Power Installations TRIZ Cases

An integrated drive generator monitoring system tracks operating hours and guides pilot engine selection.

Segmented RAT mounting frames shift resonance frequencies away from operating ranges, reducing damage risk while maintaining lightweight structural integrity.

A rear fence on an aircraft door blocks airflow through the storage gap, reducing aerodynamic drag on the closure panel.

Electrically driven pump system eliminates manual stroking burden and reduces installation time for Ram Air Turbine stowing operations.

A fuel cell exhaust system directs pressurized gas to aircraft skin outlets to accelerate airflow and manage boundary layer conditions.

An integrated flywheel power and cooling system couples a flywheel, compressor, starter generator, and power turbine to a common shaft.

Dual spool generators feed a distribution bus to resolve weight and reliability trade-offs in centralized aircraft power architectures.

Modular mobile energy supply unit reduces on-board network load and ensures immediate availability of emergency power.

A cabin pressure control system routes pressurized air from the cabin to an auxiliary power unit core compressor inlet via a dedicated control valve.

Segmenting propulsion from power generation using solid oxide and proton exchange membrane fuel cells reduces emissions while maintaining electrical redundancy.

A cross rod features a flanged midsection for secure clevis attachment.

A controller coordinates dry motoring across multiple gas turbine engines using starter air valves to manage rotor speed.

Variable voltage operation reduces torque pulses on engine gearboxes, minimizing wear and fuel consumption during anti-icing cycles.

Honeycomb core structures reduce centrifugal forces in 3D printed ram air turbine blades, improving critical speed margins.

Hydrocarbon fuel reforming supplies hydrogen to a fuel cell, replacing heavy engine-driven generators and reducing aircraft weight.

An angled barrier divides a single seal into segregated chambers, preventing fume mixing while minimizing compressive load.

Autonomous primary controllers implement droop power curves to regulate bus voltage, reducing capacitor size and system weight in aerospace applications.

Tapered drainage mast geometry evacuates liquid from aircraft compartments, resolving negative pressure priming issues without active control devices.

An aircraft auxiliary power unit uses an electric motor to drive the compressor independently of the turbine.

A ten-phase step-up transformer paired with diode pairs rectifies AC input to form a stable DC bus voltage.

A rotorcraft uses two main turboshaft engines and a smaller secondary engine to drive the rotary wing.

Equidistant longitudinal grooves on the driveshaft reduce torsional stiffness, lowering torque ripple and peak loads on the drivetrain.

A shared inverter supplies power to multiple electric motors in hybrid aircraft propulsion systems.

A pump assembly moves viscous pesticide through flexible tubing to an applicator.

A fan module uses a rotatable vane ring to drive an onboard generator, converting airflow into electrical power.

Hydraulic pressure drives a linear actuator to retract the ram air turbine, reducing aerodynamic drag and noise while preventing foreign object damage.

Aircraft fuel mixing apparatus blends primary and green fuels to predetermined ratios for engine operation.

Central controller manages power distribution between electrically fed pneumatic compressors and the auxiliary power unit.

Intumescent functional layer inside aircraft battery casings expands to form a fireproof barrier that contains flames and heat within the interior volume.

Acoustic grille attenuates noise frequencies through specific mesh dimensions and geometric positioning within aircraft ducts.

Progressive orifices in the piston rod restrict hydraulic fluid flow, mitigating seal wear and abrupt motion during emergency RAT deployment.

Processing electronics monitor predictive windshear radar transmission and provide status indications to cockpit displays.

Auxiliary pumps draw fuel from main tanks to power the auxiliary engine, maintaining flight reliability without adding complex dedicated fuel infrastructure.

Segmented actuator housing with modular pin interfaces resolves manufacturing precision trade-offs for accurate ram air turbine deployment.

Tail unit with tailplane and stabilizers compensates pitching-up moments, reducing electrical energy consumption from rear rotors operating in turbulent flow.

Non-conductive flanges isolate drain tubes from aircraft skins, preventing lightning strikes while expelling fluids.

Lateral air intakes supply an auxiliary jet engine integrated in the fuselage tail cone while minimizing aerodynamic drag.

A flex circuit communication system transmits signals between external measurement devices and internal processing units via aircraft door openings.

Segmented secondary networks isolate high-current engine starting from standard voltage operations, reducing cable weight and system complexity.

Controller manages multiple independent power sources to prevent mechanical overload while ensuring essential hydraulic and electric loads remain active.

Repositioning the generator within a cone-shaped strut transition reduces turbulence and blade fatigue while maintaining operational efficiency.

Segmenting passive rectifiers reduces component size while maintaining constant voltage, avoiding the high costs of active topologies.

A ram air turbine deploys above a lifting body suction surface to capture accelerated airflow for onboard power generation.

Rotor blades lock into fixed azimuth positions to act as wings, resolving the trade-off between vertical lift and high-speed aerodynamic efficiency.

A single-phase AC-to-DC converter combines wide-bandgap devices with silicon switches to achieve high power density.

A reversible aircraft ventilation device uses a controllable vane orientation to maximize airflow or capture wind energy during flight.

A supervisory controller coordinates paralleled DC power sources by adjusting voltage setpoints based on load current signals.

Edge nodes process auxiliary power unit data to transmit health alerts, reducing maintenance time.