Internal Combustion Piston Engines TRIZ Cases

Rotatable inlet and outlet connectors adapt marine exhaust aftertreatment layouts while cutting packing volume, weight, and outlet complexity.

A cylindrical valve element with dual seals blocks pressure-induced opening, enabling reliable secondary air injection during high-pressure cold starts.

A two-stage air-to-air cooler routes charge air in different directions to cut intake plumbing volume, transient effects, fuel use, and emissions.

Cold-start exhaust heating is improved by an upstream heater with radial current flow and dual-purpose electrodes that simplify assembly.

Alternating stacked plates isolate battery and motor coolants while exchanging heat with one refrigerant to cut EV cooling weight and leak risk.

Periodic NOx sensor offset diagnosis uses expected low-emission conditions to detect drift and keep aftertreatment control compliant.

Fused speech and emotion encoding lets digital humans match voice with editable emotional expression for interactive scenarios.

A buffer assembly and pre-separation chamber shield solid separation cartridges from particle impact while removing liquid and solid impurities.

A larger dividing-wall tip radius limits volute cross-talk and blockage in a variable geometry turbine while preserving even exhaust flow.

A vacuum-actuated second sealing seat blocks fuel diffusion and gas loss in gas injectors during engine shutdown.

A layered rotary engine housing uses treated aluminum, a bonding layer, and added wear surfaces to improve sealing durability under heat and pressure.

Nested transfer tubes improve reductant swirl and mixing uniformity in tight exhaust aftertreatment layouts, helping reduce NOx emissions.

Automatically generated visit position queues improve VR group navigation by avoiding collisions, preserving view quality, and reducing 3D dizziness.

Arc-shaped rotor vanes and linked semi-rotors maintain surface sealing in the cylinder body, reducing wear, leakage, and combustion loss.

Secondary air is injected through valve seat grooves near the exhaust valve to improve mixing, raise jet velocity, and shorten catalyst light-off time.

An asymmetrical chamber, injector, and spark plug layout improves hydrogen mixing, ignition stability, and pre-ignition control.

Self-attention fault classification and relevance heat maps improve vehicle diagnosis accuracy and interpretability under shifting data patterns.

Adaptive late post-injection limits based on DOC temperature and air excess ratio cut white smoke without extending DPF regeneration time.

Controlling DEF pH to 10 or below keeps organometallic catalysts soluble, cuts SCR deposits, and improves low-temperature ammonia formation.

A detachable closed-cell foam around the filter absorbs urea-water freezing expansion, cutting installation damage and replacement time.

Angled drillings and built-in swirl channels replace separate swirl plates, improving spray atomization while reducing injector machining and assembly.

Compressed air is routed through a dedicated coolant channel and seal to cool the turbocharger motor while limiting blowby and thermal stress.

Nanoscale rare-earth phosphate dispersed in transition alumina improves Rhodium dispersion and thermal stability in emission control catalysts.

A release filter member lets foreign material pass through clogged zones, cutting pressure loss while preserving layered filtration.

Gas pressure drives a diaphragm and ejector pin to block or reopen the carburetor fuel passage, enabling seamless dual-fuel generator switching.

Detachable volume compensation foam in an SCR urea filter absorbs freeze expansion, lowering damage risk and simplifying replacement.

Cross-view feature similarity training links matching points across image angles to improve feature completeness and geometric perception.

Independent control of pre-chamber and secondary spark timing improves torque estimation, combustion efficiency, and fuel economy in TJI engines.

Placing liquid and pilot fuel rails on one side of the crankshaft improves maintenance access while separating them from the exhaust manifold.

Variable nozzle backpressure replicates engine conditions during injector bench tests, producing gain curves that better reveal quality issues.

Orthogonal laminar flow across prechamber electrode gaps stabilizes hydrogen ignition timing and reduces knock, backfire, and NOx.

Separate high- and low-pressure feeds let one injector meter diesel and methanol more precisely across load range while supporting cooling and lubrication.

A side-by-side turbocharger and intercooler layout cuts engine height while preserving intake-air cooling and limiting heat and vibration transfer.

Protrusions on a resistance heating element expand heat-transfer area, raising exhaust gas temperature faster while reducing thermal stress.

Fine perovskite crystallites dispersed on alumina improve low-temperature NOx storage and conversion without the fuel penalty of redox-active traps.

Multiple process sensors verify compliant exhaust purification when an emission sensor is faulty, avoiding unnecessary shutdowns and cost.

An actuator shifts the intake valve seat or back member to finely control gas intake in reciprocating compressors across startup and rated operation.

A valve in the turbine housing diverts exhaust during cold starts to heat the catalyst, cut lubricant coking, and protect bearing reliability.

Closed-loop control coordinates multiple fracturing pumps using engine and methane number data to cut emissions and fuel use.

An offset nozzle hole and matched piston cavity keep prechamber jets attached, strengthening main-chamber mixing, output, and soot control.

A high-conductivity heat-dissipation ring diverts heat from the sealing ring to preserve injector sealing in gaseous direct injection.

When split injection degrades during catalyst warm-up, ignition timing and fallback intake-stroke injection keep combustion stable.

A segmented carrier with separate insulating and bonded support elements stabilizes the heater while limiting thermal shielding in hot exhaust flow.

A pent-roof cylinder head with skewed inlet ports creates tumble mixing for spark-ignited hydrogen combustion while preserving diesel-like torque.

Mechanical coupling from an engine movable member to the compressor shaft sustains boost at low rpm and avoids wastegate energy loss at high rpm.

Expression modulation coefficients and 3D deformation modeling generate paired images with accurate target and exaggerated expressions.

Weighted loss aggregation across training terminals cuts synchronization overhead, lowers training cost, and preserves accuracy for large models.

A two-step in-wall and on-wall catalyst coating keeps pore space open for diffusion, maintaining conversion while lowering backpressure.

Optimal fusion paths route shared multi-scale features to task-specific heads, improving autonomous driving detection accuracy and efficiency.

By nesting the tumble valve actuator behind the cylinder and near the frame, this case preserves compact packaging, protection, and smooth intake flow.