Understructures TRIZ Cases

An intelligent fuel gauge processes sensor data to predict remaining range.

A link unit with a linear driver and connection link folds vehicle components inward.

Segmented fusible links detach the front fender to reduce structural stress and pedestrian injury risk.

A front vehicle body reinforcing structure connects the fender apron and side member via a sub-frame mounting component to form a rigid spatial framework.

A wheel house lower member uses a depression and elongated hole to induce controlled buckling deformation during frontal collisions.

A box profile holding element encloses a vehicle frame profile to fasten seats, preventing water ingress and corrosion from drilled holes.

Load transmission member contacts side frame outer surface during offset collision, stabilizing force distribution and preventing structural collapse.

Identical sheet metal brackets mount trailer crosspieces and underride bars using transversely extending wings, reducing part variety.

A vehicle framework joint member inserts into side members to create shear overlap and increase coupling rigidity.

A vehicle hood protection assembly uses a sliding member to constrain lateral movement.

Folded plate parts sandwich overlapping flanges in a front pillar outer, eliminating welding steps and reducing weight while maintaining collision resistance.

Plate reinforcement members overlap roof side rails to distribute collision loads as shearing forces.

Segmented end flanges on a U-beam draw beam enable independent fastening planes for stable mounting.

Angled force receiving member redirects longitudinal impact energy laterally to minimize rotational displacement during small overlap collisions.

Segmented panels with inclined flanges reduce vibration transmission and prevent water intrusion while improving welding accessibility.

Composite sealing layers with shape-changing structures absorb fuel and swell rapidly, resolving the contradiction between sealing effectiveness and time.

Adjustable shock tower braces reinforce vehicle body structures while accommodating different body variants.

Three body mounts in a triangular pattern reduce weight and complexity while maintaining strength and durability for unibody vehicles.

Offsetting the drive shaft allows the cushion unit to mount lower, reducing center of gravity while avoiding overlap.

Multiple locking pairs guide the dovetail into the housing to resolve vibration resistance and tolerance issues in tool-free attachment.

A pyrotechnically releasable connecting element severs the axle carrier link to enable controlled rearward displacement during impact.

A modular vehicle body structure uses bolted pipe components to simplify assembly and reduce manufacturing costs.

Segmented rear header uses a low-strength intermediate portion to absorb collision energy, reducing body deformation and preventing door interference.

Integrated partitions in a carbon fibre chassis cell resolve the trade-off between sturdiness and weight while simplifying manufacturing complexity.

Connecting members link suspension towers to dash cross members, dispersing load energy to reduce deflection deformation and improve vehicle body rigidity.

Adjustable connecting shoes combine modules with different ground clearances while maintaining structural rigidity.

Segmented members with varying plate thicknesses resolve the strength-weight contradiction in automobile front pillars.

Curved forward support plates on the front upper frame connection transfer dynamic loads while accommodating flexing in haul truck space frames.

A degassing pipe whistle opening triggers internal pressure increase to close the filling valve.

A detachable longitudinal beam connects vehicle cross members via plastic adapters to isolate vibrations and simplify crash repair.

Segmented support frames join lower and body frames to maintain precise alignment of suspension components despite positional shifts at the frame joint.

A contoured reinforcing bracket connects a vehicle sill structure to a floor panel, absorbing shearing forces during off-center impacts.

Direct rollover valve mounting on the support eliminates intake pipes, increasing fuel tank capacity without expanding vehicle size.

Non-vertical fastening elements establish beneficial force flows to resolve torsion resistance versus device complexity trade-offs.

A lift axle system uses air springs and control arms to adjust axle height based on vehicle load conditions.

A sheet metal intermediate piece connects outer and inner side rails, allowing the base width to adapt without increasing manufacturing complexity.

A second reinforcing member fixed to a first reinforcing member extends in the vehicle width direction to suppress rocker flange deformation.

Separating the vent line from the filling line allows air flow to force an indicator element, resolving fill level visibility issues behind vehicle components.

A vehicle cradle holding element positions spacers within shell openings to secure suspension components.

Pneumatic bladders lift underbody kits to avoid time-consuming manual tooling.

A hitting member breaks a lateral arm to separate the wheel from the vehicle body during impact.

An angular offset beam redirects off-center impact energy laterally, reducing load on critical components like the dash-wall and A-pillar.

A flanged reinforcing member increases subframe mount rigidity without adding vehicle weight or manufacturing costs.

Segmented frame design with isolating devices and torque rods reduces noise and vibration transmission to the operator cab.

Z-shaped frame breakage absorbs collision energy while restraining shear loads to reduce occupant deceleration.

Distinct suspension housing supports fix to the front frame at different vehicle width positions, distributing loads and restraining deformation.

Front chassis structure uses a set plate to support an impact absorber on a bulging pillar member.

One-piece rear floor body and C-ring crossbeam structure cast together for improved dynamic stiffness.

Replacing cast aluminum housings with integrated steel structures reduces weight and production costs while freeing construction space.

Nesting a calathiform flame arrestor inside the tank filler reduces contact area to suppress fuel splashing during ethanol refueling.