Internal Combustion Piston Engines TRIZ Cases

A flow controlling plate directs gas through a hollow filter to stabilize speed distribution across the filtration surface.

Overlapping end layers on a wall-flow partition reduce pressure loss while preventing harmful component slip through.

Hydraulic drive actuates pump assembly to move liquefied natural gas, reducing system complexity while maintaining cryogenic temperature.

Vertical turbocharger stacking frees underbody space, allowing larger catalytic converters near the engine to reduce heat input and logistics costs.

Segmented intake ports create counterclockwise and clockwise flows that cancel swirl direction flow, improving combustion efficiency of atomized fuel particles.

Segmented piston geometry manages tumble vortex flows to maintain stable combustion efficiency across varying engine load conditions.

Segmented wastegate components replace prematurely worn parts caused by high engine temperatures, extending lifespan without full unit replacement.

Electrodes penetrate thermoelectric materials to merge components, eliminating bonding interfaces that separate under exhaust heat and vibration.

An idling stop device adjusts the engine start speed threshold using external environment recognition to optimize fuel economy.

An intake valve bearing arm extends along the partition wall to create a dedicated welding zone.

Segmented inclined heat exchanger portions radiate heat across the height of a reducing agent tank, preventing freezing and uneven temperature distribution.

A fluid spray nozzle tip design uses offset feed holes intersecting the outlet to generate immediate swirling flow and conical spray formation.

A controller calculates a composite ACN value from ammonia to NOx ratio, conversion inefficiency, and NH3 slip data.

Segmented runners with varying lengths and cross-sections adapt airflow paths to engine speed, resolving performance gaps in single-passage designs.

An asymmetric multiple cylinder engine with a shared combustion chamber reduces vibration through staggered firing sequences.

A turbocharger control system freezes the integral term when actuation limits are exceeded to maintain boost pressure tracking accuracy.

An exhaust gas recirculation cooler transfers heat from exhaust gases to a cooling medium for engine and cabin use.

Routing the intake duct horizontally through cabin space avoids dust while shortening length, reducing resistance, and preventing filter clogging.

A wavy flow distributor plate offsets thermal expansion with mechanical stress distribution, preventing warping and maximizing catalyst surface utilization.

Inverting the air inlet forward reduces drag while a centrifugal separator blocks water intrusion to boost engine output.

Airless nozzle and fueling system generates pulse width modulation signals to control spray of fuel droplets for combustion.

A clamping spring preloads a lever relative to a guide piece pin, maintaining defined radial and axial play to reduce vibration-induced wear at the connection.

Electronic control unit modulates engine speed and torque commands based on ground speed data to optimize powertrain output.

A bio-soluble inorganic fiber insulation mat uses entangled alkaline earth silicate fibers to retain thermal energy within automotive exhaust systems.

A heat source in the inlet manifold sump vaporizes liquid condensate into steam for continuous air flow.

Reciprocating valves and non-stick coatings prevent urea crystal clogging in air mixing devices, ensuring reliable exhaust system operation.

Axial piston motor employs insulated axial heat exchangers to recover exhaust waste heat, reducing material stress from temperature gradients.

A catalytic particulate filter burns soot and oxidizes hydrocarbons using exhaust heat to maintain continuous engine operation.

Engine coolant heats vegetable oil via heat exchange, reducing viscosity without straining the alternator or risking fluid contamination.

An air-assisted fuel dosing module generates an air-fuel fluid to clean particles from the nozzle and dosing line.

Air amplifier entrains ambient air into exhaust pipes, lowering gas and component temperatures during high heat regeneration cycles.

A control unit adjusts reformed-gas flow during engine startup to maintain stable air-fuel ratios.

A multilayer exhaust catalyst uses a palladium concentration gradient to accelerate substrate warm-up.

A multi-energy-form output energy tower integrates steam and organic Rankine cycles with absorption cooling to recover waste heat from gas engines.

A downstream e-booster supplies immediate boost pressure at low engine speeds, resolving turbo lag and improving acceleration response.

A pivotable throttle element connects a secondary passage to the intake stream during idling operation.

A ported turbine shroud directs exhaust fluid through an additional passage to increase total flow capacity within a compact turbocharger design.

Positioning the injection device within 30 mm of the element face utilizes laminar flow to resolve turbulence-induced non-uniformity.

Heating the measurement duct above the dew point prevents condensation while purging clears residues, extending sensor lifetime.

A gas engine power plant uses a heat transfer circuit to evaporate liquefied natural gas fuel via engine waste heat.

Sidewall protrusions in a flow redirection conduit distribute exhaust gas uniformly, reducing pressure drop and improving fuel economy.

Hydrogen co-fuel injection improves flame propagation to reduce NOx emissions from ammonia engines.

Orienting prechamber openings relative to the thread start resolves unpredictable ignition torch orientation in lean-burn engines.

Concentric control valve members enable independent dual fuel injection, resolving complexity trade-offs via merging and nesting principles.

A fuel inlet valve barrier element creates a leakage detection space between inner and outer walls to identify fluid loss.

Entwined elongate mat strips overlap to form a continuous sealing layer, eliminating custom cutting for size variations.

Virtual temperature sensing eliminates internal sensors in flash-boil dosers, preventing leak paths and lowering manufacturing costs.

An alumina-based dummy coating layer absorbs phosphorus and calcium from exhaust gas, protecting active centers and maintaining purification durability.

An asymmetric cavity shifts the wall surface to extend the distance between the fuel injection tip and the opposite wall.