Internal Combustion Piston Engines TRIZ Cases

A combustion chamber plate with openings segments fuel jets and flames to induce turbulence for better air entrainment.

Patsnap Eureka TRIZ case: Ion signal integration overcomes low species concentration to prevent incipient knock and extend safe operating regimes.

Relocating the flange connection to the outer pipe isolates the inner pipe from cooling, preventing urea crystal lump formation and reducing exhaust resistance.

Expanded upstream pipe portion reduces particulate matter deposition in diesel exhaust pressure sensing lines.

Perforated vane disks align with flange holes to bypass excess exhaust flow, preventing overboost without enlarging the turbine stage.

Axial overlap of idle chain sprocket with bearing wall positions driven gears closer to support structure, reducing camshaft protrusion and engine axial length.

Magnetic field guidance eliminates friction wear in the armature seat, extending service life for SCR exhaust systems.

Electronic control unit estimates urea concentration by comparing actual and demanded NOx conversion rates during SCR catalyst operation.

A base metal catalyst composition with reducible ceria support promotes steam reforming to generate hydrogen reductants.

A vehicle control system adjusts engine restart speed based on battery state to manage power distribution.

Flap skirt engagement with the valve seat gradually increases opening cross section, reducing wear and improving control capability.

A moisture-diverting gutter and shield manage airflow at the vehicle air intake inlet to prevent engine performance degradation from water ingestion.

Deforming plate elongations calibrates brazed radiator block dimensions, eliminating air bypasses and removing the need for costly additional seals.

A vehicle exhaust tail trim assembly with a collecting part creates a gap to store condensed water.

Relocating the drive source opposite the link mechanism simplifies the surrounding structure and improves air intake efficiency.

A pre-combustion chamber generates flare jets to ignite high-pressure fuel gas jets in the main combustion chamber.

A diagnostic device estimates hydrocarbon heat generation in a diesel oxidation catalyst using inlet, outlet, and ambient temperature sensors.

An injection controller adjusts reducing agent delivery by comparing actual SCR performance against normal patterns to maintain purification efficiency.

Fuel injector sprays fuel against the feeding channel inner surface to mix air and fuel for complete combustion.

A cycle piston engine power system integrates oxygen generation and CO2 capture to produce saleable pressurized carbon dioxide.

A start-up controller adjusts engine rotation limits based on driver intention to prevent revving-up.

Double pipe part integrates with cleaner container wall to align air intake flow in compact spaces.

Varying rib projections in the header tank compensate for flow blockage, resolving uneven fluid supply across the tube bundle.

LaPO4 and SiO2 carriers support rhodium to maintain high NOx removal activity under lean conditions while resisting sulfur poisoning.

Moving the resin hose joint downward exposes it to airflow, suppressing heat damage from exhaust gases while maintaining structural stability.

A fuel injection valve uses varied hole diameters to direct sprays into specific tumble flow zones within the combustion chamber.

Diagnostic apparatus monitors NOx efficiency against engine output power thresholds to identify diluted reductant in SCR systems.

A wound metal foil heating plate uses stacked insulating layers to define current paths within a catalytic converter.

A V-type engine merges dual manifold flows into one pipe and catalyst, reducing component count while maintaining sealability through movable connections.

Segmented control chambers minimize static fuel leakage while maintaining rapid electrical response across varying engine loads.

Upstream sedimentation chamber uses gravity and mechanical entanglement to remove particles, preventing filter clogging and extending service life.

Fixed valve train design with optimized intake port volume ratio suppresses combustion gas reverse flow to improve emission and output performance.

A metallic heating plate contacts exhaust gas through a feedthrough while a ceramic catalyst prevents short circuits without extra insulation.

Nested U-shaped leg fits counterweight recesses to arrange exhaust device without reducing weight.

A segmented turbine housing insert forms a precise volute surface while acting as a thermal barrier between the exhaust gas path and internal bearings.

Treating a partial gas stream increases flammability for pre-chamber ignition, allowing stable engine operation with low-calorific fuel without full treatment.

A neural network object-class model selects and adjusts specific parameters to classify new target images without full retraining.

A catalyst device uses a temperature difference inducing structure to manage heat distribution across its components.

Engineered coolant contamination produces realistic OBD limit parts that resolve misdiagnosis risks and reduce testing lead times.

A secondary diesel particulate filter measures differential pressure to assess soot load, enabling precise regeneration timing and reducing fuel consumption.

A variable intake system uses a linear motor actuator to precisely adjust the intake flap opening angle based on real-time engine RPM.

A computing module monitors battery voltage and triggers the engine to recharge when levels drop below programmable thresholds.

Adjacent palladium and rhodium regions in the catalyst layer control diffusion to inhibit activity decline over time.

Staggered valve actuation prevents abrupt negative pressure drops in the vacuum tank, eliminating flow noise while maintaining engine torque.

A hybrid powertrain system recovers exhaust thermal energy using a Rankine loop and epicyclic gear train to drive an auxiliary shaft.

Inverting idling air passageway position prevents fuel accumulation while tumble valve plate directs airflow to intensify tumbling flow.

Dynamic reducing agent supply system adapts feed state to exhaust conditions, lowering electrical energy consumption for complete conversion.

Direct bonding eliminates thermal grease and air gaps between the circuit board and heat sink, improving heat transfer efficiency.