Exhaust Apparatus TRIZ Cases

A heat insulating component with a bent portion secures to an exhaust port inner wall through thermal expansion.

Retaining plates fix modular emission control units via protruding beads, reducing parallel assembly complexity while maintaining exhaust flow.

Stacking exhaust treatment devices vertically above the engine preserves operator sightlines to the blade while accommodating multiple emission control units.

An actuator rotates the exhaust outlet tip to redirect noise propagation away from adjacent structures.

A transversely mounted catalytic converter and muffler reduce the longitudinal footprint of an off-road vehicle exhaust system.

Angular thermal diverter plates deflect heat flow away from a wire harness, preventing cable sheathing failure caused by obstructive intermediate walls.

Segmented partition walls optimize porosity to balance mechanical strength against pressure loss while maintaining high exhaust gas purification efficiency.

Thin foil insulation wrapped around the injector tube junction reduces weight and cost while maintaining heat retention in exhaust systems.

Segmented resonator placed in vertical space between exhaust pipe and cylinder minimizes system width while maintaining acoustic performance.

Sintering titanium dioxide with carbon yields porous TiOx membranes that balance high porosity and mechanical strength for effluent treatment.

A liquid filter uses a variable volume closure element to vent air from the additional chamber during initial filling.

A marine exhaust manifold integrates a catalyst within opposing metal castings to treat combustion gases.

A filter device uses a compressible casing to absorb fluid pressure increases and dampen pulsations within the housing.

A suction cup secures a flexible tubing boot to the vehicle bumper using a tensioned cord for precise exhaust alignment.

A hollow tail pipe with a porous barrier absorbs soot via surface tension, preventing rear surface deposits while reducing noise and back pressure.

An electric assist motor connected to an engine generates power to adjust torque and control exhaust gas temperature.

Torsional dampers between spring coils minimize flutter and noise while maintaining consistent valve closure.

Positioning the throttle actuator on the side opposite the exhaust pipe prevents heat damage without requiring a longer wheelbase or higher seat.

Exsolved NiCo particles from perovskite oxides replace platinum, cutting costs while maintaining high catalytic activity.

Relocating a depollution agent tank to the front chassis floor zone increases storage volume while eliminating variable pipe lengths across modular wheelbases.

A controller closes the exhaust passage to store cooled gas, then introduces it into the fuel tank via a dedicated introduction passage.

Laser welding connects fitted peripheral walls of a muffler shell, eliminating complex press molding steps to improve manufacturing efficiency.

A removable catalytic converter cartridge mounts directly into an exhaust manifold opening using wire mesh seals and a snap-in retainer ring.

Segmented valve body design uses a hollow space to cool the combustion-facing disc, mitigating corrosion and wear under high thermal loads.

A tubular casing surrounds the heat exchanger connection fitting to redirect hot exhaust gas flows away from the wall.

A marine exhaust sound enhancement assembly amplifies predetermined frequency sounds through a dedicated duct while isolating the path from hot exhaust gas.

A vehicle liquid measurement system assigns fill levels to discrete thresholds and determines realistic values via activation frequency analysis.

An exhaust bypass valve dynamically switches flow paths to tune sound quality, eliminating hardware modifications for varying noise requirements.

Segmented metal sheet layers slide relative to each other, mitigating thermally-induced stresses that cause wear at mechanical fastener joints.

Segmented solder compounds with distinct solidus temperatures minimize thermal expansion mismatch stress during reflow cool-down.

Arch-shaped gaps between pedestal legs reduce weight and suppress heat accumulation around electronic components.

Shaft-driven airflow extraction cools exhaust gas below 900°F, eliminating external blower complexity and protecting the SCR catalyst.

Segmented gaps and an integrated screen isolate stress from the sensing element, improving measurement accuracy in high-pressure environments.

A particulate trap uses a reversing apparatus to create an instantaneous reverse pressure drop across porous walls for soot removal.

Positioning the catalyst within the frame-surrounded muffler space separates it from occupants while maintaining compact vehicle dimensions.

Floating inner shell with insulation compensates for thermal expansion, reducing stress and simplifying construction.

An intermediary closure decouples sensor mounting from inner tube assembly errors, maintaining detection accuracy.

A thermal accumulator assembly integrates waste heat recovery components within a hermetically sealed housing to simplify vehicle cooling systems.

Adjustable mounting brackets with curved contact surfaces secure exhaust components, eliminating flexible connectors that increase device complexity.

Exhaust line assembly positions components outside the engine compartment using a protective housing and support element.

A water controller system uses a hollow floating member to circulate methanol solution and discharge carbon dioxide in direct methanol fuel cells.

A fuel reforming system injects fuel into an EGR passage to maintain catalyst temperature during regeneration.

Segmented catalytic nasal device oxidizes methane emissions, resolving the trade-off between conversion efficiency and device complexity.

A slit-shaped ejection nozzle uniformalizes slurry flow velocity across the width direction to ensure consistent depth filling in honeycomb cells.

Liquid vaporization generates reference particles, eliminating complex laboratory equipment and reducing power consumption for real-world emission monitoring.

Adjustable APU system varies shaft speed based on inlet air temperature to maintain optimal compressor efficiency.

A notch-based insert enables oblique fixation of cylinder head components, reducing engine weight and compartment thickness.

Lateral catalyst placement with an expansion chamber cools exhaust gas, ensuring uniform heating and sufficient road clearance.

Insulation resistance feedback triggers targeted maintenance, reducing fuel consumption while maintaining particulate matter trapping performance.