Reactant Parameters Control TRIZ Cases

A controller adjusts anode gas supply pressure to discharge liquid water from fuel cell flow paths.

A hydrogen supply method measures fuel cell stop time to predict residual gas states and adjust anode pressure.

A fuel cell control unit estimates discharged fuel gas volume by analyzing pressure fluctuations in the supply passage during intermittent injection cycles.

An electrochemical sensor array detects hydrogen contaminants in real-time using redox reactions between electrodes and an electrolyte.

A pressure adjusting valve modulates oxidant gas supply to prevent membrane drying while keeping the rotational driving unit at minimum speed.

A buffer tank redirects hydrogen gas during sensor calibration, enabling rapid pressure equalization while eliminating fuel cell operation noise.

A fuel cell cathode control unit opens shut-off valves before anode scavenging to discharge residual water and prevent freezing.

Infrared transmission and reception units detect fuel door and nozzle states, preventing vehicle starting during high-pressure hydrogen charging.

Tapered branch passages in electrochemical devices promote self-reactions over corrosion, extending component lifespan.

Threaded bearing caps adjust gas foil thrust bearing preload without shims, eliminating assembly complexity and oil contamination in fuel cell blowers.

A hydrogen generator employs a movable barrier to adjust volume ratios, resolving the trade-off between production capacity and storage needs.

An isolating valve defaults to closed without power while a safety switch prevents accidental activation during maintenance, resolving reliability risks.

Glass sealant fills defects in solid electrolyte layers and interconnectors, preventing gas leakage while relaxing manufacturing precision requirements.

Cathode subsystem prevents water freezing using a drip rail with a protrusion and sump to manage condensed water near the backpressure valve.

A boil-off gas treatment system recycles vaporized hydrogen from storage tanks back into fuel cell stacks.

A 3/2-way relief valve vents hydrogen from medium-pressure lines to ambient pressure, preventing explosive gas mixtures during fuel cell downtime.

Dynamic threshold adjustment reduces unnecessary fuel consumption during warm-up cycles while maintaining secondary battery output.

A fuel supply device shifts into a specific purge operation mode to increase the anode fuel mass flow rate.

A gas supply system uses tank temperature data to determine shutoff valve opening sequences for fuel cell applications.

An intermediary electrolyte with high pH prevents cross-over reactions between iron and sulfur solutions, maintaining round-trip efficiency.

Selective oxygen cross-leak oxidizes carbon monoxide on the anode without generating reaction heat that deteriorates the electrolyte membrane.

An elastic fuel pipe connects a vehicle fuel cell stack to a body mounting portion via a securing mechanism that disengages under high loads.

A fuel supply connection uses a ball joint and compensating ring to align the tube interface.

An anode-side stack shut-off valve opens to relieve pressure before the excess-pressure valve trips.

An acid-based electrochemical flow battery uses a hydrogen self-consumption vector to generate and regenerate acidic and basic solutions.

An intermediary resin member prevents burr formation during seal injection molding, eliminating post-processing steps and reducing production costs.

Controlled nitrogen absorption below critical grain growth temperatures prevents blowholes and hydrogen embrittlement in storage tanks.

A fuel cell compression plate uses a pressurized fluid container to maintain uniform mechanical force on the stack.

Staggered injection timing minimizes pressure pulsation width and noise while maintaining drainage efficiency and preventing stoichiometric shortages.

A fuel cell dead-end vessel retains reactants and water via pressure cycling to recycle unreacted gas back into the stack.

A bypass channel connects reactant gas supply and discharge passages in a fuel cell stack to guide condensed water away from the cell body.

A redox flow battery stabilizes capacity and efficiency by using a gravity-driven pipe to reduce ion migration, eliminating complex mixing procedures.

Single valve system manages air circulation while preventing stack exposure to reduce component count and manufacturing cost.

Auxiliary beads and openings distribute contact pressure along the seal path, resolving non-uniform pressure variations in small curvature areas.

A manifold air supply system distributes oxidant to series fuel cells via a single compressor, eliminating complex active flow control.

Autonomous separators like lamella clarifiers remove solids from electrolytes, reducing pressure drops and parasitic loads compared to mechanical filtration.

Calculates anode hydrogen levels via electrical parameters to prevent unnecessary purge operations that waste fuel.

A fuel cell system uses branch flow paths and pressure sensors to regulate fuel supply across multiple generation units.

An integrated hydrogen supply manifold reduces connecting parts and leakage risks by merging pressure control functions into a single structure.

A microfluidic fuel cell uses capillary flow through absorbent regions to move liquid reagents for electricity generation without external pumps.

Varying expanded metal openings suppress drying at the gas inlet while maintaining oxygen supply, ensuring consistent output voltage across temperatures.

A cathode gas supply unit increases discharge flow rate during vehicle flooding events.

A conveying device positions components on a planar carrier element to align flow lines parallel to the surface.

Segmented flow adjusters handle rapid power fluctuations while protecting the primary valve from high-stress operation.

Reducing metallic nickel at the first end portion prevents oxidation damage from volume expansion.

Variable-width baffle portions create localized flow regions that resolve uneven reactant distribution caused by high inlet velocity.

A nested adapter cartridge merges storage and delivery functions to resolve the trade-off between user friendliness and extended operational duration.

Regional water retention detection prevents electrolyte degradation under low air stoichiometric ratios by triggering targeted air blow.

Asymmetric duct cross-sections manage hydrogen discharge without complex valves, preventing backflow and reducing noise.

Segmented drying units dynamically switch between air supply and exhaust paths to handle rapid power demand changes without increasing structural complexity.