Reactant Parameters Control TRIZ Cases

A fuel cell system controls compressor supply flow to stabilize cathode gas delivery.

Partition wall in adapter suppresses heat conduction between fuel cell stack and power converter.

Segmented pressure chambers balance high flow rates with stable control, minimizing overshoot during valve opening.

Variable pressure increasing rates stabilize anode gas distribution, preventing cell deterioration caused by uneven flow during load changes.

A dual-structured fluid tank uses a rotary injection pipe to maintain reliable fuel supply regardless of orientation.

Guide rib directs liquid water away from fuel cell inlet, reducing concentration by 67-83%.

Vertical manifolds with lower discharge outlets resolve water retention issues, reducing system size and eliminating complex separators.

Segmented operational modes correct sensor measurement errors in hydrogen supply pressure, maintaining stable control values across varying current loads.

A fuel cell uses a liquid sodium-potassium alloy as the anode reducing agent to generate electrical power through electrochemical oxidation.

Expanded plastic carrying container guides reactants to fuel cells.

Reversing fuel and air supply directions removes electrode impurities and targets localized overheating, maintaining continuous energy efficiency.

A metal oxide gas sensor detects hydrogen via local self-heating and resistance changes.

Integrating the fuel supply pump with the vaporization section eliminates separate piping, reducing overall thickness and preventing leakage for stable power.

An integrated safe valve combines overpressure relief and fuel discharge functions into a single assembly.

A fuel cell shutoff valve supplies hydrogen for post-stop discharge to consume cathode oxygen.

Segmented holder rupture parts isolate external shock to prevent hydrogen leakage and minimize pipe damage in fuel cell systems.

A heating unit warms a fuel cell pressure sensor to release trapped gas components and restore detection accuracy.

Segmented upper and lower pipes prevent syphoning during tank rupture while minimizing stagnant volume.

A cover pipe with a gap isolates the porous electrode from direct contact, preventing damage while optimizing fuel gas velocity.

Parallel ejectors adjust mixing ratios based on temperature to prevent condensed water from entering the fuel cell stack.

Reverse current bias prevents nickel anode oxidation during fuel cell shutdown, reducing transition gas consumption and extending system lifespan.

Switching fuel cell operation between overpressure and reduced pressure limits corrosion kinetics, preserving catalyst durability during low power generation.

Variable oxidant stoichiometry control adjusts air factor to extend compressor continuous-load capacity.

Concentric air circuit thermally isolates the fuel receiver, reducing thermal stress and eliminating heavy heat shielding.

An integral manifold merges filling and supply piping manifolds into a single component with a unified leak checking port.

A fuel cell system uses a heater to warm high-pressure gas before it enters the supply device.

Controller prioritizes opening the longest supply flow path valve at start-up to reduce pressure loss and suppress vibration transfer to the vehicle body.

Flexible fuel cell walls create a pressurized plenum that delivers steady power output without pumps or valves.

Segmenting the auxiliary device case with a partition wall prevents external loads from damaging hydrogen system devices while maintaining compact integration.

A fuel cell controller determines gas quality by comparing post-filling electrical output against reference values.

A fuel cell controller reduces hydrogen supply pressure in two stages to detect leaks using sensor variations.

Housing partition wall shields vehicle side communication device from hydrogen gas exposure while maintaining wireless signal transmission.

Placing the converter in an industrial zone removes irritating ammonia odor from residential areas while maintaining detectable leak concentrations.

A fuel lid control unit manages dispensing communication to preserve battery charge levels in fuel cell vehicles.

A hydrogen supply control system uses a mass spectrometer to detect gas concentration directly.

Direct coupling eliminates circulation pipes, reducing component count and system volume while maintaining reliable gas liquid separation.

A hydrogen generator cartridge uses solid heat transfer members to conduct thermal energy from housing elements to reactant pellets.

Variable valve mechanism controls air flow to resolve flooding contradictions while maintaining membrane conductivity.

A blocking plate terminates linear flow channels in a fuel cell bipolar plate to create an interdigitated flow field.

Shield unit blocks exhaust flow to retain hot reaction air, heating the fuel cell without adding complex piping or heat exchangers.

Hollow insert with balanced flow channels delivers hydrogen simultaneously to fuel cells, preventing localized reversed currents and electrode corrosion.

A fuel cell system adjusts oxidant gas flow rate during idling stop to maintain stable cell voltage and prevent electrolyte membrane degradation.

A controller estimates hydrogen concentration in a fuel cell using shutdown duration and air intake data.

A fuel cell humidifier atomizes water into an oxidant flow using a heating element to ensure complete evaporation.

A fuel cell system estimates anode purging amounts by analyzing pressure changes during specific valve states to maintain hydrogen concentration.

Relocating the fuel tank to the center tunnel between frame members increases storage capacity while protecting the tank from accident damage.

A fuel cell system uses a stirring mixer and guide rib to swirl mixed gas and redirect impurities away from power generation portions.

Pressure control lowers ionic resistance and prevents membrane break-through in redox flow battery separators.

A direct alcohol fuel cell uses an oleophobic filter and ventilation holes to manage fluid flow within a compact housing.

Oxygen sensors detect anode gas concentration to prevent reverse voltage deterioration and cathode carbon corrosion during operation.