Engine Fuctions TRIZ Cases

A flange-less front center body uses a frustro-conical interface and flexible attachment to improve gearbox access during on-wing service.

The case coordinates fuel flow and electric motor assistance when low-power descent cannot maintain the required thrust match.

A turbine engine bleed port routes compressed air to cooling while a parallel outer passage carries debris away.

This wind turbine gearbox support uses a decoupling device to transmit torque while reducing vibration and reaction loads.

Collision jet holes, inner flow paths, and sub-cavities improve turbine airfoil cooling while reducing thermal stress.

This case combines compressed gas, segmented discs, and a heat exchanger to improve power density and limit disc warping.

This case uses angled, localized cooling holes in a turbine stator vane shroud to reduce cooling air and thermal stress.

Exhaust heat generates steam for separate turbines that drive engine spools, adding thrust during high-power operation.

This case uses ratchets and speed-amplifying gears to turn vehicle suspension motion into electricity for use or storage.

A coolant chamber and flow regulator manage core-path temperatures, extending component life while limiting impact on power output.

Inertial separation limits particles in turbomachine cooling air and protects engine components.

An electrohydraulic servo valve and bypass line limit pump demand while supplying extra return-reservoir flow for deployment.

Segmented inlet ducts deliver heated air across the interior surface to stop ice accretion while reducing noise in a compact nacelle design.

Segmented blade outer air seal rings accommodate thermal expansion without increasing tip clearance, reducing gas leakage in gas turbine engines.

Neural networks analyze engine operational data to detect early bleed valve deterioration, preventing surging and reducing maintenance costs.

Transition segment variable cross-sectional flow area accommodates main channel reduction to maintain constant coolant velocity and balanced distribution.

A bottoming cycle bypasses secondary heat sources to maintain exhaust gas temperature differentials for efficient heat recovery.

A modulated bleed valve reroutes airflow to increase nozzle volume and enhance surge margin.

A flow control device manipulates bypass flow boundary layers to dynamically adjust the effective nozzle exit area.

A blading member uses a mechanical interlock to join airfoils and platforms, enabling differential thermal expansion.

Variable thickness curved supports reduce stress concentrations in ceramic matrix composite turbine rings during thermal expansion.

A dual towershaft accessory gearbox transmission drives electric machines and oil pumps via distinct gear sets within a common housing.

A mobile lifting apparatus vertically moves flat transport frames to enable self-propelled modular transporter access.

Setting interblade phase angles to ±180° suppresses self-excited vibrations while maintaining stable airflow.

Elastomer damper cushions TRAS actuator deflections to prevent cascade ring contact without applying preload.

Segmented rigid and flexible connections stabilize the assembly while non-contact sensors measure phase shifts for accurate imbalance compensation.

Preimpregnated woven facesheet with spaced yarns simplifies manufacturing and reduces waste in aircraft nacelle acoustic panels.

Embedded tracer materials generate unique light signatures under laser excitation, enabling real-time on-wing wear analysis and reducing maintenance downtime.

Nested bayonet features and integrated anti-rotation elements retain the cover while preventing rotor unbalance in tight installation spaces.

Pivoting wave power arms drive hydraulic motors to produce steady electrical energy, eliminating frequency converters and reducing system complexity.

Segmented tool segments stabilize the shaft and grip the rotor to reduce disassembly time during maintenance.

A wind turbine drive train uses a flexible coupling to connect the generator rotor directly to the bearing inner race.

A conical rotor disk design stabilizes radial and axial displacements in low-pressure turbine stages.

A wind turbine rotor hub retracts its pitch actuator to reduce external dimensions for transport.

Vibration damping means allow a transmission shaft to operate at supercritical speeds, reducing mass and radial arm section for better aerodynamic performance.

A turbine power device uses a bridge pipe to link dual coolant circuits, ensuring reliable fluid delivery for temporary engine output boosts.

A waste gate valve applies a ceramic layer joined via brazing to prevent thermal deformation and abrasion from exhaust gas.

A rotor blade airfoil and tip shroud define a deep cooling core fluidly coupled to internal passages.

Segmented squeeze film lands prevent cavitation under high vibratory velocities, isolating rotating imbalance loads from the engine structure.

Alternating engine states reduces cumulative wear, noise, and emissions during taxi operations while maintaining immediate takeoff readiness.

Feedholes and branch holes distribute coolant from interior passages to the platform suction side, reducing temperature gradients in thin radial regions.

Bypass conduit routes partial fluid flow around the thermal exchange core, reducing required capacity and weight while meeting temperature requirements.

Segmented transport carriers reduce installation time while maintaining power reliability at remote well-sites.

Canted branching passages direct coolant through a turbine blade tip shroud, reducing aerodynamic mixing losses while maintaining thermal protection.

A measuring device with internal channels routes data from leading edge sensors to preserve vane cooling.

Segmenting the duct walls and inserting a cooling passage minimizes thermal expansion while enabling efficient steam generation from recovered water.

Spray tube impingement jets enhance heat transfer capacity for blade tip clearance control while reducing thermal control air consumption.

Integrated cooling passages in a ceramic matrix composite seal segment manage thermal expansion and reduce heat-directed stress on mount pins.

Spring-loaded hinges and magnetic stops control vane rotation, reducing mechanical shock and noise during operation.