Understructures TRIZ Cases

A weakened connection lets the suspension subframe disengage under severe front impact, limiting cabin deformation without adding vehicle weight.

Compressed-air lift bags and pivoting lift arms stabilize cargo container lifting, reduce chassis stress, and speed loading and unloading.

A pendulum-actuated piston and flow reducer limit fuel leakage during braking, turns, and descents while keeping the tank vented.

An inverted U-shaped wheel housing reinforcement strengthens the rear quarter-package tray connection and improves body torsional rigidity.

A vertically laminated underbody replaces front-rear unit joints to avoid recoupling tolerance issues and improve bending and torsional strength.

A one-piece FRP or CFRP trailer frame replaces corrosion-prone metal members and fasteners to extend boat trailer life in saltwater use.

A one-piece connection member links the front pillar, side sill, and rear lower member to prevent separation and spread crash loads more evenly.

Interior air is routed through underfloor intake and discharge ducts to cool EV battery modules while preserving cabin space and limiting moisture risk.

A self-contained support wall boosts vehicle torsional rigidity while keeping weight low and preserving service access through localized openings.

Variable-height cross members create protected chassis space for taller fluid vessels, increasing onboard storage and extending RV use time.

Varying inner and outer bead depths helps a front side member absorb impact energy and support crash loads in small overlap collisions.

An arched brace and pivot tube spread front-wheel loads across four frame mounts, improving three-wheel stability and steering contact.

A one-piece pressure tank holder uses reinforcing beams and shaped receptacles to secure containers, absorb impact, and help prevent leakage.

A break-away lower control arm mount releases the pin under crash load to redirect the wheel and reduce occupant-compartment intrusion.

A multi-cell extruded front subframe absorbs pole-impact forces in EVs, improving crash protection without adding excessive weight.

Stepwise side sill deformation absorbs front-wheel collision loads while guiding the wheel outward to limit inward recession.

A two-part fixation and base structure simplifies engine cradle manufacturing while reducing weight and expanding material and shape options.

An angled hollow wheel-well deflector plastically deforms to push the wheel outward and limit occupant compartment intrusion in small overlap crashes.

Closed-section outriggers and reinforce units improve commercial vehicle body rigidity, load distribution, and ride comfort with independent suspension.

An overlapping impactor and crushing member absorb side-collision loads while limiting pillar deformation and cabin intrusion.

A steel beam, foamed polymer absorber, and outer skin spread obstacle point loads to improve vehicle side protection and surface finish.

A closed-section tubular reinforcement around the trailing arm mount boosts rigidity and suppresses deformation without extra members.

A captive locking tab guided between multiple securing positions speeds loading of elongated equipment and prevents accidental slip-out.

A controlled softening layer in frame corners improves crash deformation and energy absorption while preserving load resistance.

A deforming forward bracket pushes the fuel inlet box outward in rear collisions, reducing inlet damage and fuel leak risk.

Stacked upper and lower plates keep the securing bolt low while preserving tow saddle strength and reducing undercarriage contact risk.

A partitioned filler neck separates air intake and vapor venting to stop premature fuel gun shut-off and allow full tank filling in hot conditions.

Upper truss members and a sliding roof joint simplify vehicle body assembly while preserving rigidity and impact absorption for in-wheel systems.

Foam-filled interlocking frame members create an internal bearing that redistributes loads and reduces joint stress in RV panels under vibration and shock.

Co-injection molded tank shells combine tight fuel containment with grippy surfaces and integrated crash elements for visible motorcycle tanks.

Separate internal brackets in a blow molded fuel tank limit thermoplastic swelling, preserve fuel volume, and reduce sloshing noise.

By spacing connected tank bodies apart, this case creates usable vehicle packaging space for pumps, control units, and vapor devices.

Bracket mounting points straddle the damper-axis line to spread stress, reinforce the suspension tower, and avoid added weight.

A telescopic longitudinal beam and swiveling adapter let wind blade trailers shorten for tight curves without crane-assisted maneuvers.

A flange stop structure limits vertical collapse in a fuel tank, dispersing stress to protect the cover member from deformation.

A retrofit frame and box enclosure protects luxury vehicles from weather and debris while preserving low-angle flatbed loading.

Separate upper and lower fuel tanks with individual float sensors improve fuel level accuracy on inclined work vehicles without losing capacity.

An internal welding flange increases front side upper member height and spreads collision loads to improve crash energy dispersion.

An offset filler port and visible level gauge make fuel filling easier in work-machine engines while reducing overflow risk.

Overlapping battery and air-conditioning ducts deform together in side collisions to absorb impact energy and protect the vehicle battery.

Upward shock absorber housing projections free body space for in-wheel systems while improving rigidity, impact absorption, and assembly efficiency.

A universal chassis and suspension platform supports multiple lightweight vehicle layouts while keeping a consistent footprint for manufacturing and shipping.

Radially aligned hydrofoil fins block siphoning tubes while cutting pressure drop, fuel backflow, and refueling delay in filler pipes.

A crossmember-inserted towing hook uses widthwise bolt holes to spread towing loads, strengthen attachment, and avoid nearby component interference.

Pivoting front and sliding rear body sections let a compact vehicle expand for passengers while improving entry, maneuverability, and energy use.

A bolt-on sub-frame and rear suspension kit adds a third axle to raise payload capacity without major chassis or driveline redesign.

A three-panel aluminum bulkhead and curved floor improve dump trailer durability, aerodynamics, and stability during bulk unloading.