Power Installations TRIZ Cases

An electric taxi system drives the fan assembly via a low pressure shaft to enable controlled aircraft movement during ground operations.

A multi-configuration transformer adapts voltage levels across permanent magnet generators using selectable primary windings.

A variable cycle compensation system coordinates actuation and electric components to adjust engine thrust profiles.

An auxiliary power unit uses an excess air duct to route compressor outlet flow directly to the turbine section inlet.

A power converter monitor uses comparators and logic gates to detect voltage faults and generate inhibit pulses.

Selective connection mechanisms route power from hybrid generators to taxiing or aircraft networks, eliminating heavy ATRU modules and reducing onboard weight.

Non-conductive ventilation conduit vents hot gases while preventing electrical conduction and thermal damage to aircraft composite skin.

A harmonic regulator adds loop delay to stabilize power system control.

A hydraulic damping device uses a rotating blocking member to progressively cover damping holes within a plate.

An integrated energy-load assembly combines power and load components within a single accommodating box for unmanned aerial vehicles.

Suction-blow molding forms hollow three-dimensional thermoplastic ducts using reinforced PEEK, PPS, or PEI materials.

A fuel cell system uses an electrically drivable hydraulic pump to generate oxygen-depleted air and water.

Segregating primary electrical networks from cabin loads via dynamic conversion interfaces to maintain avionic certification standards.

Aircraft hydrogen propulsion system using a fuel cell and supercritical CO2 bottoming cycle to generate electrical power.

Integrated dihydrogen generator combines storage and conveyor compartments within a single enclosure to produce hydrogen gas efficiently.

Segmenting power via a flywheel battery supplies inertial acceleration current without increasing main unit weight.

Segmented fuel cell modules match local load demand, reducing energy transmission losses and improving overall system efficiency.

Electric tail rotor control replaces fixed mechanical linkages to optimize performance across flight phases while reducing setpoint overrun.

A capacitive sensing system detects fluid levels using a conductive plate and insulator.

A mount yoke assembly distributes forces across a larger area to secure auxiliary power units.

Segmented brackets and intermediary links distribute blade disengagement loads to smaller rubber bushes, reducing accessory gear box size.

Segmenting the control circuit board into an external casing protects it from vibration and impact while maintaining structural simplicity.

Segmented controller modules determine power allocation through local feedback signals, eliminating complex central coordination.

Solenoids pivot legs to clear a blocking pin, overcoming spring bias and frictional forces for reliable emergency power generation.

Cross-wing electrical drive lines balance torque during engine failure, eliminating yaw instability and reducing rudder authority requirements.

A conditioning system uses a pressure accumulator to manage hydrogen fuel volume variations and damping transient pressures.

A folded battery core uses nanocellulose fibers to create a lightweight cellular structure.

Ground remote control system manages electric taxi commands via secure pairing links, reducing ground crew requirements.

A controller coordinates compressed air delivery to multiple gas turbine starters during motoring.

Segmenting main engines from an auxiliary power unit reduces specific consumption by balancing nominal and failure power points.

Supercritical carbon dioxide cycles replace air to reduce component mass and improve thermodynamic efficiency in aircraft propulsion.

Segmented annular fire enclosure accommodates APU thermal growth via expansion joints, reducing structural strain while maintaining flame containment.

A gas generator power unit supplies non-propulsive energy during flight, relieving operational engines after an engine failure.

Solar-powered carbon nanotube heating eliminates heavy ducting and preserves engine performance.

Segmented gearbox decouples engine and turbine shafts to drive aircraft accessories independently, eliminating the need for a separate APU.

A damping orifice blocking device adjusts fluid flow area through thermal expansion to control piston movement.

Segmented light heads store power supply usage data in onboard memory to enable proactive maintenance and prevent sudden failures.

A hydrogen primary power unit with a fuel cell powers thrust reverser actuators independently of the aircraft's main electrical supply.

Gastight outer container seals liquefied hydrogen storage and gasification device, eliminating gas release risks during refilling cycles.

A variable-speed constant-frequency power converter regulates output voltage at a point-of-regulation using independent generator and inverter control circuits.

Liquid hydrogen phase change increases volumetric energy density, enabling zero-emission flight without increasing aircraft weight.

Segmenting power sources recharges small batteries via a gas engine, extending hover time without adding battery weight.

A blended wing body helicopter reduces aerodynamic drag through composite fuselage shaping and retractable landing gear.

Annular finned-tube heat exchanger vaporizes working fluid to drive a turbo-expander, reducing fuel consumption and emissions in aircraft gas turbine engines.

Segmented bays enable a drone to replace components during a single visit, reducing downtime and safety risks in wind turbine maintenance.

A modular converter system selects inverter combinations based on predefined efficiency functions to optimize power distribution.

A single coolant loop merges fuel cell and electronics cooling via a mixer, eliminating duplicate pumps and reducing system weight.

Auxiliary power unit operates in standby mode to generate reduced power output during nominal flight conditions.

Slide rails and elastic compression secure vertical power boards, reducing assembly weight and bulk while improving heat dissipation.