axle drive system uses a non-unity intermediate gear ratio to distribute stress across gear teeth and prevent constant meshing.

Segmenting the driveline with a single clutch allows the auxiliary shaft to rest, reducing power loss while maintaining asymmetric torque distribution.

A removable mounting member attaches to a differential carrier to house bearing and lock assembly openings, reducing the number of casting cores required.

Spiral fit parts generate axial force to switch clutch states, eliminating chattering during low-speed cornering.

Dynamic LSD torque adjustment based on vehicle speed and steering angle prevents tight corner braking while maintaining slip prevention capability.

A sensor assembly uses a biasing member to limit axial movement of the pressure plate and maintain precise position detection.

Radially oriented vent grooves in driveline weld interfaces channel expanding gases away from the joint zone, preventing gas pressure disruption during welding.

Strategic degassing passage placement in differential case flanges reduces stress concentration around weld joints.

Integrated differential case sleeves fitted into bearing bosses with retainers for secure mounting.

Segmenting the differential housing into distinct functional portions isolates pinion support from torque transmission, preventing joint wear under high loads.

A differential gear system uses a reciprocating fluid actuator to vary stiffness between bevel gears.

Offset pinion shaft relief enables equal axle lengths, eliminating torque imbalance and assembly complexity.

A locking differential uses a solenoid actuator to control torque distribution between drive shafts.

An inductive sensor detects differential locking gear position via magnetic coupling, eliminating mechanical wear and reducing system complexity.

Tapered output gear hubs engage chamfered openings to bias torque distribution, preventing vehicle immobilization when one tire slips on low-traction surfaces.