Reactant Parameters Control TRIZ Cases

A PIA controller adjusts the effective flow area of a hydrogen fuel injector to maintain stable anode pressure.

Dynamic cathode gas control maintains fuel cell voltage within safe limits, enabling accurate cross-leakage detection without catalyst deterioration.

A bracket absorbs collision loads to displace the air compressor away from the dash panel.

An enzyme fuel cell uses an electron mediator to transfer electrons from the anode reaction to the external circuit.

Ejector segments fuel gas flow to remove condensed water, preventing stack channel blockage and stabilizing electricity generation.

A fuel cell system uses a cooling water pump to lower the fuel cell temperature below that of the fuel gas pump after shutdown.

A gas concentration model estimates hydrogen levels in a fuel cell anode to trigger injection when needed.

A hydrogen concentration estimating system measures air flow to determine an operational model for accurate fuel cell control.

Deposition processes create unipolar plates with low contact resistance and high corrosion resistance, eliminating expensive noble metal coatings.

Capillary channels in a paper-based fuel cell deliver fuel to enzymes, resolving the trade-off between high power output and extended operational lifetime.

A high-pressure tank uses segmented gas discharge means with external manual operating sections for reliable fluid flow control.

A cover member defines a gas channel directing cathode off-gas to warm discharge channels and valve seats within the fuel cell separator.

A fuel cell system circulates hydrogen gas via a pump to ensure uniform distribution across unit cells.

A passive fuel cell system maintains anode pressure above ambient air to impede nitrogen migration across the membrane.

Vertical flow holes in the anode eliminate lateral sealing needs, while a ceramic connector layer replaces metal parts to prevent corrosion.

Crosslinked polyethylene restoring element compensates for thermoplastic collar creep to maintain permanent press fit sealing integrity.

Monitoring detects abnormal fuel gas in the cathode, prompting current reduction that stabilizes heating value and prevents power generation instability.

A fuel cell mount apparatus uses pressure detection and control devices to adjust fluid flow rates across multiple stacks.

A fuel cell end plate integrates a sound-absorbing member to mitigate injector noise.

Attitude control device rotates the gas-liquid separator to align the drainage opening with vehicle acceleration, preventing freezing of the discharge valve.

A fuel cell power controller adjusts current limit removal rates based on power generation thresholds to match supply and demand.

Rubber members isolate the injector from the ejector body, reducing vibration transmission to external supports while minimizing structural complexity.

Auxiliary flow passages balance pressure loss to eliminate flow rate variations between center and end portions of fuel cell power generation units.

A gas generator produces hydrogen by fracturing reactive metal particles in turbulent water for immediate use.

Shim members position end separators between contact plates and insulators to increase reactant gas flow rates.

A fuel cell interconnector uses a buffer chamber and flow direction changing portion to redirect gas flow into the power generation region.

A fuel cell control device stabilizes air valve opening degree by measuring position and calculating command values based on target power generation.

Polyhedron frame container with longitudinal fastening points secures fuel cell modules against vibration while optimizing space utilization.

An air gap separates the fluid tube from the end plate, reducing conductive heat loss to preserve thermal energy for efficient power generation.

A rebalancing cell applies an ion-repelling potential to disrupt diffusion double layers at the catalyst surface.