Power Installations TRIZ Cases

Variable after-fan energy extraction uses a turbine, generator, and motor to improve gas turbine cruise efficiency without sacrificing takeoff thrust.

Fuel cell waste heat is routed to evaporate condensation, humidify cabin air, and prevent water-line freezing with less weight and power use.

Stacked magnetic and superconducting strips raise aircraft inductance per weight while using cryogenic fluid to simplify cooling.

Waste heat warms liquid hydrogen to drive a turbine, compressor, and generator, cutting heating losses in hydrogen-fueled aircraft.

A single aircraft external power switch coordinates multiple power sources through onboard controllers, cutting cockpit space and crew workload.

An integrated auxiliary power tap lets a navigation light feed remote exterior lights without extra wiring or redesign of the primary lighting function.

Open air channels in the nacelle feed oxygen to a nearby fuel cell, cutting power-cable length and improving thermal integration.

A balanced fuel cell, gas tank, and airflow layout extends drone flight time while controlling weight, stack temperature, and tank handling.

A rechargeable backup power supply keeps aircraft emergency oxygen operating during main power failure without a second harness.

A ground-level motorized guiding wheel lifts heavy aircraft power cables from service pits, cutting manual effort, retrieval time, and injury risk.

A controllable diode bypass switches the DC essential bus automatically, blocking backfeed while still allowing battery float charging.

A charged onboard power storage unit keeps aircraft emergency oxygen operating through main power failure without a separate emergency harness.

Cabin exhaust airflow is redirected to a fuel cell assembly to generate aircraft ECS power without ambient-air pre-conditioning.

A linked dual-converter seat power architecture keeps all aircraft seats powered after a module failure while reducing weight and complexity.

Air ducts route engine airflow through the tail cone generator housing to dissipate heat without liquid coolant, windage loss, or leakage.

A hybrid hydrogen turbine and fuel cell shares cryogenic fuel storage to raise aircraft power density while cutting weight and hydrocarbon use.

A low-pass filter and thresholdless full-wave rectifier enable reliable DC leakage tripping in noisy electrical installations.

Voltage-based coordination lets main and auxiliary aircraft power sources share load in real time without current sensing or source communication.

Filtering higher harmonics from three-phase load signals prevents overcompensation in CVT generator control and keeps AC frequency stable.

Heat exchangers, venting, and a jet pump let one aircraft hydrogen feed system manage liquid, supercritical, and gaseous fuel states.

A controller tunes fuel cell operating conditions to keep combustor temperature in range, cutting CO and NOx while meeting thrust demand.

Altitude-based switching between compressed air and stored oxygen stabilizes fuel cell output while reducing compressor power and tank weight.

A clamped housing tube and shoulder bushing secure conductor shielding termination while easing feeder installation and reducing weight.

An anti-friction housing coating cuts o-ring drag, improves axial seal tracking, and helps prevent leaks in high-speed rotating shafts.

A controller sheds non-thrust electrical loads during take-off and climb to cut generator demand, reduce engine wear, and extend service life.

Adjustable after-fan energy extraction uses a motor-generator pair to balance takeoff thrust with better gas turbine cruise efficiency.

Residual hydrogen is electrochemically recovered from the aircraft fuel network and returned to storage or power generation to cut waste and emissions.

Paired fuel cell stacks generate 540 VDC for rotorcraft without DC-DC converters, while health monitoring balances failures and reserve power.

Contactor-status logic triggers RAT deployment when generators are online but not powering AC buses, avoiding manual intervention.

Detachable carrier drones dock to a fuselage to cut urban takeoff area while enabling safer, non-stop transport with higher load capacity.

A third bearing with spring or damping support limits ram air turbine shaft whirl, cutting structural loads and torque ripple.