Mechanical Steering Gears TRIZ Cases

Multiple independent sensor-circuit board pairs detect motor shaft rotation to resolve the reliability versus complexity trade-off in vehicle steering systems.

Rotatable spider adjusts torsion spring torque to match rack bar wear without replacing the spring.

A clearance compensator uses an elastic member and pressurizing unit to maintain yoke body pressure on a rack bar.

A power steering system adjusts motor current to counteract unintended torque transmission from ground engaging members.

A hollow motor AFS system uses an elastic carrier to bind planet gears and maintain proper meshing.

An adjusting sleeve press-fitted into a worm shaft opening sets axial preloading force via a spring element.

Elastically deformable fixation devices enable limited relative rotation between pinions and primary gears, ensuring even load distribution across cog flanks.

Direct electromagnetic actuation replaces mechanical gears to eliminate backlash, improving steered angle estimation accuracy.

A processor estimates rack force and actuator health to calculate maximum achievable steering angle, velocity, and acceleration.

A dual-pinion steering device uses a low-rigidity pressing member to absorb rack shaft misalignment.

A power steering actuator receives controlled energization during startup to enable component health checks without generating assist torque.

Segmented rack bushes with an elastic member distribute loads to prevent abrasion and maintain resilience under heavy use.

An eccentric ring with damping means reduces shocks and noise in rack-and-pinion steering by absorbing mechanical energy through asymmetric compression.

Segmented ovoid steering casing halves joined by friction welding to create a rigid central section with constant internal diameter.

Merging rack and slider shaft into one unit reduces steering effort while maintaining motion conversion efficiency.

Restricting portions in the fitting structure support axial loads, preventing seal deterioration caused by external forces.

Merging separate casings into a single thermoplastic shell reduces assembly complexity and eliminates galvanic corrosion risks.

Merging padding into ineffective rack teeth reduces axial length while maintaining manufacturing precision and structural strength.

A worm gear and spur gear arrangement driven by a motor detects angular positions to calculate absolute handwheel location.

Dynamic torque control using angular speed and acceleration parameters reduces end-of-travel shocks while protecting the electric motor from overheating.

Root interference portions on rack guide plugs enhance holding force without clinching, simplifying manufacturing.

A rotary actuator induces periodic steering inputs to measure torque spikes for stiction detection.

A modular power steering apparatus uses universal drive stations to accept interchangeable rotational input assemblies for adaptable vehicle operation.

A steering clutch couples input and output shafts via torsion springs to provide mechanical force feedback.

Segmented elastic elements separate axial preload from circumferential adjustment, enabling precise wear compensation without rattle noise.

A steering column collapse limiter uses a cam portion to bias a blocking portion out of the first jacket path.

Anti-rotation mechanism with a yoke, bearing journal, and running plate structure resists ball screw rotation.

A gear measurement apparatus uses a ball to trace tooth grooves, enabling point contact with curved surfaces.

A fiber-reinforced composite plate chassis uses V-notch folds to reduce vehicle weight by a third while maintaining structural robustness.

Varying rounded corner radii redistribute forging stress to prevent die cracking while maintaining steering force transmission efficiency.

A vehicle control system computes a traveling route to maintain the distance between the user and the vehicle.

Frictional engagement between the holding member and rack guide eliminates snap ring assembly steps, reducing steering system man-hours.

EPS controller determines steering rack center point via angle sensors, resolving manual configuration errors and improving measurement precision.

A composite rack guide combines a metal plate with a resin base body to reduce sliding friction while maintaining mechanical strength against impact loads.

An elastomer damping element within the thrust piece eliminates rattling noises and friction wear in toothed-rack steering gears.

Dummy teeth redirect material flow to ensure consistent strength and steering force transmission efficiency at rack bar end portions.

Dual motors drive a ball nut assembly and pinion to move the steering member axially.

An intermediate shaft piece connects the pinion shaft and torsion bar in an electromechanical steering system to enable component standardization.

A hybrid steering casing combines a U-shaped metallic reinforcing element with a polyamide plastic mass to create a rigid, corrosion-resistant structure.

Grooved elastic member prevents buckling during compression, increasing deformation stroke and energy absorption capacity.

Frictional engagement between the holding and blocking members eliminates snap rings, reducing assembly time while absorbing dimensional errors.

A steering system clutch mechanism housed within the housing structure couples and decouples shafts.

An asymmetric pressure piece offsets a toothed rack to improve pinion meshing quality, eliminating backlash noise in motor vehicle steering systems.

Increasing rack tooth superelevation toward axial ends reduces backlash and rattling noise without causing binding.

Rear positioning of the transmission pinion relative to the steering rod frees forward space, enabling larger powertrain accommodation within the engine bay.

Inclined elastic support ring creates tilting moment to eliminate play between pressure piece and housing, reducing rattling noise.

A motor control device computes absolute rotation angles using a computation circuit that combines relative and absolute sensor data.

Standardized rack protrusions with through-holes enable universal manipulator coupling, reducing assembly time and accident risks.

Heating the thermoplastic hub allows material to penetrate casing cavities, replacing glue curing delays with immediate mechanical interlocking.