Exhaust Apparatus TRIZ Cases

A cab-mounted exhaust pipe de-coupler uses ball joints to allow limited vertical and horizontal movement of the engine exhaust pipe relative to the cab body.

Composite thin-film layers reduce radiant and conductive thermal losses, maintaining optimal SCR conversion temperatures.

A nested intake pipe merges expansion and resonance silencing within one chamber, reducing noise across frequencies without increasing size.

Plug-in sections reduce material stress at pipe connections, ensuring stable housing integrity without variable welding quality.

Thermal treatment of impregnated Pd and Rh precursors forms a crystalline alloy that enhances exhaust purification while inhibiting RhAlO4 formation.

Segmented sensor carrier units reduce manufacturing complexity by pre-assembling precise nozzle positioning, eliminating individual attachment risks.

A plasma reactor heats exhaust gas before it reaches a diesel particulate filter trap.

Complementary docking geometries ensure rotational alignment and proper ordering of modular exhaust treatment units, preventing gaseous leakage.

A polyisocyanate production system regulates hydrogen chloride supply and pressure using control units to ensure steady chlorine generation.

A CPU averages multiple oxygen sensor outputs during fuel cut periods to derive stable correction coefficients.

Exhaust pipe routing through swing arm gap reduces vehicle width while preventing component interference.

A sensor protective tube creates back pressure to shield the humidity module from liquid droplets and dirt particles in flowing media.

Dual stopper mechanisms in an exhaust valve toggle limit link angle variations caused by heat expansion, stabilizing opening loads.

Segmented protective tubes with varying wall thicknesses resist tensile and torsional forces while maintaining urea solution temperature.

A saddle-ridden vehicle connecting tube routes upward to bypass the rear cushion and curves under the seat.

Detachable muffler end cap enables rear wheel axle maintenance without removing the exhaust system.

Segmenting the exhaust duct into multiple ports directs hot gas to cool ignition coils, preventing water ingress without adding complex cooling devices.

A unified actuator generates anti-noise sound waves inside a multi-flow exhaust system.

Electric heating component raises exhaust gas temperature in lean-burn natural gas engine aftertreatment housing.

Compressed air extraction warms the catalyst substrate during startup, maintaining optimal temperature and reducing nitrous oxide emissions.

An asymmetric exhaust manifold rotates to align dual cylinder outlets, resolving rigid mounting constraints on work machines.

Symmetrical slit configuration reduces thermal stress across catalyst support, preventing damage from uneven radial distribution.

A core-shell composite compound integrates rare-earth manganese oxide with a cerium-zirconium core to boost oxygen storage capacity.

A gas sensor determines steady-state measurement pump current using the peak rate of change over time.

A partition plate divides exhaust passages with a communicating hole for a single sensor.

A particulate matter sensor adjusts electrode voltage based on discharge amount to optimize detection speed and power usage.

Segmented manifold design bridges engine ports to the turbo, reducing installation labor by avoiding truck body lifting.

A bifurcated marine exhaust elbow cooling jacket minimizes thermal contact with exhaust gas to prevent water vapor condensation.

A gusset system transfers exhaust loads to the vehicle frame through a curved plate design.

A repositionable mounting material uses inorganic fibers and a hybrid adhesive layer to secure ceramic monoliths.

Integrates exhaust aftertreatment components with the driver's cabin access facility to optimize lateral space utilization.

A dual heating exhaust system uses a burner and electric heater to raise catalyst temperature, reducing cold-start emissions.

An integrated muffler valve prevents rotor reversal noise in screw compressors without adding separate components.

Segmented exhaust manifolds allow optional catalyst mounting, resolving engine complexity trade-offs across regional emission standards.

Elongated fastening holes allow rotational alignment to install exhaust components onto tilted bolts within restricted engine spaces.

Sintered plastic layers on metal supports reduce weight and prevent metal ion contamination in urea fluid containers.

An annular air gap allows a welded collar to flex and absorb kinetic energy, extending runner durability against vibration fatigue.

Relocating the exhaust purifier into the engine room preserves exhaust gas temperature for effective purification while improving vehicle stability.

Bracket with mounting ears and C-shaped inserts secure RF sensor module to exhaust housing, preventing contamination.

Moves the exhaust gas sensor and throttle valve out of the expansion chamber to prevent water condensation while lowering the gravity center.

Segmented silencer cartridge allows quick replacement of degraded absorptive material, preventing downstream machinery damage from corrosion debris.

Segmented inner and outer cylinders create a convective gas layer that retains catalyst heat, preventing cooling during engine stops.

A control device compares mass flows through cylinder and heater air ducts to detect leaks in internal combustion engine systems.

Nesting the catalyst inside the exhaust collecting pipe between cylinder banks secures sufficient purification length while allowing flexible muffler placement.

Engine hood inclined surfaces position exhaust treatment apparatuses vertically above the engine to maintain a compact longitudinal footprint.

Foamed rubber seals the sensor chamber while absorbing thermal expansion forces that would otherwise break fragile wiring traces on the circuit board.

Asymmetric connecting portions prevent unintended power modifications while reducing design and testing steps.

Polygon aperture bracket aligns exhaust isolators via vehicle body features, reducing installation time and complexity.

Segmenting the aftertreatment system allows rapid catalyst heating while sorbents capture emissions until activation temperatures are reached.