Combustion Engines TRIZ Cases

Electronic control unit monitors waveform control communication line electric potential to detect signal abnormalities in ignition systems.

An electrostatic motor accelerates a rotor to maintain optimal rotation speeds using corona discharge effects.

Pre-start motor compression maintains air spring pressure, preventing valve damage from leakage and resonance during operation.

A solenoid valve control apparatus maintains maximum pressure on one valve while applying rectangular-wave current to another.

Segmenting the heavy pressure containment from the flow control mechanism reduces regulator weight while maintaining reliable discrete gas delivery.

Reducing nickel content in turbine housing steel lowers material cost while maintaining durability at exhaust gas temperatures exceeding 800 degrees Celsius.

A dual-component fuel injector seal uses a strong sealing ring and a thermally conductive sleeve to transfer heat away from the nozzle housing.

Applying negative voltage to fuel through the injector line increases oxidation rates and reduces unburned pollutant emissions.

Segmenting the combustion chamber into a pre-chamber and main bowl enables controlled jet ignition, preventing knock while maximizing specific torque.

A connecting mechanism with a lever and dual control shafts adjusts the speed reduction ratio across different compression settings.

An internal air compressor maintains pressure in engine valve springs.

Segmented engine breather chambers with a side gas expansion chamber lower blow-by gas velocity, preventing separated oil from reforming into mist.

Optimized prechamber geometry resolves combustion anomalies with less lean mixtures by controlling injector area ratios.

Offsetting the rear frame reduces moving element dimensions while composite stationary panels absorb aerodynamic forces.

Direct crank shaft cam drive eliminates gear train noise and stress while securing unit pumps against tampering.

Threaded adjustment controls crossover flow between circuits to prevent reverse flow damage in high performance engines.

A piston top land with asymmetric circular profiles adapts to thermal expansion and maintains uniform clearance in an opposed-piston engine.

An embedded electrode in a pre-combustion chamber generates plasma to ignite lean fuel mixtures, reducing engine misfiring and unwanted gas emissions.

A head cover oil separator uses a non-linear passage to induce turbulence and separate oil from blow-by gas.

Guide die engages fixed and moveable dies to position the core, eliminating manual arrangement steps.

Electronic control unit monitors output voltage trends to dynamically adjust generator settings, compensating for spark plug wear and clogging.

Stacked breather chambers with a diaphragm valve separate oil mist from high-flow blow-by gas, preventing supercharger contamination.

Segmentation protects erosion-vulnerable fibrous materials from gaseous fluid, enabling cost-effective noise attenuation in turbocharged engines.

An inclined port extension redirects scavenging gas away from the exhaust port using the Coanda effect, minimizing blow-by losses and improving fuel efficiency.

Resilient bypass seal clips secure seals between core and housing to minimize energy loss from bypass flow.

Optimized hydrocarbon blend reduces exhaust pollutants and global warming by enabling complete vaporization and lower combustion temperatures.

Throat corner scoops remove low pressure boundary layer flow from acute angles, preventing engine unstart and improving pressure recovery.

Tertiary amino reaction product removes deposits from fuel injectors, resolving performance loss in low sulfur diesel fuels.

An opening device vents the high pressure intake side to atmosphere during startup, allowing the engine to breathe freely without compressor restriction.

A crankcase ventilation jet pump actively scavenges separated oil using a high-velocity motive fluid stream to create suction pressure.

Auxiliary scotch yoke assemblies pump compressed air into main cylinders, reducing mechanical losses and fuel consumption.

Relocates the breather chamber to the lateral side of the engine to prevent moisture freezing and oil leakage while maintaining compact height.

A galleryless steel piston channels cooling oil across its undercrown surface to dissipate heat without internal galleries.

Inverting the intake and exhaust cycle sequence extends the power stroke, preventing unburned fuel escape and increasing torque output.

Gear reduction system increases torque from electric drive motor to generator, reducing fuel consumption while boosting electrical output.

Concave piston channels guide incoming charge to reduce fresh charge loss while enabling higher compression ratios.

A rough-in sleeve with an offset opening secures a water stop valve during the rough-in stage, eliminating plumber return trips and reducing construction time.

An internal combustion engine arrangement uses an expansion cylinder to compress gas into a pressure tank for later delivery.

Dual shaft charging system recovers exhaust energy to drive a compressor and cooling turbine for compact internal combustion engine power density.

Electromagnetic interstage valve manages cylinder pressure differentials to minimize dead space and optimize thermal efficiency in double piston cycle engines.

Segmented feed ducts isolate pressure pulses from sequential firing, improving charge changing efficiency in compact charging devices.

Wire cage replaces solid spacers to minimize exhaust flow disturbance while maintaining structural stability in variable-nozzle assemblies.

Axially opposed pistons drive a power turbine to transform exhaust gas pressure into mechanical output for the alternator.

Pneumatic valve actuation prevents intake charge escape to exhaust ports, enabling high compression ratios without mechanical complexity.

A reciprocating shuttle valve couples and decouples compression and expansion chambers, minimizing dead space and pressure loss during fluid transfer.

Rotating the nozzle ring relative to the shroud aligns conformal vane surfaces, reducing gas leakage caused by thermal expansion.

Segmented chambers and dynamic valves optimize scavenging and acoustic resonance in two-stroke natural gas engines, reducing harmful NOx emissions and exhaust noise.

Integrating a radius-reducing plate with the turbine cover forms a protrusion that minimizes exhaust gas leakage and improves installation accuracy.

Coupling the air bypass valve only to a grooved flange eliminates steps between parts that compromise seal tightness.

A ducted fuel injection system directs a high velocity fuel jet through a bore to draw in charge gas for enhanced local mixing.