Internal Combustion Piston Engines TRIZ Cases

Hollow particles in the filter layer lower thermal mass to prevent detachment from cell walls while avoiding sudden pressure loss from depth filtration.

Relocating the seal function to an annular heat shield plate minimizes nozzle side clearance, reducing exhaust gas leakage while maintaining parallelism.

A method sets minimum exhaust flow speed to detach ash from channel walls in diesel particle filters.

Relocating the gaseous-fuel mixer behind the electronic throttle device eliminates complex intake manifold mounting procedures and stabilizes engine rotation.

A pre-chamber gas valve uses a pressed plug to close the upper spring cavity and guide the valve needle.

A turbocharger cartridge slides into an engine cylinder head receptacle, integrating the compressor diffuser and turbine volute directly into the head structure.

An unsupervised learning detection model uses a RepMLP backbone and residual projection heads to analyze distracted driving image data.

A heat exchanger header uses angled guiding protrusions along its collar to direct tubes into rectangular openings during assembly.

Stiffening ribs on the jacket tube maintain mechanical strength while through-openings reduce thermal mass, enabling rapid heating to operating temperature.

A control device predicts vehicle battery voltage using mean dip values to enable safe start-stop operations.

Positioning the charge air cooler above the engine and routing outlets through the license plate recess reduces pressure losses while maximizing cooling area.

An on-board diagnostics management system disables fault detection when exhaust temperature triggers nitrogen oxide desorption from the adsorbent material.

A cherry picker drive unit manages engine starting via a foot-operated activation member.

A disc spreader uses a cellular wheel sluice to meter seed flow from the container to the collecting hopper.

Diesel oxidation catalyst paired with ammonia addition devices and a wall-flow filter substrate enables selective catalytic reduction of nitrogen oxides.

Composite construction reduces tip temperature and mechanical stress while simplifying manufacturing.

An electronic control unit restricts sequential shift operations to manage particulate matter removal filter temperature.

Segmented delivery system maintains high storage capacity while resolving low-pressure performance bottlenecks for vehicle engines.

Hydraulic compression of fuel-air mixtures in a prechamber achieves autoignition, eliminating sparkplug wear and extending service life.

Atomic rhodium dispersion on layered ceria converts exhaust pollutants while minimizing precious metal loading.

A vehicle positioning system adjusts platoon formation based on emissions device temperatures to optimize engine load.

Spirally winding inorganic fiber mats around exhaust gas treating bodies without cutting inclined faces, reducing wind erosion damage and production costs.

A thermally insulating bridge structure on the inlet core plate mitigates hot spot formation by preventing direct thermal contact with high-temperature air.

Dual heat exchangers adjust gas fuel flow ratios based on temperature thresholds, resolving precision issues caused by density variations.

A stair system on a shovel rotating upper body positions a urea water tank beneath the tread boards to optimize spatial usage.

Mounting the nitrogen oxide removal case on the vehicle frame via support bodies maintains exhaust gas temperature while improving maintenance access.

A two-stage reduction system combines selective non-catalytic and catalytic methods to remove nitrogen oxides from exhaust streams.

Nested cylinders route flue gas through an air homogenization chamber, resolving large reactor size and insufficient mixing homogeneity in limited cabin spaces.

Diverting a hot exhaust gas stream around the turbine accelerates soot burnoff and ensures reliable regeneration during low-load engine operation.

A control unit estimates adsorbed ammonia on an SCR catalyst to correct urea aqueous solution dosing amounts.

A bypass flow path with a fan and heating apparatus circulates hot air to warm the catalytic converter.

Segmented elastic tongues in a single sheet metal part provide sufficient contact area for high current transmission while maintaining low manufacturing cost.

Segmented modules replace fixed geometry to adapt intake systems to different engine configurations without re-machining.

Automatic engine shutdown reduces fuel consumption and emissions in non-hybrid vehicles by monitoring vehicle state conditions.

A dual-variable control strategy manages diesel exhaust fluid delivery pressure by decoupling pump speed and backflow valve actuation into independent loops.

An integrated vane-open stop in a variable-geometry turbocharger regulates the full open position of guide vanes.

Automated neural network architecture search maximizes mutual information between training images and model structures to determine optimal parameters.

A return line routes excess gas from the second line section back to the tank ullage space.

Curved and inclined intake conduit sidewalls generate swirl flow for uniform reductant distribution in SCR systems.

A silicon carbide heat exchanger uses a ceramic or graphite retention member to secure the unit within an exhaust pipe.

A controller notifies drivers before deactivating electrical power consumers during engine stop/start cycles.

A dual metering valve system uses a common pressure line to simultaneously inject reducing agent solution into an exhaust stream.

A spring-loaded check valve in the positive crankcase ventilation line regulates blowby gas flow to the turbocharger inlet.

A turbine system uses a pneumatic valve and bypass channel to regulate exhaust gas flow between two turbine devices.

Segmenting gas and liquid fuel pipes across cylinder head covers isolates exhaust heat, reducing pressure loss.

A fluid outlet directs a high-pressure blast onto an exhaust gas sensor to mechanically remove soot deposits.

Guide elements on the eccentric nozzle redirect fuel flow to improve mixture homogeneity and reduce soot emissions.

A dual-chamber gas analyzer uses a beam splitter to direct light signals to separate detectors for independent concentration readings.

Asymmetric placement of lateral exhaust treatment units and urea tanks balances tractor mass while maintaining operator visibility.

SSZ-101 molecular sieves achieve enhanced selectivity for gas separation and olefin conversion by varying tetravalent to trivalent oxide mole ratios.