Understructures TRIZ Cases

Detachable chair sections and foldable frame elements let this rollator switch to wheelchair mode while keeping weight low and walking space clear.

Overlapping hinge profiles keep gaps under 5 mm, enabling 180-degree stroller folding while avoiding bulky finger-trap-prone joints.

An enclosed brake housing and self-adjusting brake rod make this foldable walker safer, more compact, and easier to manufacture.

A pinion-driven adjustment arm and vibration levers simplify seat height and position changes while lowering under-frame complexity and cost.

A foldable seat attachment adds a second stroller seat when needed, preserving maneuverability, storage access, and single-stroller use.

Removable transformer assemblies and staggered zone charging simplify cart rewiring while preventing power-strip overloads.

A motor-driven wheel that lowers into floor contact helps move heavy hospital beds with less strain and lower injury risk for caregivers.

A rear-mounted crash strut behind the cooling module absorbs frontal impact energy to limit intrusion into high-voltage components.

Positioning hydrogen tanks between the cab and engine room increases storage capacity while lowering ignition risk and preserving service access.

A double-rib internal reinforcement helps plastic vehicle tanks resist axial, bending, and torsional loads while avoiding bulky supports.

Side and inner reinforcing plates restrain beam sidewall bulging under impact, enabling stable energy absorption with lower weight.

A rigid arch shield with a controlled-deformation section spreads rear-impact loads to protect hybrid vehicle fuel tanks without heavier tank reinforcement.

Flexible clamping structures secure internal reinforcements in plastic fuel tanks while adapting to shrinkage, pressure, and aging.

A lower arm and restraint structure replaces conventional shock absorbers, cutting part count, weight, friction, and suspension packaging space.

Visible tank segments are paintable while concealed sections stay unpainted, cutting weight and cost while keeping a high-quality finish.

Integrated airflow passages, insulation covers, and an instrument-shield inlet improve ATV engine and gearbox cooling while reducing noise.

An integrated stepped cavity locks the support flange in place, boosting fuel tank stiffness while avoiding slow, movement-sensitive welding.

Angled trailer rub rails resist denting and tearing while integrating flat-hook anchor points for stronger, more secure cargo restraint.

A segmented lower member, bumper beam, and upper member create crash-box load paths in tight front-end space to absorb frontal collision energy.

A single corrugated linking plate replaces multiple front corner members to improve crash rigidity, simplify assembly, and free space for accessories.

A raised bar and tensioned cable reinforce a pillarless vehicle door opening during impacts while keeping entry space open in normal use.

Optical scattering and Raman analysis detect fuel tank contaminants in real time, identifying their type and location without destructive sampling.

Phase-change heat storage absorbs fuel heat so a smaller bladder can control vapor pressure without sacrificing tank capacity.

A dual-drive electric fire truck keeps familiar controls while integrating battery power and simplified cable routing between the frame rails.

A spaced coating part with electrodeposition paint boosts axial-crush buckling strength, prevents fracture, and adds vibration damping.

A sliding link mechanism lets the vehicle fold for stacked shipping and unfold for travel, cutting destination assembly work and transport cost.

Integrated fluid channels inside a front box structural member save EV packaging space, simplify installation, and reduce rigid tubing.

By stacking the air guide panel above the stabilizer, this layout shortens the front body, improves turning, and supports a lower center of gravity.

A side sill bracket links the outer sill and reinforcement member to transfer crash energy, limit rotation deformation, and preserve occupant space.

Stopper ribs limit nozzle depth so the intake hole stays clear of liquid fuel, preserving automatic shutoff during refueling.

Spherical bearings at cab support connections absorb frame twist on uneven ground, preserving cab support strength without adding vehicle weight.

Raised cross-member midsections create more tank space in an RV chassis while preserving structural integrity and reducing refill frequency.

A two-section spring hanger with distributed fasteners increases trailer frame stiffness and strength while reducing cracking risk.

Diagonal brackets let a vehicle cooling module mount in a tilted position, improving airflow while helping the front frame distribute crash energy.

A U-shaped axle bridge links control arms to free electric drive space while preserving wheel guidance, force distribution, and ride comfort.

A fixed front bumper with selectable mounting bases lets dump trucks swap radiators or pantograph supports while preserving lifting-load joint strength.

An undulating cast deformation body enables progressive bending and fold interlocking to absorb crash energy with low weight and efficient assembly.

An electrodeposition coating in a controlled gap boosts crash tube buckling strength, prevents fracture, and adds vibration damping.

Sensors and onboard computing distinguish DEF from FSII in refueling tanks, triggering alarms or shut-offs before jet fuel contamination.