Internal Combustion Piston Engines TRIZ Cases

Processing circuitry calculates Methane numbers using selectable protocols to resolve inconsistencies across regulatory standards.

An upward-tilted negative pressure tube prevents oil infiltration into an auto fuel cock while enabling engine miniaturization by reducing connection distance.

Extended drive shaft eliminates coupling elements to resolve complexity and reliability trade-offs in EGR valves.

Radial heat exchange pins expand the contact area between exhaust gas and thermoelectric modules, resolving low heat conveyance rates in vehicle generators.

Metal injection molding creates heat-resistant coupling rods for exhaust-gas turbochargers, overcoming size limitations of traditional machining.

A vehicle automatic travel control device calculates end point speed using energy conservation laws to optimize inertial travel distance.

Extraction of heated pins from the substrate creates turbulence that accelerates light-off temperatures and reduces power consumption.

Convex curve hole edges deflect incoming fluid to attach to the surface, creating laminar swirling flow that enhances velocity while allowing modular stacking.

An IoT management platform predicts passenger flow to determine optimal metro departure intervals.

A fuel injection unit uses a separator and rotating blade to divide intake air channels for precise fuel delivery.

Integrating the battery into the charge air path eliminates separate liquid circuits, reducing weight while preventing electrical short circuit risks.

Spherical combustion chamber with cone extensions increases burn length while reducing surface area, resolving incomplete fuel burn and heat loss.

Segmenting the exhaust path with a bypass valve and catalyst enables fast light-off, resolving the trade-off between conversion speed and system backpressure.

Controller synchronizes heater and coil current to thaw reductant tank and injector simultaneously, eliminating thermal shields and sensors.

Segmented containerized modules resolve transportability constraints by enabling parallel operation for scalable power generation.

An intermediary plate member absorbs relative positional shifts caused by thermal expansion, preventing seal ring wear and maintaining stable performance.

Divisional piece with high corrosion resistance protects exhaust passage near urea water addition point.

A vehicle lidar fault diagnosis method compares real-time point cloud data with standard references to detect sensor anomalies.

A weak tumble flow system uses a reentrant combustion chamber to accelerate flame propagation in natural gas engines.

A piston combustion bowl incorporates a failure initiation structure to trigger controlled fracture under excessive load.

A rotary engine seal uses a metallic member to shield the elastomeric member from combustion gases, mitigating leakage and thermal damage.

Transition metal oxide anchors noble metal particles on alumina supports, preventing high-temperature coagulation and maintaining catalytic activity.

Backflow channels recirculate enriched mixture to homogenize air-fuel distribution within the pre-chamber body.

A mixer plate with angled louvered vents in the confluence section improves exhaust gas distribution uniformity while maintaining compact manifold dimensions.

Segmented sheet metal scroll members minimize exhaust gas heat transfer to the housing, improving catalyst warm-up during cold starts.

Stacked disks with spiral channels generate pressure drops for urea flow measurement in SCR systems, reducing clogging and leakage risks.

Controller estimates ammonia adsorption amount based on sensor data and adjusts reducing agent supply to maintain catalyst performance within target range.

A vehicle engine control system manages automatic restarts based on gear lever positions to optimize fuel efficiency.

Segmented seal surface design with varying overhang heights balances sealing contact and flow area.

A fuel supply device gasifies liquid LPG using a submerged air distributor and heating circuit to create an optimal air-fuel mixture.

Integrating a rotating protuberance into the vane lever eliminates frictional wear from stationary axial stops while reducing part count.

A dosing control system applies a weighing factor to limit commands, optimizing reductant injection rates.

Incorporating ruthenium into the three-way catalyst reduces ammonia emissions below regulatory limits without increasing system complexity or cost.

A pressure-based soot sensor measures particulate accumulation via piston displacement.

Bonded injection valve and heat sink structural unit prevents exhaust line overheating in AdBlue metering modules.

Eccentric gas exchange openings in the housing enable valve-free flow control for oscillating piston engines.

A pressure sensor detects exhaust air leaks to adjust oxygen sensor diagnostic thresholds for accurate catalyst monitoring.

Deflection edges on piston protrusions redirect the flame plume toward the center axis, minimizing flow losses and promoting soot oxidation.

A return flow passage creates an insulating air layer that suppresses unintended heat recovery during non-recovery modes.

A cylindrical plunger slides within a valve body storage chamber to control multiple bypass air passages in an idle air control device.

Platinum alumina loaded with a barium cocatalyst prevents catalyst deactivation in compressed natural gas lean-burn engines.

A multistage supercharging system uses high-pressure and low-pressure compressors to deliver uniform air supply across engine cylinder groups.

A diagnostic method calculates a criterion from reducer mass consumed during regeneration to determine nitrogen oxide trap status.

Inter-stage cooling in a two-stage catalytic converter expands the air-fuel ratio compliance window for spark-ignited engines.

Variable wall thickness in the turbocharger inlet port absorbs thermal expansion stress, preventing strain on peripheral components.

A urea tank filler neck integrates a magnetic misfuelling protection device and an elastic filter element for versatile filling.

Merges tank, vaporizer, and valves into one unit. Helical tubes prevent ice build-up on external components while minimizing installation complexity.

A two-port integrated exhaust manifold separates cylinder runners into distinct ports within the cylinder head to maintain high exhaust flow velocity.

Dynamic nozzle control balances exhaust gas temperature against condensation risks, maximizing thermal efficiency while preventing component corrosion.

A pre-chamber engine uses a specific sub-chamber to stroke volume ratio to control flame momentum during ignition.