Internal Combustion Piston Engines TRIZ Cases

Tensile stress secures the pivot joint to reduce wear and extend service life while positioning the locking element away from heat sources.

A heater pre-warms the filter for reliable regeneration during shutdown events, preventing excessive thermal stress that degrades the component.

Bypass pipelines route high-temperature exhaust gas directly to SCR and DPF units, resolving low carrier temperatures during cold start conditions.

Incorporating lubricants into a non-woven mat reduces cold peak pressure during assembly while maintaining high-temperature holding force.

A valve actuated by the fastening member controls fluid flow between engine units.

A tilting piston portion modifies the combustion chamber geometry to facilitate flame propagation through the cylinder head.

Periodic DEF modulation allows the control unit to filter sensor signals and distinguish ammonia from nitrogen oxides, preventing excess reductant release.

A vehicle auto-stop start system enables temporary driver deactivation of engine stop functions.

External PTC heaters on layered tank walls prevent urea freezing while shielding components from chemical damage.

A fluid selection valve unit uses a segmented seat and valve member to vary passage area gently with opening degree for precise exhaust gas flow control.

Upstream placement of a thin-walled SCR monolith reduces thermal inertia, enabling faster light-off and lower back pressure for lean-burn engines.

Radial fuel jet redirection via asymmetrical piston bowl protrusions reduces heat rejection and emissions by ensuring uniform combustion in swirling cylinders.

A graphite sheet with low Young's modulus acts as an intermediate layer between a cylindrical ceramic body and a metal pipe to maintain thermal coupling.

A particle filter system injects pressurized water to restructure accumulated soot particles and maintain filtration efficiency.

Embedded conductor loops enable non-contact conductivity measurement, eliminating cable breaks and seal leaks caused by vibration.

An annular inclined locker presses a metallic nozzle against a plastic vessel body to resolve material incompatibility leaks in high-pressure gas storage.

Cumulative duration evaluation of electric machine speed prevents premature thermal safety activation, increasing system availability.

A controller calculates a regeneration availability profile using current operating conditions and stored requirements to determine optimal timing.

Non-circular gears in a stationary chamber convert oscillatory motion to continuous rotation, reducing seal complexity and wear.

An electronically controlled tractor adjusts engine speed and transmission ratio to deliver precise hydraulic fluid flow rates to auxiliary outlets.

Modulating ammonia mass flow after the first converter detects deviations early, preventing severe overshooting and maintaining optimal NOx conversion rates.

Distinct heating thresholds optimize nitrogen oxide conversion efficiency while minimizing energy consumption during liquid reducing agent evaporation.

Segmenting the housing from the valve protects components from high temperatures while maintaining precise urea dosing near the turbine.

Splitting turbine exhaust into cooled and pure streams enables economical CO2 recovery while lowering oxygen content reduces NOx emissions.

A charge-air cooler positioned below the compressor uses a stator adapter with an accessibility window for maintenance.

Upstream hydrocarbon injection raises exhaust temperature for stable filter regeneration while preventing catalyst poisoning from excessive fuel concentrations.

A vehicle exhaust pipe structure uses recessed bottom and protruding top portions to manage condensed water pooling within the horizontal pipe sections.

A mono-block reciprocating piston engine integrates an internal combustion section with an Organic Rankine Cycle to capture waste heat.

An ejector nozzle injects high-pressure air into an intercooler outlet tank to discharge accumulated condensate.

A distribution passage routes blow-by gas to dual intake banks, preventing combustion differences between cylinder banks while eliminating extra components.

High-aspect-ratio pores in the catalyst coating enhance gas diffusivity, maintaining NOx conversion efficiency under high intake air mass conditions.

Arc-shaped ridge portions on the piston engage corresponding recesses in the half bearing, eliminating reciprocating slip and preventing fretting damage.

A cooling module routes condenser and charge air cooler airflow to optimize space utilization.

A turbocharger fuel burner generates exhaust gas to drive a turbine and power electrical components during engine shutdown.

Extending the radiator upward between the transmission and diesel engine improves cooling performance while maintaining compact vehicle height.

Bypass valve routes exhaust gas away from the aftertreatment device to prevent soot overload and backpressure buildup during rail tunneling.

Mechanically coupled adjustment device synchronizes bypass valve and flow connection units to resolve pulse charging inefficiencies at low engine speeds.

Segmented outer pipe with closing members enables washing fluid flow through the inner pipe space to remove trapped extraneous matter.

Segmented canisters with an exhaust conduit reduce backpressure while maintaining dwell time for efficient NOX conversion.

Support vector regression models predict initial quantization parameters using target bits per pixel to resolve bit allocation contradictions.

Corrects substance estimation models with downstream sensor data to minimize excess additive usage and ensure emission compliance.

A piston top surface features a dual-layer heat insulating film structure using porous alumina and sealer coatings to manage thermal distribution.

An intake control mechanism transitions conduit length between two states using predetermined torque-based thresholds to eliminate abrupt output changes.

Portable lance with suction generator removes particulates from operational components, preventing atmospheric pollution and component damage.

A pressure sustaining system for an LPG bombe uses a check valve unit to maintain internal air pressure.

An exhaust gas treatment device uses an integral outer wall projection to house conductor tracks and electrodes for direct electrical contact.

A selective catalytic reduction diesel particulate filter control method determines urea injection quantities before regeneration.

A single-axle self-centering pivot feature aligns guide vanes within a variable geometry turbocharger assembly.

Deflector structure positioned between ring seal and flame deck redirects combustion products to minimize deposit formation on engine components.