Internal Combustion Piston Engines TRIZ Cases

Segmented support structure with insulating pins bridges honeycomb bodies to enable stable electrical isolation and efficient heat transfer.

An ammonia generating catalyst converts stored nitrogen oxides into ammonia using a platinum-palladium ratio greater than one.

Segmented chambers with independent spark plugs resolve high-load knocking by adjusting ignition sequences for stable flame propagation.

Integrated cam lobe on rotatable crankshaft drives two-stroke engine valves, eliminating separate camshaft drives and reducing parasitic losses.

Concentric wrinkled pipes heat coolant through counter-flow exhaust gas, increasing surface area while reducing flow resistance.

A dynamic bidirectional valve timing control system adjusts intake and exhaust camshafts independently to optimize overlap conditions.

External fuel injection unit injects premixed gas into active flow, resolving the trade-off between mixing efficiency and inner wall strength.

A diesel exhaust aftertreatment system uses a pressure sensor and controller to monitor metering injection module performance.

Elastic C-shaped clamps secure a thermally conductive cover to the injector body, preventing ice accumulation at the connection tip without complex assembly.

A rotary synchronized combustion engine uses wing sections to compress air-fuel mixtures and drive axial rotation.

Slip joint seals with axial tolerance gaps allow lateral component removal, resolving the contradiction between compact packaging and ease of repair.

Dividing and cooling exhaust gas part-streams decouples thermal load from air/fuel ratio, resolving stoichiometric simulation limits.

Controller estimates exhaust air mass-flow using differential pressure and temperature sensor data.

A gas driven motor uses a curved vane and pivoting shutter to convert low pressure flow into rotational motion.

A rotary engine uses a fixed center member between rotating cylindrical members to manipulate fluid flow within the housing.

A three-region inner surface prevents solid deposits at the injector orifice while ensuring consistent mixing of fluids in a curved emission cleaning path.

Insulated conveying means prevent heterogeneous cooling of recirculated exhaust gases by supercharging air, ensuring uniform intake temperature.

Adjusting braking force thresholds by vehicle speed increases automatic engine stop opportunities while maintaining safe braking performance.

Integrally cast cylinder head with turbocharger housing directs exhaust flow through a compact turbine inlet duct.

Merging primary and secondary fastening functions reduces manufacturing complexity while maintaining attachment reliability under thermal stress.

A common rotary axis drives independent throttle valves in multi-cylinder engines, preventing exhaust interference and boosting low-speed torque.

Antioxidant-modified organic binder in exhaust mounting mats maintains holding pressure across temperature ranges.

Current through stator coils generates heat to warm the pump and tank, preventing urea freezing during cold engine startup.

Standard temperature sensors measure exhaust gas differences to detect evaporator leaks during engine operation.

A thermoelectric generator mounted on an exhaust component converts thermal energy into electrical power.

Contracting exhaust passage sections rectify gas flow for uniform distribution, resolving efficiency and complexity trade-offs.

A segmented exhaust gas cleaning device positions an SCR catalyst upstream of a particle filter to reduce nitrogen oxides efficiently.

Heat recovery from exhaust gases raises intake temperature during part-load operation, increasing combustion efficiency and reducing thermal losses.

Slits in the wiring line root section prevent comb teeth breakage by minimizing inward shifting during thermal cycles.

Control device prevents excessive temperature rises by enforcing a cooling period before resuming energization.

A diesel exhaust fluid tank venting system uses a semi-permeable membrane to separate vapor from liquid within the breather valve.

A method for emptying an SCR reducing agent delivery system using a reversing valve to switch between delivery and return operations.

Segmented injectors deliver reductant asynchronously from a single tank, resolving delivery lag that degrades catalytic conversion efficiency.

A vehicle control means switches hydrogen filling methods to maintain tank capacity.

An external air blower forces ambient air into the exhaust stream downstream of the aftertreatment system to mix with hot gases.

Segmented lean NOx traps operate at distinct temperatures to maintain nitrogen oxide purification during high-load acceleration.

An integrated turbosonic generator recovers exhaust energy to charge batteries while attenuating noise through sound-absorptive packing material.

A shielding wall between the cylinder and second fuel pipe blocks heat transfer to prevent vapor lock in internal combustion engines.

A parking lot space prediction system uses graph attention neural networks to determine local correlation vectors from sensor data.

Temperature sensor detects eutectic point and triggers agitation to prevent concentration separation caused by specific gravity differences.

A urea water supply valve integrates a cooling unit to regulate temperature via engine-driven circulation.

Dual catalysts reduce particulate matter, hydrocarbons, carbon monoxide, and nitrogen oxides from spark-ignited engines without active regeneration.

A Coanda effect chamber introduces fresh air into exhaust streams to enhance oxidation processes, reducing backpressure and overheating in diesel engines.

Pressure sensors monitor pulsations in separate sublines to identify specific cylinder bank faults without adding complex valve phases.

A dual-path exhaust system directs gas flow through control valves to drive turbines during low-load marine engine operation.

A compact selective catalytic reduction system integrates a vaporizer module to decompose urea using exhaust heat.

A multi-port air intake apparatus uses asymmetric valve rotation angles to ensure sequential sealing contact across all ports.