Understructures TRIZ Cases

A closed loop member and lower reinforcement members distribute collision loads across a spatial lattice framework.

A cross-car beam structure uses a removable pencil brace to attach the cowl, enabling modular assembly and lighter weight configurations.

A fuel cell throttle valve uses a magnetic joint to transmit rotational motion from an electric motor to a throttle plate for precise hydrogen flow regulation.

Segmented apron upper members use brittle casting for initial deceleration and ductile sheet metal for load absorption to suppress occupant approach.

A gutter-shaped structural member with an outward continuous flange disperses stress across the cross section.

A support arm assembly mounts a fuel fill limiter on an arm extending into a fuel tank.

A fuel filling system uses a detector to identify metal nozzles and an actuator to move a restricting member for authorized access.

A vehicle door structure uses movable load transmission members to channel side collision forces away from the seat assembly.

A vehicle body structure uses flange units to couple open-side members with closed surfaces, creating surface contact between the components.

Side rails link to a front crossmember to transfer forces, eliminating central beams and increasing battery storage space.

Cutouts in the second deformable zone lower impact resistance, eliminating separate designs for different vehicle masses.

Rear kick-up panel secures to snowmobile tunnel via flexible clips and adjustable support brackets.

A front cabin frame assembly uses continuous load transfer paths to distribute collision energy across an enclosed ring-like structure.

A deployable baffle assembly expands within a fuel tank to dampen acoustic noise while maintaining permeability.

Segmenting the stay into upper and lower components joined at the reservoir rear secures the tank without reducing volumetric capacity.

Thermoplastic elastomer layers swell upon fuel contact to seal ballistic holes, reducing weight and eliminating hazardous vulcanization processes.

Segmented carbon fiber center, driver, and passenger blocks provide structural rigidity while lowering production costs compared to monolithic CFRP designs.

A vehicle floor structure uses upper and lower tunnel reinforcements joined to cross-members to form closed sections that improve structural stiffness.

A powered trailer unit employs a movable wall and winch assembly to transport bulk materials efficiently.

Local reinforcement of the main frame connecting portion prevents upper frame deformation in small overlap crashes without increasing overall vehicle weight.

Segmented crush cans linked by webs absorb collision force and distribute energy to protect passengers and batteries in electrified vehicles.

Vertically spaced recessed ribs reinforce the lateral side wall pocket, preventing frame rail contact with the fuel filter during side impact collisions.

Rear discharge solids containers eliminate tilting mechanisms, reducing height while maintaining unloading capability.

A vehicle frame cable extends transverse to the longitudinal axis between a frame rail and a shock tower bracket.

A normally open inlet check valve seals the pressurization chamber in electronically controlled fuel injectors.

Reservoir retains fuel using capillary action and wicking, preventing air ingestion and engine stalling during aggressive driving.

An electric vehicle seat rail connector elevates forward rails to absorb collision forces and protect batteries from impact damage.

Pivotable vanes in a fuel tank baffle adjust between open and closed positions to prevent premature pump shut-off during refueling.

A unitary connection member links front side members and damper housings to form a rigid closed loop structure.

Sliding running gear eliminates air-hydraulic systems, reducing complexity while enabling safe highway and railway transit.

Inverted-channel formations join via inclined plates to reduce module types and improve manufacturing efficiency.

A vehicle reinforcement structure joins a ductile upper portion to a stiff lower portion in an overlap zone to absorb impact energy.

A plastic expansion tank collar uses elastically deformable teeth on a tubular insert to prevent axial slippage.

Flanged bearing plates widen laterally to accommodate larger cooler units while maintaining frame stability for tiltable cab trucks.

Heat-treated cross member end-regions join side rails directly, eliminating gussets and reducing assembly time.

A chassis with an integrated C-shaped ballast member lowers the center of gravity to enhance stability during load lifting.

Rearward upper arm shaft support positioning prevents interference with final speed reduction mechanisms, reducing overall length.

A vehicle frame joining structure uses slit portions to disperse bending stress across multiple welded joints.

A segmented vehicle chassis framework directs suspension loads to a central rigid core using longitudinal and lateral members.

Segmented chassis components with rotational locks enable a hybrid vehicle to switch between wheeled and walking modes for obstacle traversal.

An auxiliary frame mounts the engine and transmission to a five-linkage rigid axle suspension, moving integrally with rear wheels.

A chassis brace bridges the sub-frame and inner rocker to direct crash forces through the wheel assembly.

Pattern grooves on extruded material surfaces enable mechanical interlocking with molten metal, eliminating bubble defects from welding.

A movable suspension tower reconfigures between operating and shipping positions to compact work vehicle height.

Snap-fit resin support columns enhance pressure resistance while minimizing weight increase in iron fuel tanks.

Segmented rear pillars and interconnecting frames distribute suspension loads to reduce bending moments and maintain rigidity.

Inserting an expandable pre-foam carrier into hollow subframe sheets resolves the trade-off between reducing weight and maintaining structural stiffness.

A steering hanger combines a metal pipe with a carbon fiber-reinforced plastic pipe to support the steering column.

A die-cast vehicle support member connects a fixing portion to an outer peripheral wall via a connecting rib.

Integrally formed panels prevent sliding at the floor tunnel lower portion, ensuring smooth load transmission during collision events.