Power Installations TRIZ Cases

Door-mounted sound absorbing component intercepts auxiliary power unit noise before redirection.

Electric taxi drives enable extended thermal conditioning at low throttle, preventing rotor bow and uneven expansion without increasing turnaround time.

Redundant mount system compensates for primary linkage failures by activating secondary supports, ensuring stable auxiliary power unit operation.

Introducing a warmer second fluid flow near the noise attenuating component prevents ice formation that obstructs primary airflow and damages the engine.

Hydraulic motor drives aircraft compressor to achieve high pressure ratios without increasing weight or volume.

A cabin blower system uses dual power inputs from gas turbine engine shafts to drive a compressor via a transmission and electrical circuit.

Rankine cycle system recovers thermal energy from exhaust gases to drive auxiliary power, eliminating bleed air extraction and reducing fuel consumption.

A power distribution node assigns permanent identities to controllers through sequential reset signal processing.

Modular segmentation of a reconfigurable three-phase rectifier drive reduces high voltage component costs and development time through parallel aggregation.

Replacing combustion engines and fuel tanks with electric motors and rechargeable batteries enables efficient airplane conversion.

A power conditioning unit couples to aircraft buses via a transfer unit and energy buffer to supply continuous alternating current.

A common cooling circuit couples a fuel cell system with an aircraft hydraulic system to manage thermal loads efficiently.

Movable bypass door redirects exhaust gases from fan rotor turbine to eliminate auxiliary power unit requirements at airport gates.

Segmented lever block with needle bearings maintains latched position under high G-loads while reducing friction.

Thermal coupling of dual cooling circuits provides redundant fuel cell cooling, reducing aerodynamic drag and fuel consumption during flight.

A toggle release mechanism uses a rotating element to control RAT deployment.

A solenoid-activated latch mechanism rotates a pivot arm to deploy or stow a ram air turbine.

Segregated modular buses replace complex harnesses, reducing weight and cost while allowing dynamic configuration changes without infrastructure modification.

A ram air turbine stowing system uses a closed loop hydraulic circuit to move the actuator independently of aircraft systems.

A turbomachine integrates an electrical energy generation device driven by the secondary air flow to produce power independently of engine operation.

A ram air turbine actuator uses three staged biasing members to retain the turbine against an uplock hook.

A modular drive device assembly arranges multiple units in a triangular configuration to generate strong thrust.

Segmented monument modules with decentralized storage eliminate heavy cable networks while optimizing exergoeconomic energy conversion.

Inner and outer cooling holes in the shroud balance pressure drop with structural strength for effective motor cooling.

An aircraft electrical power system routes regenerative energy from actuator loads to a DC bus and battery storage unit.

A controller positions an APU intake door to direct ambient air through the engine.

A rotorcraft braking system applies electrical resistance to a generator armature coupled to the hub assembly.

Aircraft icing detection compares estimated and actual power feeds to identify ice accumulation.

Internal mass redistribution within a detachable pod controls airship pitch, eliminating drag from external control surfaces.

Calculates average starting time and deviation index to detect decline phases, enabling proactive maintenance before failure occurs.

An acute-angle locking mechanism reduces aerodynamic forces on aircraft emergency wind turbines, enabling smaller hatch designs and lower system mass.

Controller module allocates energy budgets to solid state switching elements based on predicted power demands.

Frusto-conical fittings replace complex bar frameworks to resolve maintenance access and manufacturing cost trade-offs.