Understructures TRIZ Cases

A ductile main piece bonded to a brittle UHSS patch forms a hybrid structural member for vehicle frameworks.

A measurement pipe with a low thermal expansion coefficient houses an ultrasonic sensor to detect fuel levels via wave reflection time.

Low strength frame portions bend inward during small overlap collisions to contact the powertrain, preventing forward movement and fuel pipe detachment.

A shield redirects external collision forces along a controlled load path through the frame rail to protect mounting brackets.

Segmented truss stiffening element reduces subframe weight while maintaining structural rigidity and improving engine compartment accessibility.

An expandable shell filled with bulk material stabilizes hollow profile cavities through thermal expansion.

Relocating a modified K-member and trailing arms below the lowered floor resolves the conflict between wheelchair accessibility and available floor area.

Transverse and longitudinal concave beads in die-cast side members manage energy absorption and prevent barrier intrusion into the cabin.

Segmented patch components with convex strips reinforce the floor bottom panel between seats, resolving rigidity trade-offs against structural complexity.

A double stretch trailer uses slideable front and rear extensions to adjust length dynamically.

A motor vehicle floor reinforcing system uses a deformable absorption zone and rigid reinforcing zone to manage impact forces.

Conductive filler pipe outer layer grounds metallic components, eliminating complex cable routing and reducing manufacturing costs.

Pivoting load beams redirect impact forces laterally across the vehicle frame, reducing concentrated intrusions and energy transfer to the occupant cabin.

Dynamic excitation current pulses heat the switching valve to prevent ice formation, ensuring reliable ventilation without unintentional opening.

Segmented propeller shafts contract axially to displace engines rearward, resolving collision cushioning needs without increasing production costs.

Segmenting the front end structure at the bulkhead reduces assembly complexity while maintaining structural integrity through independent pre-assembly.

A circular B-pillar unit uses a double bonding structure with carbon fiber layers to replace welding connections.

Segmented planar walls form a Z-shaped cross-section to reduce vehicle sill mass without compromising longitudinal impact resistance.

An adjustable axle with pivot arms changes trailer deck height, eliminating steep inclines during heavy object loading.

A front vehicle body reinforcing structure disperses collision loads through segmented members coupled to the wheel housing panel and front pillar.

Trough-shaped cross-members lower the midsection height of a lowboy trailer bogie, allowing boom arms to pass without interference.

A fuel tank vent uses a non-circular opening to smoothly discharge air and vapor during refueling.

A trapezoidal suspension member with bent stabilizer portions moves rearward during impact to engage the vehicle body frame.

A drainage portion extends from the lid to the bottom wall above the hydrogen filling port to direct water flow away from the opening.

Riveted bonded aluminum cradle structure eliminates complex welding clamping while maintaining mechanical strength.

Sliding insertion of flexible module wings into slide grooves prevents reverse movement, resolving installation misalignment risks in confined spaces.

Uniform height side members transfer collision loads longitudinally, resolving offset member bottlenecks in unibody frames.

A front vehicle body structure integrates a suspension housing with high-rigidity portions to improve structural integrity.

A vehicle frame assembly uses a deformation trigger to control structural bending during impact events.

A vehicle load introduction system uses transverse crossmembers and deformation modules to manage crash forces.

Integrated shock impactor on mounting bracket absorbs longitudinal thrust forces, preventing crossmember displacement toward the passenger compartment.

A deformable swing arm featuring a narrowing damping slot dissipates crash energy to reduce cab deformation and protect the driver during frontal impacts.

A roof side rail reinforcing member with a traverse portion receives collision loads from the center pillar.

Continuous ridge portions in a hinge pillar reinforcement member suppress bending deformation at apron mounting points without increasing vehicle weight.

Upper and lower back beams connect front side members to center members, creating rigid load paths that absorb collision energy without a sub-frame.

A modular tank system integrates a secondary fuel reservoir into the primary washer fluid container using a shared bottom structure.

A tunnel brace featuring an M-shaped cross section minimizes exhaust interference while preventing floor tunnel deformation under load.

Segmented cowl cross member disperses collision loads through isolated closed spaces, preventing excessive component movement toward the passenger compartment.

Segmented end and side members allow multi-plane container positioning, resolving adaptability complexity trade-offs for diverse vehicle designs.

Removable cylindrical tanks mounted on the dumpster roof of road maintenance vehicles to store natural gas without altering vehicle height.

A tubular structure assembly method using a connecting piece with V or U-shaped ends and indexing holes to ensure precise positioning.

Adapter shells bridge non-flat side members and cross members, absorbing dimensional variations to maintain uniform gap widths and weld strength.

Variable bearing points on cast node connection parts accommodate diverse engine geometries, eliminating the need for multiple specialized subframe variants.

Hollow spherical filling bodies prevent explosion propagation and fire hazards in fuel tanks while minimizing volume displacement.

Bracket spaces beam from pillar to allow controlled deformation, inhibiting impact force transfer to the occupant cabin while maintaining structural stiffness.

A fuel-mixing prevention filler neck device uses a sliding flapper mechanism to selectively open for diesel fuel dispensing guns.

Retaining arms on a bolster bracket hold a fender while a single bolt reduces installation time and complexity.

Side walls extend forward during rear seat retraction to increase cargo capacity without adding complex sliding mechanisms.

Segmenting the trailer into detachable components allows operators to leave the deck at remote sites while returning the gooseneck and dolly for servicing.