Internal-Combustion Engine Testing TRIZ Cases

Engine-specific model unit reduces fuel consumption by generating optimized set points based on real-time diagnostics data.

A vehicle control system predicts energy expenditure and generation sections along a route to generate an optimized trip plan.

Sequential heating of the exhaust gas piping member followed by controlled purge gas flow eliminates wall deposits without requiring separate purge gas heaters.

Transforms time-domain acceleration data into image matrices, enabling image-oriented neural networks to diagnose faults without manual spectrum analysis.

An adaptive method calculates expected oil pressure based on engine conditions to detect faults accurately.

A non-optical flame detector analyzes pressure and temperature derivatives to determine combustor flame state without optical sensors.

A rotationally symmetric shield with flanges isolates the sensor module from frame vibrations using push-in fasteners.

Differentiating crankshaft speed signals determines acceleration values for torque estimation, reducing calibration effort and ECU processing load.

Replacing mechanical actuators with an electrical drive eliminates vibrations and noise, resolving data quality issues in rapid compression testing.

A sensor device support profile features a cavern to house bottom-side electronic components on the circuit carrier.

A segmented metal terminal uses distinct materials to maintain electrical contact in high temperature environments.

Dynamic correction based on pressure change rate suppresses measurement accuracy deterioration during rapid pressure fluctuations.

A fluid level sensor monitors diesel exhaust fluid quality using a low power circuit during key-off states.

Isolate engine harmonic noise from sensor data using frequency-domain filtering to improve misfire detection accuracy at high speeds.

Frustoconical end piece blocks direct communication to prevent soot deposition and reduce acoustic wave interference on engine pressure sensors.

Holding the conduction member in a preliminary shaped product eliminates multiple insert-molding steps, reducing manufacturing complexity and costs.

Individual pressure correction factors replace common values, resolving the contradiction between high measurement precision and calibration productivity.

Stabilize unit pump control valves before measuring injection volume to ensure precise performance data.

A dual porous protection layer with graded porosity traps water and poisoning substances, suppressing cracking caused by sudden cooling in exhaust environments.

Segmenting soot measurement into cold start and hot engine phases improves accuracy without adding hardware complexity, reducing unnecessary fuel consumption.

Ultrasonic transducers measure fuel mass flow via transit time, eliminating mechanical wear and pressure loss in high-flow applications.

A clogging determining device calculates pressure reduction amounts in the supply passage to detect valve blockages.

A method using artificial neural networks to predict individual oil wear intervals based on real-time engine operating conditions.

Analyzing crankshaft speed curves detects low-frequency pressure profiles from uncontrolled combustion, eliminating the need for dedicated knock sensors.

Increasing central fuel injection lowers manifold temperature, mitigating pre-ignition without raising particulate emissions or fuel consumption.

Bypass lines divert flow around heat exchangers to reduce pressure losses, extending hold time by maintaining minimum consumer pressure.

A simulation unit calculates load setpoints using a combustion engine mathematical model to regulate an electrical dynamometer.

Constant current supply portion stops current flow between sensor electrodes to enable rapid abnormality detection in gas sensors.

A method estimates enclosed cylinder mass using pressure sensors and thermodynamic models for precise engine control.

Directly affixing a strain sensor to a thin-walled fuel path portion eliminates complex stem sealing structures while maintaining high measurement accuracy.

A fuel property determining device degrades the combustion state to increase variation for precise measurement.

Direct oil sampling from cylinder liner surfaces enables real-time wear detection using capacitance measurement.

Alternating narrow and wide electrode intervals in a particulate matter sensor improve sensitivity while reducing output variability caused by coarse particles.

A fuel flow testing apparatus uses a movable bypass valve to direct fluid through measurement devices.

A spark plug detects ionisation current to identify the compression phase in gasoline engines.

A diagnostic method for active engine mounts using induced vehicle vibrations to monitor operational mode transitions.

A torque calibration method compares vehicle weight values derived from fuel injection and auxiliary brake data to verify engine output accuracy.

A control device manages exhaust catalyst sulfur release using rich components to maintain sensor detection accuracy.

Nitrogen oxide sensor measures alternating pumping currents across three chambers to calculate accurate concentrations during rapid dynamic vehicle operation.

Cameras capture gauge readings and valve positions, calculating deviations from projected heat distributions to adjust operating settings.

A misfire determination device integrates rotational time deviations to identify engine faults.

Extracting electrodes from substrate supports eliminates structural interference, enhancing detection sensitivity and selectivity for oil condition monitoring.

Controller determines SCR efficiency by analyzing inlet and outlet NOx data across temperature ranges, isolating component failures in the SCR, DOC, and DPF.

A diagnostic method determines absolute injection quantities using engine speed profiles during run-up tests.

A control unit calculates a raw detonation index from pressure waves to determine fuel anti-knocking capacity.

A Rankine cycle detection apparatus monitors liquid-phase cooling medium volume and gas-phase temperature to identify specific component failures.

A failure detection device maps sensor data to binary values using condition-based processing for accurate issue identification.

Ending spark discharge early minimizes negative voltage interference, allowing accurate ion current detection for abnormal combustion identification.

A sensor element uses a dense layer and controlled zirconia TM ratio to prevent structural cracking.

A method for testing NO oxidation catalyst function capacity by changing reducing agent concentration in exhaust gas flow.