Engine Fuctions TRIZ Cases

Segmented cooling trenches and dedicated film holes reduce thermal stresses at circumferential edges, extending blade outer air seal lifespan.

A bearing compartment assembly uses a reactive volume vessel to adjust internal space and maintain pressure integrity.

Segregating ignition sources in a dedicated container relaxes fireproofing requirements for surrounding components, reducing weight and complexity.

Triple bend finger seal segments distribute radial loads across multiple curved legs to maintain contact under large deflections.

A rotor damper uses a projection to maintain contact force via centripetal forces.

Heated compressed air drives an air turbine to generate electricity, enabling autonomous black start capability without external power sources.

Segmented intake and discharge bypass valves route air around the recuperator to compensate for thermal inertia during load changes.

Relocating the accessory gearbox to the engine pylon frees core nacelle volume and reduces mechanical complexity.

Spacers maintain axial spacing while mechanically stopping vane rotation to eliminate separate hard stop components.

Pre-compressed air storage enables rapid power augmentation and stability in gas turbine operations, reducing startup times to seconds.

Radial conduits transport lubricant to pitch bearing teeth during meshing, reducing wear and preventing rotor imbalance.

Jacking screws and shim members secure casing gaps, eliminating hydraulic jack requirements and reducing assembly time.

A rotor blade tip features an inclined drainage bore that fluidically couples the internal cavity to the suction-side surface for effective water discharge.

A submerged wave energy converter uses pivot drive members to convert vertical motion into rotation.

Integrating an aerodynamic covering element into a resin-molded composite preform reduces turbomachine weight while eliminating separate assembly steps.

Radial oil channel branches to flush planetary gear splines, eliminating complex nozzle networks.

A gas turbine rotor disk bore preheats using hot air from the combustor to manage thermal gradients during engine operation.

A turbine airfoil cooling circuit uses a flow divider to branch feed tubes into multiple paths for targeted heat removal.

A pneumatic circuit breaker blocks turbine outlet ducts to prevent propellant over-speeding in rocket thrust vector control assemblies.

Radially movable locking elements engage shaft recesses to prevent unpredictable rotation, eliminating bulky external hubs and reducing technician injury risk.

Segmented buoyant columns with rotary shaft dampers absorb wave stress, stabilizing the deck against storm turbulence.

A flange wedge with specific heel and surface angles creates static behavior under dynamic loads.

Inverted mounting sequence eliminates pre-assembly steps and gaps, ensuring secure axial fixation.

An auxiliary heat source preheats boiler components via controlled fluid circulation, reducing thermal stress during startup.

A geopolymer composite heat exchanger conducts thermal energy through a carbon fiber reinforced matrix to cool fluids at temperatures above 300 degrees Celsius.

A tuned mass damper system mounted in a floating offshore wind turbine hull reduces platform motion using water ballast and pressurized air.

A hydraulic wave power system stores kinetic energy in fluid pressure to generate electricity, smoothing irregular wave motion for stable output.

Electromagnetic wave analysis replaces manual abseiling for lightning conductor checks, eliminating personnel safety risks and reducing inspection time.

Segmented head covers with integrated fans enable active cooling of hub control panels, preventing overheating in sealed rotor heads.

CFRP panels with a balsa wood core reduce enclosure weight and corrosion while the monolithic shell seals heat and noise leakage.

A disconnector arm moves via a meltable element to contact and sever a drive shaft upon failure.

Laser measurement of casing deformation enables precise stationary component positioning, eliminating time-consuming temporary assembly cycles.

A nacelle cooling system uses sealed heat exchangers to manage internal thermal loads in wind turbines.

A rigid root insert within a composite laminate resists stress concentrations at the bolted joint, extending fatigue life for larger wind turbine blades.

A gas turbine engine uses multiple independent cores to supply rotational energy to a blade assembly via selective clutch engagement.

Self-powered compressor control eliminates combustion emissions and reduces energy consumption in high-efficiency gas engines.

A hybrid airfoil combines a metallic sheath with a composite core to reduce weight while maintaining structural integrity.

Segmented circuits deliver tailored temperatures to electric machine and turbine components, resolving size and complexity trade-offs.

Segmented serpentine cooling channels direct fluid flow across turbine blade surfaces to reduce temperature variations and thermal stresses.

Morphable rotor blades adjust airfoil shape via shape memory alloys to resolve single-condition efficiency trade-offs.

Parallel electrical resistors heat circulating air to expand the annular casing, reducing response time and wear during turbomachine accelerations.

A control unit regulates heated water flow in a fuel gas heater via return and dump valves, preventing sharp temperature rises during load reductions.

Curved lower wall redirects lubricating oil flow, preventing obstructive wall formation in the turbocharger passage.

A turbomachine control method regulates outlet gas temperature using an electric motor to inject torque on the high-pressure shaft.

Dynamic fluid containers on a rotating track convert gravity into torque, resolving environmental impact and device complexity trade-offs.

A brake caliper lifting device uses guide pins and an eyelet to attach securely to mounting holes.

An axially biased pin in a turbine shroud assembly maintains chordal seal engagement, accommodating thermal expansion differences without leakage.

Curvilinear airfoil protrusions promote wake mixing to reduce turbofan engine noise.

Integrating abatement parts at the interstage treats exhaust gas directly, preventing backflow contamination and reducing energy consumption.

Segmented injector holes distribute cooling air to prevent combustion product leakage while reducing rotor blade leading edge erosion.