Exhaust Apparatus TRIZ Cases

Asymmetric catalytic converter positioning compensates for V-engine bank offsets to equalize pipe lengths and enhance purification performance.

Adjustable push rolls bend plate workpieces into polygonal sub-muffler cylinders, eliminating dedicated press dies and reducing equipment costs.

Segmented underwater exhaust outlets prevent idle gases from hitting the hull, eliminating noise and vibrations caused by backpressure.

A vertically disposed duct with sidewall apertures enhances water entrainment and noise reduction within a compact marine muffler volume.

A combined spark arrestor and muffler assembly integrates stator fins and acoustic packing within a shared housing.

A nonwoven web of discontinuous polycrystalline aluminosilicate ceramic fibers cohesively bonded by a fired precursor inorganic binder.

Internal channel expansion reduces environmental heating from exhaust gases while simplifying production.

Dividing the flange into partial segments accommodates thermal expansion differences, reducing housing stress and preventing material fatigue.

Integrating stoppers into housing recesses eliminates separate components, resolving installation complexity while ensuring precise end position definition.

A porous insulating layer with microspheres minimizes heat transfer loss while maintaining structural integrity through dynamic thermal response.

A motorcycle exhaust system uses a valve to route gases through distinct catalyst conduits, enabling dynamic adjustment of emission treatment paths.

Steam injection compensates for pressure drops in the reformer, preventing carbon deposition on the catalyst and minimizing deterioration.

A deicing agent injection system mixes chemical solution with condensed water vapor in a fuel cell muffler to prevent ice formation.

Flow diffuser uses extension flaps to create outer ports and inner ports, promoting turbulence via the Coanda Effect.

Compressor bypass air cools turbine exhaust below 482°C, eliminating external blowers and reducing system complexity.

A porous gas-permeable body distributes air uniformly within an exhaust system interior, resolving uneven heat transfer and catalytic reaction temperatures.

Nested passages mix hot exhaust gas with ambient air to lower tailpipe temperatures during aftertreatment regeneration without increasing backpressure.

Sequential noise reduction units in an acoustic metamaterial muffler reduce wide-band exhaust noise without obstructing gas flow or increasing pressure drop.

An oxidation catalyst using an alumina support with a 30 to 55 nm pore size peak maintains low combustion temperatures during DPF regeneration.

Cut-off portions remove twisted inner shell material to enable smooth end plate insertion and consistent laser welding.

An asymmetric conduit and magnetic ring system prevent diesel exhaust fluid mis-fueling while maintaining simple refilling operations.

A processing circuit calculates sectioned average values and amplitudes to estimate compressor impeller deterioration.

A V-shaped outboard motor positions exhaust pipes outward relative to the crankcase banks to integrate catalysts within a compact width.

Selective film attachment on the longest mat layer prevents fiber scattering while maintaining direct contact between mats for reliable adhesion.

Heat treating washcoated ceramic honeycomb substrates enlarges microcracks to lower thermal expansion and elastic modulus.

Composite Nb-Cu-B alloying suppresses precipitate coarsening, preventing abnormal oxidation and scale peeling while maintaining yield strength at 750°C.

A metal strip winds around an exhaust body to form a secure housing.

Controller estimates exhaust air mass-flow using differential pressure and temperature sensors across the selective catalytic reduction system.

An isolation mechanism lifts the product holder to transfer weight support away from load cells during loading operations.

Vertical positioning of the exhaust connection pipe secures bank angle clearance while maintaining necessary passage area for engine output.

Helmholtz resonators in the exhaust path reduce peak gas velocity to increase torque while lowering emissions.

Nitrogen-based Brayton cycle uses recycle streams to moderate turbine inlet temperatures.

Segmented V-engine exhaust housing uses an expansion compensation element to reduce thermal strains while maintaining gas tightness.

A guide part in the exhaust junction passage diverts gas flow toward the center to balance distribution across cylinder groups.

Segmenting exhaust flow across manifolds reduces system size and cost while maintaining emission removal efficiency.

A direct contact cooler mixes scrubbing fluid with turbine exhaust to remove nitrogen oxides.

A cab-mounted muffler assembly relocates exhaust noise control vertically above the engine to free horizontal workspace.

Segmented base plates and hoods surround exhaust components to maintain temperatures below 220°C while simplifying assembly.

A wire mesh cage encloses a catalytic converter and secures to the vehicle frame via a chain and shoulder bolt assembly.

Integrated bridge element tabs use elastic deformation and friction to immobilize the hole rim, eliminating material folds that cause corrosion.

A turbine control section coordinates power and steam turbine outputs by adjusting the power turbine control valve opening based on steam governor signals.

A protective device releases inert gas from a reservoir to cool hot surfaces and displace oxygen, preventing ignition of leaked working fluid.

Multivariate imidazolate linkers code hexagonal prism and cube secondary building units, enabling synthesis of large-pore ZIFs with high CO2 uptake.

A connector integrates a heating element to warm fluid flow through the inlet tube.

Dynamic vibration overcomes capillary forces in honeycomb structures, ensuring complete removal of excess washcoat for uniform catalytic converter coating.

A gas turbine airflow system extracts compressor air to cool exhaust streams for SCR catalysts.

Water sensor detects liquid in exhaust passages to manage engine operating parameters, preventing intrusion when stopped.

Merging the pump and attenuator onto a common plate eliminates flexible hoses, reducing volume to accommodate emissions equipment.

Spring-elastic tongues on the inner plate compensate for pipe thermal expansion without complex sliding seats, reducing assembly costs.

A bypass flow path routes high-temperature exhaust gas to mix with cooled streams inside a water recovery unit.