Internal Combustion Piston Engines TRIZ Cases

Aligned plate openings create a hydraulic duct that removes entrained air, eliminating separate tubes and mechanical seals in the cooler.

An intake manifold wedge directs condensed water away from critical cylinders, preventing engine misfires and torque loss.

Divides the operating field into zones with specific anti-knocking corrective values, switching reference settings when knock thresholds are exceeded.

Controller delays engine restart for rear defroster activation, preventing battery drain when charge is insufficient.

Optimized particle size distribution in a multi-layer catalyst composition maintains high conversion rates across wide lambda fluctuations.

A spherical particulate matter sensor uses flow tubes to direct exhaust gases and shield the internal element from contaminants.

An adjustable extraction line adapts its length to fit container wall distances.

A closed cycle combustion system filters exhaust gases to separate components while enriching fuel with hydrogen and oxygen for efficient burning.

A flywheel clutch system captures transient mechanical energy from exhaust heat to supply off-road machinery power demands.

A turbine dosing module mounts within the outlet passage to inject aftertreatment fluid directly into high-energy exhaust gas flow.

An injector mounting assembly integrates a thermoelectric cooler to extract heat from the injector body.

A post-shutdown control strategy activates an air pump and DEF injector to load an SCR catalyst with ammonia, eliminating NOx spikes during cold starts.

An exhaust gas turbine drives a secondary generator while an upstream compressor adjusts flow dynamics in the exhaust stream.

A modular induction system breaks down nitrogen oxides in marine diesel exhaust using seawater and air pressure.

A porous filter separates contaminants from liquid additives by forming a self-sustaining cake layer on its surface.

Concentrating rhodium in the upstream upper layer overcomes insufficient warm-up purification by maximizing catalytic activity where exhaust gases first enter.

A retractable emission filter moves within a gas turbine exhaust path to capture pollutants during low load operations.

A control module automatically triggers the first fill function in SCR systems upon detecting new device installation.

Counterflow urea injection into a dual-zone catalyzed substrate boosts NOx conversion efficiency by maximizing catalyst contact.

A dual fuel injection nozzle delivers a compressed liquid hydrocarbon mixture into an engine combustion chamber.

Nickel-based superalloys for turbine vanes and posts prevent binding under high exhaust temperatures.

Radial interaction between the magnet armature and stop reduces valve element deflection, enabling higher opening speeds without mechanical friction.

A tandem catalytic converter uses varying cell densities across two substrates to optimize exhaust flow distribution.

Welding new tips to reused prechamber bodies prevents corrosion damage and extends device lifespan.

A three-way catalytic converter uses an inhomogeneous distribution of oxygen-storing material to enhance catalyst effectiveness.

A divided exhaust engine system integrates primary and non-primary EGR cylinders to streamline exhaust routing.

Segmented combustion chamber prevents engine knock at high compression ratios by staging ignition through a dedicated prechamber.

Mounting the turbine axis transversely allows a larger turbocharger to fit in limited machinery space while reducing NOx emissions.

A resonator divides its chamber with a rib creating an annular space that traps an air layer, preventing leakage flows without complex mechanical seals.

A turbocharger 3-way valve directs exhaust gases directly to the catalyst, bypassing the turbine housing to reduce heat sink effects and accelerate light-off.

Flow deflection areas in the inlet section enable counterflow heating of aqueous urea, ensuring uniform distribution and quantitative decomposition.

A linked venturi insert system prevents tube shifting during operation, ensuring consistent spatial orientation and reliable fuel delivery across all cylinders.

Segmented exhaust flow heats a finned septum to evaporate urea, reducing crystal deposits while minimizing backpressure.

An air intake assembly uses an elliptical inlet and circular outlet to route airflow through a velocity stack for smooth engine delivery.

Multiple ultrasonic sensors and heaters determine liquid presence when single-point detection fails.

A diesel fuel supply circuit uses a valve-controlled cooler to shift between cooling paths for incoming and returning fuel.

Adjustable piston crown bowl geometry generates tumble motion to improve air-fuel mixing uniformity while reducing heat loss to cylinder walls.

A method measures downstream oxygen sensor voltage rise time to assess catalytic converter condition using existing vehicle probes.

A fluid injector director plate uses a variable cross-section channel to create a venturi effect for improved atomization.

Monitoring exhaust temperature triggers hydrocarbon injection to sustain catalyst light-off, reducing electrical energy expenditure during low-load phases.

Varied injection hole crossing angles stabilize fuel flow velocity, preventing coarse particle generation and harmful emissions from valve attachment.

A reducing agent supply method monitors accumulator fill levels and exhaust gas mass flow to manage storage capacity.

Polyethylene coatings on metallic inserts resolve thermal expansion mismatches between metal and plastic, ensuring leak-tight connections for effective heating.

A floating ball valve member self-centers within a turbocharger wastegate port to maintain consistent sealing contact with the seat.

A solid adblue ammonia supply device uses heating and sublimation to generate gas for exhaust purification.

A fuel separator routes less volatile hydrocarbons to a catalytic reduction subsystem, replacing toxic urea reagents with common fuels.

Approximating convolutional filters with binary components converts MAC operations into logical XNOR and population count steps.

Dynamic pulse width modulation of a flow control valve suppresses air bubble formation while ensuring complete thawing for accurate concentration determination.

A tubular exhaust receiver integrates a resonance absorber to attenuate pressure pulsations in large two-stroke engines.