Engine Fuctions TRIZ Cases

Segmented manifolds distribute cooling air along the stator vane outer platform to limit thermal distortion and leakage gaps.

Acoustic spacing between fan blades and outlet guide vanes cuts gas turbine noise while preserving efficiency, drag, and durability.

Sensor-guided dampers meter recirculated exhaust into the compressor inlet to stabilize combustion, improve load efficiency, and cut emissions.

An aft gearbox and pusher fan layout eases gas turbine packaging constraints while preserving fan efficiency and aircraft mount options.

Electric-machine-driven startup adjusts fuel, ignition, and surge control to improve gas turbine starts in low-density high-altitude air.

Temperature-gradient-based shaft speed control lets a gas turbine restart sooner by passing critical speeds quickly and limiting thermal deformation.

A flexible membrane isolates seawater from piston components, using a secondary liquid to cut wear and extend wave power system life.

Waste heat is recovered through an exhaust heat exchanger and bottoming cycle, then the cooled exhaust is recompressed before nozzle exit.

Stepped plate edges and lateral gaps let this aircraft pre-cooler fit pylon space better while increasing coolant flow control and heat exchange.

Relocating the thrust reverser actuator beyond fan-casing deformation zones simplifies installation while guiding movable cascades.

Articulating inner and outer panels independently adjust nozzle throat and exit areas to strengthen reverse thrust while maintaining aerodynamic continuity.

Segmented inner ring mounts balance thermal expansion and tight vane guidance to cut leakage, thermal cording, and wear in aircraft engines.

Targeted cooling air on CMC shroud attachment areas dissipates heat before it reaches the pins, reducing deformation and extending pin life.

Hot compressor bleed air is cooled by shaft-mounted helical passages using lubrication oil, helping protect seals and prevent oil leakage.

By combining turbine blades and clutch functions in one assembly, this case cuts starter size, weight, and part count while blocking reverse drive.

A bypass-path condensing assembly captures steam from turbine exhaust while avoiding fan duct pressure losses and preserving engine efficiency.

Opposed propeller stages on a common shaft counterbalance axial force, remove axial bearings, and cut bearing losses at high speed.

A blind housing and impact-open door trap large bird debris upstream of the compressor, preventing damage without adding engine mass.

A fusible lock opens a turbine cooling shutter at high temperature, adding airflow without releasing debris near rotating parts.

Staggered tube groups and bends absorb differential thermal expansion in annular heat exchangers, reducing stress and tube collisions.

A temperature-actuated bimetal cover closes the heat exchanger outlet at shutdown to stop hot exhaust backflow and protect engine components.

Actuator loads are routed through a structural arm and link structure, relieving the outer casing in compact high-bypass propulsion assemblies.

An ambient-pressure housing keeps the turbine, generator, and shaft enclosed to remove external seals and cut offshore maintenance.

An effluent buffer chamber and pressure-stabilizing trompe smooth turbine pressure swings in a wave-driven hydrodynamic pump.

An excrescence-groove interface lets adjacent blade platforms generate friction damping during rotation without torsional preload or high static stress.

Hot air from the turboshaft engine is routed through a plenum heat exchanger to melt ice and snow with lower complexity and energy use.

Multiple APU start attempts raise fuel flow only when conditions remain similar, improving ignition reliability while avoiding over-temperature.

Excess water supply pressure drives a Tesla turbine and magnetic coupler to generate DC electricity without disrupting normal delivery.

Tapered condenser pairs recover water from aircraft exhaust in a compact layout, then reuse it as steam to raise core-engine mass flow.

Historic, simulated, and real-time data are combined to predict interrelated engine failures and group servicing to cut downtime.

Internal platform channels use pressure-driven suction into the purge cavity to weaken secondary vortices and improve turbine efficiency.

A burst plate releases stored pressurized gas into the engine flowpath for reliable startup while avoiding complex valve hardware.

Sealing fluid injected parallel to the aft wall of a blade shroud seal fin cuts tip leakage, heat generation, and flow disruption.

A multi-part stability component reinforces the blade shell, cuts mass, and improves buckling without a trailing-edge beam.

Real-time ambient and exhaust temperature matching adjusts shaft speed and fuel demand to hold gas turbine output without seasonal retuning.

A position-triggered white light interferometer measures radial growth and clearance in rotating nonmetallic parts through a fixed housing hole.

A partially rated electric starter plus an air-turbine starter enables mid-air gas-turbine restart while avoiding APU dependence and excess weight.

Attachable labyrinth seal fins improve clearance control in aircraft engine gearboxes while easing repair and maintaining reliability at high temperature.

A two-piece stationary labyrinth seal improves fin clearance control and lets worn seal members be replaced without extensive gearbox disassembly.

Impingement jets, inner flow paths, and sub-cavities improve airfoil cooling, raising thermal resistance and durability in gas turbines.

An adjustable inlet door modulates cooling airflow to reject hybrid engine waste heat while limiting nacelle drag during cruise.

A rolling tool tip detects voids beneath wind turbine blade leading-edge protection layers without complex inspection equipment.

PWM-based heating control keeps wind turbine de-icing elements within range, cutting temperature cycling, harmonics, and EMI.

A hybrid cam-and-stop pitch arrangement lets water turbine blades adapt angle of attack, improving efficiency while limiting blockage and stress.

Two UAVs analyze reflected and diffracted electromagnetic waves to detect rotating wind turbine blade defects despite speed and weather.

Pre-cooled compressor bleed air cuts turbine cooling temperature, enabling higher compressor ratios without excessive turbine inlet and exhaust heat.

A primary and secondary fan create a third stream that preserves propulsive efficiency while easing engine weight, thermal, and packaging constraints.

Cooled exhaust gas is recompressed by an ejector to cool turbine parts, cutting compressor bleed demand while preserving output and life.

Geo-tagged thickness, vibration, and strain data enable continuous wind turbine monitoring with early alerts for structural degradation.

Logarithmic spiral flow-guide surfaces create cyclones that improve wind capture, cut noise, and fit compact distributed installations.