Differential Gearings TRIZ Cases

Two spaced supports and a cavity join the ring gear to the differential case, resisting thrust-load tilt without adding weight.

Mounting the bearing on the actuating device redirects clutch forces away from the housing, cutting deformation while keeping torque control precise.

An integrated cap clutch uses cam action and clutch teeth to lock differential motion while keeping a helical LSD compact and strong.

Multiple preloaded friction clutches create a torque bias ratio that rises with load, improving differential torque distribution under varying conditions.

By extending ring gear teeth inward over fastener holes, this case boosts differential torque capacity without increasing axle housing space.

A one-piece planet carrier with radial web supports and pin pass-through improves dual-plane gear support, torque transfer, and compactness.

A snap-fit spacer supports the image-forming gear, restricting axial and rotational movement while reducing sink marks, abrasion, and noise.

A drive torque distribution apparatus uses a rotary electric machine to generate torque differences between rotors for adjusting shaft speeds.

Strengthening protrusions on the coverpan distribute stress to resolve fatigue life limitations in banjo beam axle assemblies.

A differential lock control unit detects rotational speed differences between drive wheels before engagement.

Dual planetary gearsets with friction holding members enable on-the-fly low ratio engagement, eliminating gear binding during rock crawling maneuvers.

Trigger circuit extends power to differential speed controllers via relay activation, preventing wheel rotation on slopes after vehicle shutdown.

An elastomeric cross pin retainer eliminates costly machining by elastically deforming to secure the pin within the differential housing.

Replacing toothed wheels with rolling bearings in a rhomb differential reduces sliding friction, preventing overheating and lowering maintenance requirements.

A limited slip differential control system applies load based on accelerator position to prevent wheel spin.

Segmented center driver enables direct c-clip access, reducing assembly complexity and unit costs.

A lockout mechanism inhibits flyweight stop surface extension to prevent unintended clutch engagement during straight-ahead driving.

A vehicle locking differential control system uses a coil to engage or disengage the mechanism based on motion state.

An integrated shiftable torque transmission device disconnects load-dependent losses by shifting the torque region relative to differential cage bearings.

Helical face gears with hardened surfaces improve torque capacity while a floating pinion housing manages axial positioning.

Electromagnetic system replaces mechanical linkages to improve power distribution while reducing weight and manufacturing cost.

Removing the spider component and mounting pinion gears to the case prevents pin fracture while reducing assembly complexity.

A multiple planetary gear assembly with a limited slip transmission system manages wheel speed differentials for zero turn riding mowers.

A single leaf spring couples satellite gears in a differential assembly to maintain optimal meshing and compensate for positional clearance.

Mixed internal and external output shaft toothing reduces differential outer diameter, freeing installation space in tight motor vehicle transmissions.

Integrating a planetary gear set into the coupler eliminates the separate differential, reducing space occupied by the second wheel axle assembly.

An adjustable preload mechanism in a helical differential assembly varies spring compression to optimize torque distribution consistency across driven wheels.

Replacing ball screw transmission with direct motor drive and differential gear clamps both disc surfaces simultaneously, improving power efficiency.

Segmented planetary gears in a parallel axis epicyclic differential distribute forces to resolve the trade-off between compact size and gear strength.

A planetary differential device uses a thermally formed receiving housing to enable component installation without post-installation welding.

A two-speed disconnecting driveline uses a mode clutch to selectively decouple the secondary drivetrain from the primary power path.

Adjustable coupling mechanism with biasing member compensates for manufacturing variances to ensure consistent torque distribution across driven wheels.

Parallel flat surfaces on the container housing eliminate die displacement errors, enabling high-precision machining without reinforcing ribs.

A differential gear housing joins parts via a peripheral radial weld seam to eliminate complex bolt fixation and reduce production costs.

An electronically controlled center coupling apparatus modulates torque transfer between front and rear axles to enhance lateral dynamics.

Ferrous target modulates magnetic field to detect actuator mode, reducing sensitivity to runout and external interference.

A drivetrain system with a power switching mechanism selectively transmits rotary power between primary and secondary drivelines.

Segmenting the force transmission path prevents vibration from reaching the friction surface, resolving trade-offs between restricting stability and axial size.

Axial plate separation reduces drag torque while maintaining high torque capacity in disconnected all-wheel drive systems.

Downward stair-shaped storage positions the annular spring radially inward to reduce surface pressure and prevent scratches on clutch plates.

A magnetic coil generates flux to retard sprocket rotation, engaging a clutch pack within the differential assembly.

A tandem axle inter-axle drive uses bevel gears and a clutch to optimize joint angles between front and rear axles.

Segmented locking elements secure the differential case to prevent gear rubbing and premature damage.

A thin-walled cover placed radially between the planetary carrier and sun wheel acts as a reinforcement.

Liquid hydrogen drives a turbine generator to supply electric power to electromechanical actuators, replacing heavy batteries in launch vehicles.

A wedge clutch mechanism radially expands to lock a differential side gear and hub, enabling torque transmission between rotating components.

Asymmetric side gear teeth with distinct pressure angles manage torque distribution in limited slip differentials.

Near 1:1 gear ratios with overrunning clutches eliminate axle scrubbing during turns, reducing tire wear and steering effort while maintaining traction.