Exhaust Apparatus TRIZ Cases

A reservoir assembly houses a level sensor in an upper protruding portion to maximize internal volume.

An upstream protuberance disturbs exhaust gas flow, reducing pressure pulsation and resonance noise without increasing device complexity or manufacturing cost.

An observer estimates internal hydrolysis catalyst temperature to prevent ammonia release lag and reduce urea deposits during SCR operation.

Discontinuous second weld beads prevent heat accumulation at first weld overlaps, restraining strength degradation in exhaust manifolds.

Asymmetric muffler design overlaps the rear wheel to increase cross-sectional area, resolving interference while concentrating mass.

Slits and nubs in a muffler pipe connection enable axial displacement to compensate for thermal expansion stresses.

A replacement exhaust kit uses a modular catalytic converter and bypass pipe to customize engine sound profiles.

A hot bonding apparatus uses a shaving blade to remove oxidation films while compressing metal plates for strong adhesion.

Transverse cooling chambers in the cylinder head force fluid flow across superimposed exhaust conduits, resolving non-uniform temperature distribution.

An empirical formula replaces theoretical models to correct measurement errors caused by sensor element non-compliance with standard relationships.

Integrated cooling system circulates coolant through turbine and bearing housings to manage thermal loads, reducing reliance on expensive nickel alloys.

Opposing locking arrangements screw into a common sleeve to clamp brackets, enabling ergonomic mounting and demounting from different access directions.

A coating device employs a non-conductive riser pipe to replicate substrate fill levels, enabling accurate sensor detection in conductive materials.

Segmented fuel and air cold plates maintain safe operating temperatures during ground and flight operations without relying on continuous fuel flow.

A tubular sensor guide with a bent shape minimizes positional changes between the exhaust gas temperature sensor and its mounting bracket.

A vehicle exhaust discharge inducing apparatus accelerates driving wind through an induction cover to lower pressure at the pipe end.

A protective element surrounds the spring and valve rod to shield them from exhaust gas flow.

Excess airflow cools exhaust gases while supercharging the compressor, enabling higher turbine loads during start-up.

Lateral pipe extensions inside the muffler increase exhaust path length without extending the outer housing, reducing support structure load.

A steam-based heating element raises exhaust gas temperature before it enters the selective catalytic reduction catalyst.

Helmholtz resonator cavities within muffler walls cancel targeted noise frequencies while maintaining unrestricted airflow.

A heat-resistant cast steel composition strengthens ferrite matrices through carbide precipitation.

A thrusting portion redirects collision force to a fragile exhaust section, causing it to fracture and fall away from the dashboard.

Dynamic blocking means at multiple suction orifices prevent air ingress and reduce dead volume during vehicle motion.

A compliant fender seals a bonnet over diesel locomotive exhaust pipes, capturing gases that rigid designs miss due to vibration and configuration changes.

A steel plate with a lip surrounds the measuring means base to prevent flammable liquid ingress.

Resilient baffles in ventilation openings reduce noise transmission while maintaining convective cooling for electronic equipment.

Modular housing and equipment rack isolate exhaust components from service areas, resolving maintenance access conflicts in tight engine rooms.

A reciprocating pump reduces activation power based on piston flight time to lower noise during reagent back-suction.

Bi-directional shutoff valve opens during shutdown to equalize trapped volume pressure with the source, preventing overpressurization damage.

Polymer coating solution deposits an ultra-thin precious metal layer on exhaust catalysts.

Integrated helical heater and sensor heat diesel exhaust fluid to reduce NOx emissions.

Repositioning the oil filter below the engine prevents interference with the exhaust pipe while preserving ground clearance.

Radial and circumferential ribs on the cover reduce vibration amplitude without drilling holes, preserving heat shielding integrity.

A cracking catalytic converter transforms long-chain hydrocarbons into shorter chains before they reach the adsorber.

Flow drilling creates elongated sensor mounting openings in sheet metal blanks to enable stable internal thread formation.

Removing alignment elements from the connecting part simplifies manufacturing while maintaining effective heat transfer for fluid medium tubing.

A variable valve uses two independently controlled gates with distinct flat springs to manage exhaust gas flow rates.

Positioning the exhaust gas cleaning device on the flywheel housing protects it from cooling air and vibrations while retaining high operating temperature.

Rotatable optical layers enable high-speed tomographic reconstruction of gas concentration distributions within exhaust pipes.

A turbine exhaust diffuser uses a concave flow redirecting component to change gas direction and reduce axial length.

Angled grille vanes redirect exhaust gases away from the rear vehicle area, preventing dust dispersion and maintaining driver visibility.

Dual lambda sensors measure oxygen concentration in motorcycle exhaust gas flow to validate catalytic converter performance.

A centrifugal disc stack rotor separates liquid reaction products from marine diesel exhaust gases.

Guide element with pressure-equalizing hole increases exhaust velocity near branch outlets to stop cross-leakage while minimizing flow resistance losses.

A laterally split exhaust arrangement positions the diesel particulate filter and selective catalytic reduction device on opposite chassis sides.

Curved exhaust pipe with inclined inner walls redirects drainage water flow away from vehicle surroundings, preventing puddle formation and brake pad freezing.

An adhesive closure cap captures non-magnetic particles from tubular conduits, preventing transport contamination.

An APU exhaust silencer integrates a cooling air passage to absorb thermal energy, eliminating heavy insulation layers that increase weight and occupy space.

Adapter reduces exhaust backpressure by maintaining line-of-sight flow path through tight engine spaces.