Internal Combustion Piston Engines TRIZ Cases

Horizontal C-tanks in dedicated fuel rooms minimize pipework length to reduce gas leak risks while preserving cargo volume.

Vertical EGR passage guides exhaust gas upward, preventing condensed water from accumulating in the laterally disposed purifier and causing corrosion.

Segmenting the catalyst volume allows rapid heating while preventing rich blow-outs that increase emissions.

A ferritic stainless steel forms a protective oxide film containing Cr, Si, Nb, Ti and Al to prevent oxidation.

Segmented guiding structure with tapered sleeve balances pressure between fuels, preventing mixing and leakage under high pressure.

Doses hydrocarbons into an oxidation catalyst to measure temperature signatures, resolving uncertainty in non-intrusive SCR feedgas diagnostics.

Induction heating dries colloidal silica coatings uniformly, preventing cracks in ceramic honeycomb structures.

A feed device vents air from fluid lines using a selective membrane, preventing metering errors caused by trapped gas during restart.

Integrating a flow deflection unit into the fluid inlet redirects coolant flow to ensure uniform distribution and reduce boiling risk in the inlet area.

Circularly arc-shaped cylinders and opposing pistons convert combustion force directly into rotational motion, eliminating mechanical dead points.

A reducing agent tank positioned above a partition plate utilizes natural air flow to dissipate heat from nearby control valves.

A holding device with a cooling-water jacket forms a unified chamber to secure and cool an injection valve in an exhaust-gas burner.

Ceasing ammonia injection creates a NOx-rich exhaust condition for accurate sensor diagnostics and reduced troubleshooting time.

A double turbine energy recovery system captures exhaust enthalpy from recirculation and discharge circuits to generate electrical power.

A multifuel system enables interchangeable storage and precise metering of diverse fuel types using compact electronic control mechanisms.

Regulator and waste-gate valves control exhaust flow dynamics, resolving the trade-off between adaptability and device complexity in turbogenerators.

Funnel branching and curved duct geometries minimize flow resistance to enhance nitrogen oxide reduction efficiency without increasing engine back pressure.

Always-open fuel admission ports convey gaseous hydrogen directly to the combustion chamber via fluid conduits in the cylinder head.

A half-axial turbine design uses a tongue slide to adjust the flow cross section of the exhaust gas duct.

A dynamic soot layer state correction factor adjusts pressure drop estimates to maintain accuracy during regeneration.

Connecting the urea mixing pipe inlet to the SCR case outlet resolves engine oscillation damage while enabling compact NOx sensor installation.

Wave-like bent flat strip heating conductor eliminates thermal inertia from insulation, enabling rapid exhaust gas treatment unit activation.

Optimizing the distance ratio between the heat sink fins and guide plate balances temperature differences against pressure drops for better power output.

Vertical exhaust manifold and secondary air components nest within the cylinder block side to resolve spatial constraints in outboard motor engines.

A parallel exhaust gas turbocharger system uses an electric drive device to generate torque for the compressor at low engine speeds.

Positioning the partition plate near but not overlapping the fragile part prevents interference, enabling reliable bending during rear collisions.

A consolidated after-treatment module integrates SCR catalyst, NOx sensors, and a controller within one housing.

A charge air cooling system uses pressurized air heat to gasify liquid ammonia fuel.

Merging the charge air cooler into the manifold volume eliminates long ducts that cause turbo lag, noise, and vibration while maintaining efficient cooling.

A control section estimates ammonia adsorption in the first adsorption state to regulate urea supply within a specified level.

Vertical stacking of exhaust gas processing devices with partial overlap reduces vehicle body size while maintaining emission control capability.

A three-way catalyst traps volatile vanadium and tungsten compounds to prevent toxic emissions while reducing NOx and ammonia slip.

Segmenting video into snippets enables dynamic inconsistency modeling via intra and inter vectors, resolving frame level accuracy limits.

Separate thresholds for differential pressure and engine emission estimations reduce unnecessary particulate matter burning frequency, improving fuel economy.

Self-releasing flexible membrane isolates service fluids in multi-chamber containers, preventing leakage during vehicle impact events.

A heat jacket forms a convection zone that draws ambient air into the exhaust stream, lowering gas temperature without increasing back pressure.

Segmenting tubular heaters into adjacent units prevents thermal stress breakage while maintaining high heat transfer efficiency.

Directly fixing the gas supply valve to the cylinder head displaces structural constraints from the collector box, enhancing rigidity against vibrations.

Exhaust flow director with overlapping vanes creates vortices to attenuate sound levels within a compact enclosure.

Adjusting the swirl duct cross-section ratio relative to the spray orifice enables high atomization quality while maintaining small spray angles.

Nesting the pump drive unit inside the inner vessel increases fuel storage volume, preventing hydraulic line freezing through vacuum insulation.

A constant volume reductant injection system delivers precise DEF pulses to an exhaust stream.

Segmenting the system into per-cylinder turbochargers reduces rotational inertia and eliminates turbo lag across wide speed ranges.

Dynamic exhaust valve timing adjusts opening sequences to maximize engine braking power while maintaining design limit safety margins.

A hydrocarbon inlet assembly introduces fuel into exhaust gas via a bypass flow channel to generate heat for catalytic reactions.

Varying heat transfer zones along the exhaust flow prevent uncontrolled ignition by capping outlet temperatures while maintaining inlet oxidation efficiency.

Dynamic programming selects genset operating points to minimize fuel consumption.

A cylindrical sensor assembly directs exhaust gas through perforations to ensure uniform deposition while isolating water condensation in a protective dome.

Stabilizes soot load density in a diesel particulate filter coated with a NOx reduction catalyst, eliminating active regeneration fuel penalties.