Exhaust Apparatus TRIZ Cases

Decoupling catalyst fixation from the inner cylinder enables a larger diameter drum for improved exhaust efficiency without restricting design freedom.

A zoned catalyzed soot filter uses a specific inlet-to-outlet coating loading ratio to optimize oxidation catalyst distribution.

Lateral branching part routes exhaust air into left and right mufflers, reducing airflow resistance.

Segmented spiral blades adapt acoustic impedance without expensive re-tooling, enabling economical production.

Movable brackets and elongated slots in the support structure accommodate thermal expansion, reducing thermally induced stresses on diesel particulate filters.

A multi-piece muffler housing uses a locking ring to join detachable casings for exhaust treatment.

Nested insulation between concentric pipes stabilizes catalyst temperature, reducing motor volume while maintaining reaction efficiency.

Segmented exhaust manifold design enables flexible catalyst mounting within ship propulsion cylinder blocks.

Laser ablation removes galvanized layers before welding, preventing vaporization that causes weld porosity and spatter.

Sliding bearings allow support rods to move axially, compensating for thermal expansion while maintaining mechanical stability.

Dispersing catalytic powder in a diluent matrix reduces sulfur trioxide formation while maintaining abrasion resistance against ash exposure.

A vehicle exhaust gas sensor mounting structure penetrates a silencer wall and an adjacent pipe to detect cleaned exhaust components directly.

A portable hurdle uses a tensioned bow portion secured to a base for adjustable height settings.

Angular baffles and vertical ducts separate cooling water from exhaust gas in a multi-chamber muffler, reducing noise while maintaining low pressure drop.

A hybrid vehicle controller manages gasoline particulate filter regeneration by operating the engine in fuel shut-off to generate airflow.

High annealing twin frequency in austenitic stainless steel sheet improves high temperature strength while maintaining room temperature ductility.

A saddle-ride vehicle oxygen sensor connects to an earth circuit via the exhaust pipe and a conductive gasket.

A NASICON type metal phosphate carrier supports precious metals to enhance exhaust gas purification activity.

Segmenting the heat shield into coupled half shells reduces manufacturing complexity while maintaining thermal insulation for emissions treatment.

Pivoting gates route exhaust to resolve noise versus acceleration trade-offs in hot rod applications.

A model-based control system calculates precise heat input to minimize electrical energy consumption while ensuring rapid catalyst activation.

A dual exhaust gas recirculation path system uses a flow controller to route gas through separate liquid removal capabilities.

A marine propulsion device detects water intrusion potential through an exhaust path using a dedicated detection portion.

Replacing silicon additives with Fischer-Tropsch fuel eliminates catalyst degradation and deposit accumulation while preserving antifoaming performance.

Ultrasonic vibrations remove particulate matter from sensor surfaces, maintaining measurement precision despite harsh exhaust environments.

A chamber with perpendicular electrodes generates plasma arcs to ionize combustible exhaust constituents.

A vehicle attachment structure uses a rocking magnet to fix components without elastic deformation.

Heat insulating cover mounting boss forms a mechanical seal around the exhaust constituent sensor.

Heater control unit removes sulfur oxides from NOx sensors during engine stops, preventing detection interference and maintaining measurement precision.

Aircraft thermal management system circulates fluid through a heat exchanger cooled by ram air drawn from the engine inlet.

An exhaust purifier functions as a dynamic damper to absorb torsional vibrations in vehicle powertrains.

Bifurcated tailpipe structure directs exhaust through elongate openings to achieve multi-directional dispersion, reducing gas temperature below safety limits.

Uniform compression of the composite eliminates leakage risks in exhaust gas duct feedthroughs.

Standardized engagement legs connect adapters to valve housings, reducing development time for diverse engine applications.

A non-catalytic porous member disperses condensed water upstream of the exhaust sensor to prevent thermal shock and degradation.

Dual electronic control units segment heater drive and safety monitoring functions within a catalyst heating aftertreatment system.

A dedicated flap control unit manages continuous valve positioning to modulate exhaust sound levels.

Magnetic substances in the honeycomb structure enable rapid induction heating, resolving low exhaust gas temperatures at underfloor positions.

Waste heat recovery plant for sintering facilities uses exhaust gas temperature control to prevent sulfuric acid condensation.

Elastic shutter absorbs nozzle displacements to prevent exhaust gas infiltration into the passenger compartment.

Pin elements join tank shells via internal members, resolving assembly complexity and improving structural integrity.

A diagnostic controller increases oxygen in the sensor chamber to verify functionality through parameter interpretation.

A line termination element integrates a spider screen and mushroom valve to control ventilation flow in fluid containers.

Curved deflector attachment redirects exhaust gases away from the operator, preventing smog obstruction in cold conditions.

Integrating fan shroud and intake pipe as structural mounts eliminates dedicated brackets, reducing assembly complexity in work vehicle exhaust systems.

A sensor cover shields the oxygen sensor from direct fan airflow, preventing temperature drops that degrade detection accuracy.

Optimized ferritic stainless steel composition enhances thermal fatigue resistance and formability through precise elemental control.

A hydraulic pump applies dummy load pressure to raise exhaust temperature.

A contactor column absorbs water from exhaust gas using a lean dehydration fluid to produce dry gas for carbon capture.