Internal Combustion Piston Engines TRIZ Cases

A base plate and removable casing move the actuator outside the pressure zone, simplifying service while containing gas leaks.

An e-turbo motor/generator shifts Brayton cycle operating points to cut start-up and shutdown time while sustaining efficient operation.

Sensor-based terrain and inclination detection disables engine stop during trail driving to avoid response delays, shocks, and loss of power.

A nested snap-hook connector and grommet seal protect SCR doser actuator wiring from damage and fluid ingress in exhaust-pipe service.

A submerged starter detector and temperature sensor switch between starter and alternator-starter to avoid flooded or cold start failures.

Routing the pipe below the turbocharger and beside the manifold absorbs exhaust heat expansion while preserving compact ATD placement.

Adaptive switching between single-beam and multiple-beam lidar improves trailer angle detection range and accuracy for autonomous reversing.

Gravity-drained vent pipes keep tank membranes clear during ford crossings, preserving vapor ventilation while blocking water and debris.

Laser cutting replaces punching in brittle iridium prechamber electrodes to prevent cracks, support thin bent legs, and extend service life.

A layered alloy, ceramic wool, and mesh turbo blanket retains turbo heat while staying flexible for removal, reuse, and nearby part protection.

Lean suppression feedback triggers the in-stop system before low-speed entry, cutting rider burden and energy use during stopping.

When engine restart and hill descent braking overlap, progress-aware control preserves target-speed deceleration without power shortfalls.

Two RC paths with different time constants and a comparator capture instantaneous voltage drops for faster, more accurate vehicle ignition detection.

By predicting downhill slopes, the vehicle cools the evaporator and shuts down waste heat recovery to avoid extra torque and overheating.

A shielding sleeve seals and reinforces the exhaust gas heater wire joint to block liquid ingress, corrosion, and vibration damage.

Vehicle deceleration is used to estimate brake pressure for idle-stop control, removing pedal and pressure sensors while maintaining brake hold.

A conductive core and corrosion-resistant inserts move heat from the prechamber cap to the shell, limiting overheating and preignition.

An eccentrically loaded armature and valve element create a defined closing position that cuts wear, leakage, and dosing variation.

Navigation- and radar-based clutch control enables neutral coasting in autonomous driving while cutting fuel use and avoiding acceleration delay.

Gaussian-based obstacle trajectory shifts mirror perception variability in 3D scenes, improving autonomous vehicle simulation realism.

Guided outside air from an access opening cools the reducing agent pump, preventing overheating and protecting reducing agent quality.

Separate cooling circuits and heat exchangers cool the engine and boosted intake air to preserve utility vehicle power in off-road use.

A two-layer intake passage and resonator layout limits engine-room heat transfer to nearby in-vehicle devices and keeps them within temperature limits.

A segmented front longitudinal beam layout stabilizes the front transverse beam in frontal crashes to reduce cabin intrusion risk.

Multiple angled receivers in one flange cover secure conveyor modules in varying container geometries without rigid base fixation.

Two pressure sensors and a solenoid valve improve reserve gas measurement accuracy while protecting the main sensor from overpressure.

Gaussian-based obstacle trajectory shifts mirror real perception instability, making autonomous driving simulation scenes more realistic and reliable.

A two-stage DPF strategy boosts exhaust flow to verify soot loading before regeneration, cutting unnecessary fuel use and filter stress.

During filter regeneration, the display shows progress and high-temperature exhaust warnings so operators can protect surrounding safety.

Sensors and onboard logic identify additives in refueling tanks and alert on DEF-FSII mismatches before contamination can cause engine failure.

A flat EV platform places propulsion, battery, suspension, and crash systems below the wheels to free body design and reduce interconnections.

Integrated resistive circuits on a T- or Y-shaped shell heat vehicle fluid connections to prevent freezing while protecting the connector.

A split heating and drawing assembly improves SCR tank filtration, sensor integration, and unfreezing while reducing vibration and fill-time limits.

Liquid cooling medium injected into combustion air lowers flame temperature and NOx while vapor in exhaust preserves heater heat transfer.

Particulate and VOC sensing in the vehicle cabin enables diagnosis of hazardous chemicals, occupant events, and vehicle conditions with alerts or remedial action.

Rigid synchronous transmission keeps high- and low-pressure pistons in phase, improving free piston generator efficiency and stability.

Pre-detecting two-wheeled vehicles at red lights delays engine restart until safe passage, reducing wasteful stop-start cycles at turns.

Stricter remote-start limits and ambient detection help prevent indoor exhaust buildup and stop the engine when people are nearby.

Threading the plug body to a defined angular position after cap mounting simplifies assembly and improves pre-chamber jet alignment.

Idle-period sensing isolates the corona igniter’s true resonant frequency, enabling accurate drive tuning for more robust engine ignition.

Brake pressure and accelerator opening are coordinated to enable torque output while braking, cutting launch delay without creeping.

An opposed-piston hybrid generator uses direct injection, ignition aids, and integrated cooling to deliver 5 kWe on medium and heavy fuels.

Priority-based handling of driver and safety start-stop commands shortens engine response time, lowers fuel use, and avoids unsafe starts.

A pressure store captures boil-off gas from a cryogenic fuel tank, compresses it, and feeds the rail to cut fuel loss and tank pressure issues.

Balanced prong and gap geometry equalizes central and outer electrode wear, extending spark plug life in high-compression gaseous-fuel engines.

Predicts intersecting vehicle paths and selects safe acceleration or deceleration strategies to reduce collision risk while preserving comfort.

Discrete hydrophobic spacers cut wetted contact between movable container parts, preventing freeze lock and lowering separation force at low temperatures.

A third connection element reroutes exhaust heater power links around the heating element to save space and ease wiring in tight vehicle layouts.

An internal reservoir and flow passage manage residual gases in a prechamber spark plug to limit pre-ignition without added complexity.

A thermally integrated catalyst aftertreatment system directs diesel exhaust through a static metallic mixer to decompose DEF into ammonia.

A urea water tank ventilation device uses an exhaust hole with a sliding member to relieve internal pressure during injection.

A pneumatically actuated valve system uses intake pressure to control poppet valve movement without external power sources.

Estimating the NO2 to NO molar ratio upstream of the SCR catalyst using oxidation residence time maps.

Dynamically adjusts droplet size and delivery pressure based on exhaust gas velocity to prevent deflection and ensure uniform coverage.

Periodic reactive mixture pulses create viscous heating that raises the freezing threshold by 2°C without increasing energy consumption or system complexity.

Optimized nozzle hole curvature suppresses turbulence and maintains consistent mixed gas density around the ignition plug.

A driveline disconnect clutch control system adjusts engagement parameters to optimize hybrid powertrain operation.

A particle filter system estimates soot load by measuring differential pressure only when exhaust volume flow exceeds a defined threshold.

A urea water temperature sensor diagnosis system compares measured temperatures with ambient levels to detect failures.

A control method transforms engine torque references into ignition advance setpoints to manage combustion timing.

A rotary engine vane actuation system dynamically adjusts vane position to optimize chamber volume.

A heat exchanger system adjusts heat medium temperature to maintain flue gas preheating levels.

An expansion region upstream of a first bend diffuses exhaust gas flow, reducing pressure drops and maintaining enthalpy during the 180-degree turn.

A pneumatic compressor recirculation valve system manages airflow using an aspirator and vacuum reservoir to maintain stable engine operation.

A lane change decision model calculates risk factors using vehicle position and speed data to guide safe maneuvers on multi-lane expressways.

A segmented stator holder isolates motor vibrations from the housing while conducting heat directly to the outer frame.

Optimized zirconium cerium yttrium oxide ratios resolve the trade-off between thermal stability and reducibility for exhaust gas treatment.

Integrated PTC heater and compensation insert manage pressure jumps and freezing to protect delicate functional devices.

Integrating catalytic converters with heat exchangers reduces exhaust backpressure while maintaining optimal catalyst operating temperatures.

A turbine wheel features a conical transition between the weld hub and backwall to reduce stress concentrations.

Upstream precursor decomposition prevents catalyst fouling while maintaining high conversion rates.

Dual adjacency matrices capture space and time dependencies in traffic flow forecasting, resolving accuracy versus complexity trade-offs.

Segmented outlet tube and baffle plate create complex mixing paths, resolving the trade-off between NOx sensor accuracy and device volume.

Electric supercharger shares boost load with turbocharger compressor, reducing outlet temperature and preventing hardware failure under high load.

An adjustable axial calibration device braces a deformable element against pressure fluctuations, ensuring precise dosing and reliable additive delivery.

Asymmetric nozzle holes equalize torch jet injection strength to prevent knocking from uneven flame propagation in gas engines.