Engine Manufacture TRIZ Cases

Segmented trailing edge cooling passages with upstream ribs maintain coolant flow to the airfoil extremity.

Alternate load path through tension rod reduces actuator weight and eliminates stow stop wear during rejected take-off.

Counter-rotating vortices from protuberances prevent mixing with hot gases, reducing metal operating temperatures.

Porous sintered swashplates store lubricant to prevent dry mounting wear and extend compressor life.

Intermediary guide devices prevent unwanted contacts between the fan cowl edge and gratings during thrust reverser operation.

External panel recesses house locking mechanisms to eliminate bolted piercings, preserving casing integrity and enabling accessible maintenance.

A pivotable mounting structure holds wind turbine tower sectors in parallel orientation for secure flange alignment.

Varying aperture widths create a weakened area that shears to absorb separated fragment energy, reducing damage risk while maintaining structural integrity.

Integrates cooling ducts into the external platform sector to eliminate connecting bushings and reduce radial encumbrance.

A ceramic intermediate piece with a frustoconical contact surface thermally isolates the needle valve, preventing thermal degradation of the attachment system.

Manages gearbox torque during wind turbine blade assembly via counter-clockwise hub rotation, expanding the operational window for higher wind speeds.

A spar cap design uses a metal conductor wrapped with carbon fibre mat to establish electrical contact.

A retractable exhaust liner segment with a split ring design enables vertical engine removal, reducing maintenance time while maintaining backpressure seals.

Honeycomb acoustic liner absorbs targeted frequency energy to reduce mechanical fatigue on turbine components.

Reduced feed angle and cross-sectional area minimize particulate accumulation in turbine blade platform plenums.

Positioning a constriction near the vane trailing edge creates an acceleration grid that reduces pressure losses and flow separation risks.

Dynamic exhaust area control prevents bowed rotor damage by limiting rotor speed below resonance thresholds.

Pre-heating fibrous pre-forms eliminates in-mould thermal waiting periods, reducing cycle time during wind turbine blade manufacturing.

Pivotable lever arms grip rotor blades to align them with the hub, reducing assembly time lost to manual positioning under wind gusts.

Mounting a wind turbine module in a hanging position at the erection site reduces transport height and complexity.

A turbomachine blade airfoil uses a specific throat distribution to improve aerodynamic loading on the fluid pathway.

Valve device directs turbomachine lubricant flow through dual inlets using buoyancy and suction forces to maintain supply.

Segmented pressure balance areas reduce differential forces on the movable wall, preventing slaming shut and enabling smaller actuators.

Bead-like stiffening features on the inner ring prevent vibration and deformation of supercharging device heat shields under high pressure.

Static pressure sensors mounted on the compressor housing determine total pressure characteristics within the gas turbine engine flowpath.

A radially variable wall with a wave-like structure adjusts the flow cross-section in jet engines.

Merging the compressor and turbine housings with the cylinder head eliminates external mounting, reducing packaging space and noise.

Permeability differences between infusion-promoting and surrounding layers prevent back-filling and dry spots during composite manufacturing.

Spaced ribs on the blade heel generate turbulence to limit gas passage between the moving wheel and abradable material, reducing energy loss.

Defined aerodynamic profile balances manufacturing complexity with energy loss reduction via parameter changes.

An automated fault handling apparatus gathers sensor data from wind turbine controllers to identify malfunction causes, reducing diagnosis time for technicians.

Gradually varying steam channel widths in a nozzle box prevents abrupt area changes that cause total pressure loss and swirl.

A split ring damper dissipates vibratory energy through friction at multiple contact points on an integrally bladed rotor rim.

Metal inserts and clamping units join segmented rotor blade sections, increasing mechanical load capacity while reducing weight.

Elevating the hub reduces ground space requirements and simplifies offshore maintenance operations.

A secondary lip on a support ring engages an airfoil platform radial surface to counteract shear forces and prevent ceramic matrix composite delamination.

Sync ring drives contra-rotatable variable vanes via segment gears to throttle annular airflow in gas turbine engines.

A modular wind turbine nacelle design separates the main unit from a service unit to enable flexible crane attachment and detachment.

Movable skin elements in a cellular structure accommodate differential thermal expansion, reducing thermomechanical stresses in aircraft propulsion nacelles.

A segmented turbine shroud uses an elongated pin and carrier bore to enable radial flexion for CMC seal segments.

A conical particle separator diverts airflow radially outward to guide air into the core inlet of a tip turbine engine.

A flexible closure membrane redirects airflow through a radial evacuation structure to reverse jet thrust in aircraft propulsion units.

Integrated hoisting mechanisms lift turbine components along predetermined paths without external cranes.

A turbomachine airfoil features a thermal barrier coating with a base layer whose thickness varies across the pressure and suction surfaces.

Cleats with rails support glue flanges while clamp tools hold them, resolving positioning difficulties caused by resin shrinkage.

Angled forward bolts improve structural stability and alignment precision in gas turbine engine mid-turbine frames.

Internal skin cavity cooling uses varying hydraulic diameters to accelerate coolant flow and increase heat transfer coefficients.

Anti-fire tanks nest within the nacelle annular space to increase extinguishing fluid capacity while reducing pipe length and mass.