Transportation Fuel Cell Technology TRIZ Cases

Point-symmetric asymmetric side panels enhance structural rigidity and shock protection while reducing fastening complexity in fuel cell stacks.

A fuel cell system adjusts bypass valve operation to maintain target cathode gas flow and pressure rates.

Adapts fuel cell start preparation routines via dynamic gas conveying parameters, resolving moisture discharge reliability versus energy consumption trade-offs.

Integrated insulating portions on separator lugs and casing protrusions maintain electrical isolation under external loads while reducing manufacturing costs.

Dynamic anode pressure adjustment minimizes hydrogen crossover and discharge during purge, improving utilization rate and system efficiency.

A manifold cooling passage directs coolant flow between a plastic layer and an end plate contact surface.

Alternating ribs and indentations on bipolar plates constrain reactant movement, reducing parasitic flows that lower electrochemical reactor efficiency.

A fuel cell control unit predicts voltage drops in high current regions using low current output values.

A dual seal anode drain and purge tube system uses a movable pintle to independently manage liquid drainage and gas purging in fuel cells.

Third ribs and indentations in the intermediate zone block reactant flow paths while accommodating manufacturing tolerances.

Alternating ribs and indentations in the intermediate zone of a bipolar plate block parasitic reactant flows while maintaining coolant storage.

A turbo air pump system adjusts oxidant gas pressure to maintain target flow rates during low-speed operation.

An anode separator with a porous metal hydride layer melts reaction channel ice via exothermic reactions, preventing cold start degradation.

A fuel cell operation method monitors cell voltage to adjust internal humidity and coolant flow, maintaining stable power output during vehicle startup.

Coordinating anode and cathode gas flows based on wetness targets prevents excessive pump operation while maintaining membrane hydration.

Sloped connecting flow channels prevent clogging and reduce pressure loss by ensuring smooth reactant gas distribution within the fuel cell.

Controller sets higher initial anode pressure to reduce injector operation frequency, minimizing noise and vibration during non-power generation states.

A fuel cell system adjusts cathode gas pressure and flow rate using a compressor and regulating valve to maintain oxygen partial pressure.

A fuel cell system calculates startup temperature using pre-stored water content and internal impedance data from the last shutdown.

A bipolar plate design equalizes anode gas channel lengths to ensure uniform fuel distribution across the active region.

A processor determines power storage shared power to maintain efficiency above a threshold while the fuel cell supplies the remaining load demand.

Offset sealing members with varying base widths distribute compression forces uniformly across the fuel cell interface to prevent fluid leakage.

A fuel cell controller suspends cathode purging based on temperature readings from central and end cells.

A resin frame membrane electrode assembly uses a reinforced cathode catalyst layer to bridge structural gaps.

A controller lowers output voltage during shutdown to maintain a specific current reference relationship.

A fuel cell separator uses variable groove depths to reduce surface pressure and prevent membrane electrode assembly buckling.

A compact humidifier integrates a water separator within the housing to maintain consistent membrane moisture and prevent droplet formation.

A fuel cell stack control method adjusts air pressure valve openings to optimize airflow and voltage output.

A fuel cell controller modulates a high-pressure hydrogen flow valve to induce rapid adiabatic heating through depressurization.

A fuel cell stack shutdown method vents anode hydrogen and uses cathode air to consume remaining reactants.

T-shaped sealing members encase fuel cell stacks to prevent gas leakage, reducing system weight while maintaining sealing reliability.

An ejector structure in the membrane module sucks moist air via tube side air velocity, resolving uneven flow distribution.

A fuel cell control system compares generated current to predicted values for real-time anode leak detection.

Segmenting the insulator into thin members prevents pinhole generation and maintains creeping distance for reliable electrical insulation.

Tooling moves down incrementally to load and align fuel cell stack components, reducing assembly time and eliminating complex press alignment.

A fuel cell device merges its flushing gas path with the cathode gas path to share structural sections and reduce component count.

A fuel cell system manages humidity using a water reservoir and temperature sensor to control condensate discharge.