Engine Fuctions TRIZ Cases

Segmenting the exhaust system places treatment between pump stages, preventing backflow contamination while reducing purge gas volume.

A gas turbine lubrication system uses a boost pump to increase fluid pressure, reducing vibration-induced stress on bearing components.

Rigid tab mounting eliminates radial clearance in ceramic matrix composite turbine rings, resolving vibration issues and enabling precision finishing.

An axial cavity and venting path redirect compressed air from the bearing sump to the turbine exhaust, reducing axial load on the power turbine shaft.

Pneumatic pressure barriers seal rotary electric machine bearings, eliminating mechanical seals and reducing part count while preventing oil leakage.

Segmented primary cooling passages with internal turbulators cool high-temperature regions while minimizing rotor blade weight.

A robotic testing device clamps onto wind turbine rotor blades to perform lightning protection system tests without human presence at heights.

Segmented spools with epicyclic gearing allow the booster to rotate independently, reducing axial loads on the high-pressure compressor.

Near wall cooling passages direct airflow adjacent to the airfoil surface, reducing thermal stress at rib junctions.

Alternating blade slots mismatch natural frequencies, reducing flutter and forced response susceptibility in gas turbine rotors.

Segmented intermediate tip wall directs cooling air to specific areas, reducing hot gas recirculation and improving energy extraction efficiency.

Tail fins adjust mass flow distribution to equalize cooling efficiency across airfoil surfaces, reducing thermal strain and extending component lifespan.

A turbine bucket uses non-circular radial cooling holes to enhance heat transfer efficiency in the airfoil body.

Dynamic locking body engages walls during operation to prevent blocker door detachment while allowing pivoting for airflow control.

A gas turbine controller corrects combustion gas temperature estimates using a ratio-based term derived from flue gas detection.

Bias springs accommodate differential thermal expansion between ceramic and metallic components, reducing fretting wear.

A purge air drain system removes liquid fuel from gas turbine lines using gravity and pressure differentials.

Porous ceramic lining in CMC airfools mitigates recession from spalled thermal barrier coatings by enabling film cooling.

A thermal barrier coating on a gas turbine low shaft slows heat transfer to maintain uniform temperature distribution.

Piezoelectric elements convert compressor case vibrations into electrical signals to drive counter-vibrations that reduce mechanical stress.

A breakable anti-rotation constraint releases rotational locking in oil transfer units to protect cylindrical surfaces.

Radial spacers on the heat protection shield maintain cooling gaps while blocking thermal conduction to the outer housing wall.

Scheduling the fuel metering valve via lagged high pressure spool speed prevents compressor stalls during windmill start.

Segmented tapered plain bearings reduce weight and maintenance complexity while maintaining load capacity in direct-drive wind turbines.

Adjustable rear deflectors optimize fluid velocity to resolve the contradiction between energy conversion efficiency and device complexity.

A downstream hub divides the long bearing span to maintain dynamic stability while a coupling nut applies axial preload for torque transmission.

Segmented repair parts with thickened stiffening legs restore structural integrity to cracked forward frame v-blades without full component replacement.

Segmented hybrid skin core cavities with optimized geometry reduce thermal strain and improve durability by managing high heat loads at the airfoil tip region.

A wind turbine rotor blade thickened zone applies a spoiler and vortex generator to maintain attached airflow, increasing lift coefficient while reducing drag.

A hydraulic motor uses a grooved spool to convert fluid pressure into rotational power.

An inverse process model computes target steam temperatures to manage thermal stress during startup, enabling faster plant load control.

Recessed airfoil platform pockets covered by sealed plates route cooling fluid to reduce thermal mechanical fatigue.