Vehicle Sub-Unit Features TRIZ Cases

An elastic shaft pressing part compresses a worm shaft unit toward a mating gear, reducing rattle noise while preserving smooth steering feel.

Segmented flexible ribs compensate for manufacturing variations in vehicle door frames, reducing noise generation through precise contact.

A proportional flow control valve mediates fluid transfer between hydraulic accumulators and the circuit to enable smooth connection operations.

A dual-motor electric power steering apparatus disconnects a malfunctioning motor from the worm shaft to maintain smooth rotation.

Segmented air guide walls detach via fracture zones to prevent impact damage to vehicle heat exchangers.

An attachable device switches four-wheel drive tow vehicles to two-wheel drive low range mode via electronic control.

A fuel cell cooling control system calculates thermal energy change to adjust pump speed and valve opening for precise temperature regulation.

Segmented grommet structure reflects noise via tapered surfaces and dissipates energy through resonance, eliminating filler materials.

A hybrid supercharger assembly uses an electric motor-generator to adjust boost pressure independently of engine speed.

Staged clutch engagement pre-accelerates the connecting shaft, reducing switching time and energy loss during transitions between operating states.

Controller detects clutch slip via wheel speed feedback to prevent torque loss and protect drivetrain components.

A front-end motor-generator system uses a switchable coupling to drive engine accessories independently of the crankshaft.

A sensor integration module synchronizes detection data from multiple sensors with different periods and formats.

A freewheeling system disengages tandem axle wheels from the drive train using a spring-loaded sleeve mechanism.

A vehicle active damper uses a magnetorheological elastomer to adjust its elastic modulus based on magnetic field strength.

ESC module overrides static EPB profiles with dynamic deceleration to prevent collisions when predefined braking force proves insufficient.

Corrected distance profiles smooth trajectory fluctuations to prevent unsteady braking, ensuring reliable brake system activation.

Parallel communication passages equalize oil levels between reservoirs, reducing agitation resistance caused by centrifugal force during vehicle turns.

A half-mirror outside mirror displays virtual lane markings detected by a side-view camera.

A driver assistance system determines adaptive reaction times by correlating vehicle behavior with driver activity.

Recessing the spring support surface into the gearwheel body minimizes axial volume while preserving force, resolving miniaturization trade-offs.

Segmented piston protrusions engage a perforated disc to prevent helical spring blocking, ensuring precise brake fluid displacement control.

Axis transfer gearing moves the generator off the engine axis, reducing axial length and passenger compartment intrusion risk during collisions.

Pressure manipulation prevents nitrogen buildup in the anode when the bleed valve fails, sustaining hydrogen concentration and power output.

System prevents sudden acceleration by comparing pedal signals against brake ranges, maintaining power for legitimate driver inputs.

Housing the connecting mechanism inside the shaft cover eliminates dedicated differential housings and reduces structural complexity.

A vehicle health measurement system uses an IoT device and controller to scan driver conditions.

A virtual driving lane generation method extracts feature information from nearby vehicles to produce auxiliary lane data for host vehicle navigation.

A fuel tank with two separate reservoirs uses centrifugal force to move liquid from a secondary unit to the primary pump intake.

An adjustable exhaust valve switches between two muffler paths to lower cabin sound levels.

A camera mounting trim uses a dished support structure to secure functional components against vehicle bodywork elements.

A differential-free balancing unit regulates clutch pressure via a single manipulated parameter to distribute torque between driven wheels.

Removing a flat thrust washer between the clutch housing and hub eliminates noise, leakage, and fabrication costs while enhancing torsional engagement.

Segmenting the bearing closure member into a rigid frame and flexible air guide eliminates interstices, directing all airflow through heat exchangers.

A power transfer unit employs a shiftable locking member to couple drive shafts and distribute torque.

A multi-disconnect driveline system manages power transmission through selective clutch engagement.

A wheel speed calculation method uses pulse clock timing to determine velocity from electrical pulses.

A wheel speed sensor power line carries brake pad wear signals to the electronic control unit.

Segmented sensor checks filter environmental alcohol sources before blood alcohol measurement, reducing false positives from perfumes and sanitizers.

A controller estimates vehicle slope angle by extracting extremal values from acceleration sensor output signals when the vehicle is stationary.

A fuel pump unit employs a protective protrusion that contacts the tank bottom first, preventing float deformation and ensuring reliable fuel level detection.

A cast metal front axle frame supports heavy loads without welding.

An intermediary moving body amplifies small displacements in a shift lever, resolving accuracy issues across multiple operating directions.

Axle disconnect assembly synchronizes input and axle shaft speeds via a cone mechanism, minimizing parasitic losses during two-wheel drive operation.

A supplemental hydraulic motor powers a continuously variable transmission output shaft to amplify torque.

Hooks on a protective body pierce the vehicle firewall during impacts, absorbing force and preventing fuel component damage.

Electronic steering column lock prevents unsafe wheel rotation when vehicle wheels hit obstacles.

Segmented front unit uses aluminum members and steel crossmembers to absorb impact energy, preventing fuel tank deformation during frontal collisions.

A fuel tank stiffening assembly connects spaced wall portions via a tubular body and flexible couplers to limit relative movement.