Engine Fuctions TRIZ Cases

A second heat exchanger within the injector feed-arm warms cryogenic hydrogen fuel using auxiliary combustor exhaust gases.

A test rig simulates coastal conditions using salt spray and dust loading to evaluate air filter element performance.

Rack and pinion drive actuates petal cascade elements, eliminating jamming risks from sliding friction in aircraft gas turbine engines.

Bidirectional aqua sails capture varying tidal currents through adjustable hydrofoils, overcoming limited turbine surface area to boost productivity.

An inverted insulation design uses a press plate and gap to isolate the scroll structure from working fluid erosion while accommodating thermal expansion.

Segmented combustion zones and swirl generation create a cooling film that reduces thermal loading on the chamber wall.

Direct exhaust control replaces surrogate limits, minimizing thermal stress during warm-up.

Integral partitions create re-use cavities that channel post-impingement fluid back through apertures, reducing overcooling and thermal gradients.

A fastener with a spherical underside mates with a ceramic bushing to allow semi-free rotation of thermal protection panels.

A gas feed duct system supplies high-pressure compressor gas to the fan enclosure, preventing axial force reversal and protecting the thrust bearing from wear.

Swirl portions at cooling channel entrances generate rotational airflow that enhances root unit stiffness and heat transfer efficiency under high temperatures.

A star epicyclic gearbox connects electric machines to planet gears for torque supplementation.

Necked bolt design distributes shear loads via embedded inserts, preventing composite interface deterioration at larger scales.

A unitary snorkel and filter case assembly removes particulate matter from gas turbine bleed gas before downstream components.

Liquid metal cooling loop removes heat from turbine nozzle guide vanes without diverting compressor air, preserving engine thermal efficiency.

A wind turbine blade root design with a conical bearing surface and parallel fastening holes.

A wind turbine cooling device uses a working fluid that changes phase to transport heat from components to the outside air.

Force sensors monitor axial load changes to identify shaft shear events faster than rotational speed methods, preventing engine damage.

Bolts a disk-shaped component to a turbine disc flange, enabling pre-assembly balancing while removing dedicated assembly flanges to reduce module weight.

A ceramic matrix composite sealing member connects adjacent turbine ring sectors to maintain structural integrity at high temperatures.

A steam turbine power plant calculates life consumption amounts to update thermal stress limits during high-speed activation.

Cylindrical wall slots increase flexibility to reduce stress concentrations in turbine vane rings.

A single passage in the displacement spiral connects the counter pressure chamber to compression chambers for adjustable contact pressure.

Machine-learned models generate optimized balance shots for rotating systems using engine-specific transfer functions.

A gear assembly reverses output shaft rotation using idler gears and secondary assemblies to adapt fan direction.

Hydraulic valve system regulates fluid flow to control thrust reverser deployment speed, reducing end-of-travel impact forces.

Segmented piston grid with nested magnets and coils converts wave motion to electricity while adapting to varying conditions.

Form locking connection devices in a geared turbofan drive train enable controlled disengagement during mechanical failures, reducing damage risk.

An adjustable inertia mechanism dynamically shifts mass distribution to stabilize grid frequency during disturbances without sacrificing load response speed.

An oil director channels leakage oil radially outward to a heat shield drain opening in geared turbofan engines.

Optimizing the air inlet sleeve aspect ratio and form factor reduces aerodynamic drag while maintaining acoustic efficiency for high bypass ratio engines.

An engine controller adjusts clearance setpoints based on measured or predicted values to maintain optimal component gaps.

Dynamic port selection reduces engine efficiency losses by supplying bleed air at temperatures that eliminate heavy heat exchangers.

A reconfigurable hydraulic power transfer system switches cylinder configurations to optimize energy harvesting from wave motion.

Segmented webs between coolant channels stiffen turbine blade roots, reducing peak stresses and elastic deformation caused by uneven load distribution.

Segmented internal cooling channels guide air to high-stress zones, reducing thermal load and preventing damage from high combustion temperatures.

Scarfed channels protect cooling fluid from secondary flow dispersion, reducing blade tip temperatures by increasing surface area exposure.

Segmented unit cells with varying tube dimensions resolve the contradiction between broadband noise attenuation performance and panel weight constraints.

A belt drive wave energy plant uses modular rocking rotors connected to a common shaft for efficient mechanical transmission.

Nesting sensor units in flange recesses achieves direct contact with the bearing inner ring, resolving vibration detection accuracy issues.

Elastic straps circumscribe the store perimeter to distribute dynamic loads, accommodating casing expansion without requiring rigid metal lugs.

Estimates bleed air flow rate to shift power turbine inlet temperature, correcting continuous power assurance analysis accuracy without adding physical sensors.

A differential gearbox segments mechanical linkage to decouple compressor speed from engine rotation, converting excess compressed air into useful work.

A turbine vane support heat shield couples to the diffuser case flange via a radial interference fit.

Segmented partitions with self-resetting mechanisms capture kinetic energy from flowing fluids while reducing device complexity.

Reversible water turbines pump and drain fluid to store electrical energy, balancing renewable supply fluctuations without chemical batteries.

V-shaped air intake filters expand the filtration surface area to lower airflow velocity through each segment.

Neural networks analyze dynamic pressure signals to detect gas turbine compressor faults.

A segmented auxiliary lubricant tank with perforated discharge conduits prevents air extraction during negative-G operations.