Power Installations TRIZ Cases

An integrated podded engine adaptor consolidates multiple mounting interfaces to reduce installation time and complexity.

Drain mast pipe redirects airflow to eject fluid droplets perpendicular to the fuselage, preventing contamination and reducing parasite drag.

Integral inlet and outlet holes in the ram air turbine housing enable freestream air to cool the generator.

A processing unit commands an auxiliary power unit inlet door to alternate positions when primary position feedback signals fail.

Passive cryogenic cooling of superconducting magnetic energy storage unit by liquid hydrogen eliminates active cooling weight and energy consumption.

A constant speed drive decouples variable APU rotation from a generator shaft to maintain a target 400 Hz output frequency.

Rotor downwash ventilates the fuel cell heat exchanger, eliminating dedicated fans to reduce weight and energy consumption.

An electrical accumulator arrangement pulses voltage across multilevel DC power bus rails to supply transient energy demands.

A ducted ram air turbine assembly generates electrical power and cooling inside an aircraft pod using adjustable inlet doors.

Dedicated valves redirect environmental control system airflow to crown region vents, eliminating heavy separate drying equipment.

An airborne docking system uses a segmented tug device and cable to extend the UAV flight range beyond fixed launch sites.

Segmented fuel cell modules replace complex repairs, extending flight time while simplifying maintenance at remote operating locations.

An electric motor takeoff assist device uses a battery-powered propeller to launch unmanned air vehicles.

Nests power devices inside the engine casing to eliminate external protrusions that cause aerodynamic drag.

Carbon nanotube conduit heaters absorb vibrational stress through flexible circuit boards, preventing metal wire fatigue and ensuring reliable heating.

Segmented high and low voltage wiring with fiber optics reduces aircraft weight while maintaining reliable remote device power supply.

Dynamic control of fuel cell operating points matches water generation to flight phase demand, reducing required storage volume and overall aircraft weight.

Auxiliary power and thrust unit reduces aircraft weight by merging propulsion and auxiliary functions into a single tail cone mounted system.

Solid state power controllers limit current to protect aircraft power converters from overload during transient demand spikes.

Universal power converters replace dedicated electronic elements in aircraft electrical distribution systems, reducing device complexity and maintenance costs.

A mechanical reduction gear integrates an axial flux electric generator to convert rotational energy into electrical power within the transmission assembly.

A wireless autopilot system uses a servomotor and airfoil to control aircraft orientation via remote application commands.

Aerial coating system uses modular tank modules for automated refilling during unmanned operation.

Dual auxiliary power units mount within the aircraft tail cone to generate enhanced electrical and pneumatic power.

A slot-guided locking body moves axially between locked and released positions using a direct force transmitting element.

Dual six-pulse rectifiers segment the winding sets to eliminate sixth harmonic torque pulsation and reduce passive component size.

A control system initiates a reduced-load cool down cycle to lower APU thermal output before shutdown.

Sliding rackable power plates with elastic connectors enable modular assembly within a compact chassis enclosure.

Segmented heat resistant mesh contains combustion debris without adding mass, resolving weight versus safety trade-offs in aerial vehicles.

Connecting the auxiliary engine shaft to main gearboxes allows thermal recovery from exhaust gases, reducing fuel consumption during flight.

Distance sensors measure separation between ram air turbine and trapdoors to guide mast pivoting during aircraft assembly.

Spar apertures house power cells while thermal channels maintain uniform temperatures, reducing structural loads and enabling safe gas venting.

Dynamic articulated mounts with pivoting links and tie-rods accommodate engine thermal growth and design uncertainties without rigid shims.

A helium turbo pump converts compressed gas into electrical power while a control valve directs the flow to suppress cargo compartment fires.

A spiral bevel gear set transmits power from a ram air turbine shaft to a pinion gear via meshing teeth.

Embedded heating element in ram air turbine inlet screen prevents ice formation and maintains continuous airflow.

Non-cuboid battery cells fit irregular aircraft spaces, and DC-to-DC converters maintain specified voltage ranges despite varying charge states.

A cooling air compressor integrated within the tail cone passage delivers pressurized bypass air to the generator rotor and stator.

Segmented muffler design enables acoustic liner replacement from either end, reducing maintenance complexity and extending component lifespan.

A hybrid propulsion system combines a diesel engine with an electric motor to extend flight duration while reducing thermal signatures.

A monitor cable injects proportional current to measure differential potentials, detecting serial arcs despite temperature-induced resistance variations.

Segmented upper and lower panels interface with the door surround to ensure pressurization, reducing installation time while maintaining structural integrity.

Inlet door surface features redirect APU noise away from passengers, resolving the trade-off between noise reduction and duct volume constraints.

Predictive logic opens the APU inlet door before the start command, resolving startup time delays while maintaining safety through inhibiting condition checks.

Segmented inlet duct with honeycomb acoustic material reduces compression section noise while maintaining structural strength and low flow distortion.

A segmented enclosure with a removable cover creates a drip loop that prevents fluid ingress while maintaining connector access for maintenance.

A pivoting lever housing structure couples electronic modules to motherboards through a single mechanical motion.

Consolidated control unit reduces on-board aircraft weight while maintaining independent converter reliability through software segmentation.

Dual shaft electric generators distribute power output across high and low pressure compressor spools to supply aircraft electrical loads.