Understructures TRIZ Cases

A folding unit for a foldable vehicle uses sliding floors and a rotating cabin to minimize space occupation during parking.

Transverse extruded floor profiles with hollow chambers maintain structural rigidity while minimizing weight to protect batteries during side crashes.

A deployable service step structure stows under the vehicle body and swings down to provide safe access to a raised cab.

Dual compartments in a construction machine fuel tank enable gravity drainage from an undercarriage unit to a superstructure reservoir, ensuring consistent fuel access while providing an integrated step for easy operator refueling.

Left and right side frames incorporate staggered fragile portions with varying areas to achieve simultaneous deformation during vehicle collisions.

An Al-Si-Mg alloy composition achieves critical fracture strain exceeding 10% through optimized silicon and manganese levels.

Integrated baffle lugs eliminate external fasteners, reducing weight and simplifying commercial vehicle fuel tank assembly.

Vertical overlap between the bumper beam and shock absorbers creates space for air intake modules while maintaining energy absorption capacity.

Variable cross-section pillars absorb high-speed impact energy without compromising long-term aging resistance or mechanical strength.

Segmented diaphragms with a gravity occlusion element prevent fuel outflow while allowing air escape, reducing weight and cost.

An intermediary barrier wall prevents hydrogen tank detachment from striking the sensor, avoiding unsafe autonomous driving stops.

Adapter redirects crash forces into torque box, reducing passenger compartment risk.

Merged side and cross members into a unified composite assembly to resolve inconsistent rigidity from welded steel components.

An appendage with a convex face abuts the drain knob sidewall while a lateral projection engages the end face, preventing detachment under operational forces.

A modular multipurpose vehicle uses an operative arm assembly to carry interchangeable operational arrangements for diverse heavy-duty tasks.

A non-parallel bi-rectangular cellular beam with inner and outer tubes increases average crush force through segmented structural design.

Segmenting the support frame into separate chamber cavities maintains impact safety while optimizing acoustic resonance frequencies.

A trough-shaped fiber composite chassis structure replaces metal beams to lower vehicle mass while maintaining structural rigidity.

Direct rail-to-floor attachment centralizes batteries between rails, resolving side-impact protection complexity.

Telescopic trailer sections extend to hold 60-foot containers while maintaining structural integrity and regulatory compliance.

J-shaped side members and bent lower cross member distribute collision loads to protect the cooling module.

Integrated corner profiles on cast aluminum side rails merge structural elements, reducing manufacturing complexity while enhancing torsional rigidity.

Segmented connection members allow the cross member to pivot and slide under the floor, preventing powertrain drag and passenger compartment deformation.

A four rail front crush structure transmits frontal forces through diagonal support members to a torsional box.

Segmenting longitudinal beams into bolted solid and hollow profiles resolves welding stress contradictions while maintaining structural integrity.

A transmission circuit adjusts drive signal intensity based on propagation path length to maintain detection accuracy.

Bearing consoles on transverse subframe elements cluster load points, reducing installation space and weight for hybrid vehicle components.

A self-sealing liquid bladder uses compressed expanded Teflon FEP particles to rapidly plug punctures upon fuel exposure.

Thicker lower rear frame halves enable vertical bending, preventing contact with gasoline tanks and IPU units during collisions.

Segmented underfloor stretchers with transverse brackets maintain base strength during frontal impacts while accommodating larger battery volumes.

A battery unit mounting structure uses adjustable reinforcing members with bent flanges to secure beam members between side members.

A rear side body structure uses a protruding bonding surface part on the side sill outer panel to join the quarter inner panel.

An adjustable wheel track mechanism resolves the contradiction between convoy interlocking capability and individual road holding stability.

A towing dolly cradle assembly uses a camlock engaging pin to raise and secure wheel assemblies.

Segmented wheel assemblies with dynamic rotation resolve stability trade-offs on rough terrain while protecting interior floors from scuffing.

Branched cross members connect side frame rails to disperse impact loads and suppress cabin deformation during crashes.

Circular and slotted openings in a heavy-duty vehicle hanger ensure proper alignment while eliminating matched-drilling requirements.

Longitudinal beads in the damper housing resist excessive loads, reducing deformation and improving strength without increasing complexity.

Segmented resin clips absorb attachment errors, enabling precise plate fixation without complex multi-point welding.

Single-shot injection molding merges energy-absorbing ribs and weld nuts into one component, eliminating separate brackets and reducing assembly complexity.

An airbag lifting mechanism raises a sliding upper deck on a semi-truck trailer, eliminating hydraulic contamination risks while increasing container capacity.

Fluid sampling passages in the piston assembly promote laminar flow, preventing premature shut-off caused by turbulence and back pressure.

A foldable off-road electric vehicle uses a folding battery module and adjustable suspension to reduce its physical footprint.

Single cross-member integrates hitch mounts to eliminate extra structural supports, reducing manufacturing complexity.

A lateral reinforcing element features a deformable front section that compresses during impact to absorb energy while maintaining structural integrity.

A front vehicle body reinforcing structure connects the front side member and side sill member via a pipe-shaped reinforcing member.

An upward extension portion on the cross-member connects longitudinal members to side frames, resolving rigidity and weight trade-offs in rear subframes.

A vehicle floor tunnel structure uses a cross member bridging the tunnel and rocker to transmit impact loads along the width direction.

A metallurgically bonded aluminum subframe assembly joins crossmembers and arms to create a rigid structural unit.