Engine Manufacture TRIZ Cases

Alternating concavity contours stiffen turbine exhaust side panels to prevent high cycle fatigue failure from resonant vibration.

Segmented damper rings prevent high-speed friction locking by allowing independent segment motion, reducing rotor stress and extending engine service life.

An extractable sheet metal insert reduces mass and production complexity by mounting on the outer surface instead of embedding in the laminate structure.

Segmented modular design with rigid connection bars replaces complex harnesses, reducing vibration and simplifying maintenance access.

A carbon fiber material layer bridges the pultruded belt and lightning conductor to prevent flashovers.

Pre-heating wind turbine blade mould zones to distinct temperatures reduces heat loss during resin infusion, preventing voids and shortening manufacturing time.

A segmented wind turbine blade spar structure uses releasable coupling mechanisms to enable efficient on-site reassembly of large composite components.

Interconnected ribs with varied orientations reinforce the tip shroud, resolving stiffness loss from cooling passages while maintaining thermal management.

Radially extending ribs on a metallic insert member within gas turbine airfoils enhance convective heat transfer, reducing cooling air flow requirements.

Petal gap elimination reduces cooling air requirements while maintaining thrust vectoring capability in variable geometry exhaust nozzles.

Serpentine channels merge airfoil and platform cooling to address localized hot spots caused by centrifugal forces and hot gas ingestion.

A modular maintenance platform rotates around a wind turbine hub to provide stable access for service personnel.

Staggered ring segments simplify ballistic liner alignment during gas turbine engine casing installation, resolving core case assembly complexity.

Super-elastic damping component deforms under excessive load to absorb energy and reduce dynamic forces transmitted to the support structure.

Alternating helicoid cell structure resolves acoustic performance and manufacturing complexity contradictions through nested cavity designs.

A cactus-shaped clearance control ring uses thermal expansion to move the air seal assembly, reducing core air leakage during power reduction.

Metallic covers enclose carbon fiber elements to form a Faraday cage, reducing weight and cost by allowing placement closer to the tip.

An optical laser alignment device replaces mechanical gauges to set wind turbine blade angles, reducing power losses and vibrations from inaccurate positioning.

A contoured honeycomb seal on the turbine shroud reduces energy loss by optimizing radial and swirl flow angles.

A fiber-reinforced polymeric shell assembly modifies turbine part geometry through injected casting.

Segmenting the waste gate into independent hub and shroud valves controls scroll inflow to suppress reverse flow losses and improve turbine efficiency.

Segmented baffles direct cooling air transverse to the inner wall, preventing impingement and maintaining desired temperature thresholds.

Alternating turbine blades rotate in opposite directions to eliminate stationary vanes, reducing pressure loss and apparatus volume.

Differently oriented airfoils reduce noise through destructive interference while adjusting thrust and swirl effects across operating conditions.

Forming a cable loop with a specific angle inside the tower resolves space constraints for stiff, large-diameter power cables.

An inner metal frame with transverse and longitudinal ribs secures a tubular nacelle shell, reducing component stress and enabling helicopter landings.

A vertical shaft turbine system generates energy from normal water flow using retractable blades and a modular support frame.

Hinged tower segments rotate about vertical axes to form compact loads, resolving transport constraints for oversized wind turbine structures.

Spiral guides on turbine vane inner surfaces direct impingement cooling fluid along curved paths to extend surface contact duration.

Porous abradable coatings reduce turbine leakage through controlled abrasion while maintaining coating integrity against wear and erosion.

Bulges in turbine blade slots redistribute radial forces to reduce stress concentrations and prevent crack formation during servicing.

A turbine blade shank incorporates a recessed downstream cover plate profile to separate mean and vibratory stress concentrations.

Shear keys cast with precast sectors ensure assembly precision despite manufacturing tolerances, reducing transportation costs.

Segmented seals define cooled cavities within the annular space, stabilizing pressure differences and minimizing leakage paths.

Additive manufacturing creates a continuous non-planar core that fits curved surfaces, resolving volume and ease of manufacture contradictions.

Helical channels within cooling apertures inject coolant to mitigate vortex detachment at high blowing ratios.

A gas turbine exhaust cone partition wall uses a three-dimensional corrugated sheetmetal structure to dampen low-frequency vibrations.

An electric machine rotates a blade ring downstream of the low-pressure compressor to generate independent airflow for precise aerodynamic control.

Blind recesses covered by adjacent flanges reduce thermally induced stresses while preventing fluid leakage in turbomachine assemblies.

A flow-enhancing fabric with spaced monofilaments directs resin through carbon pultrusions in wind turbine spar caps.

Curved flow guidance and turbulator structures prevent particle deposition in vane impingement tubes, maintaining cooling effectiveness.

Plasma sprayed wear-resistant material fills blade contact surface indentations, preventing detachment and reducing maintenance costs.

A telescopic support tower uses sliding components to enable on-site assembly without large cranes.

Alignment pins guide inserts into prefabricated panel cavities, eliminating complex tooling and skilled labor requirements.

Root inserts with cylindrical members anchor pulley cables to lift rotor blades, reducing crane costs.

Radial slots on a turbine damper pin expand contact area with bucket platforms, absorbing vibrations that cause oxidation and fatigue cracking.

A generator motor rotates the wind turbine hub relative to the stator for precise blade positioning.

Offset pivot assemblies generate a leakage stream through asymmetrical door gaps, enhancing reverse thrust while maintaining aerodynamic integrity.

Integrated woven composite housing eliminates metal brackets to resolve assembly complexity and static overstress in turbomachine fan rings.

A film cooling structure with a diffuser part expands the channel cross section to spread the cooling medium across turbine blade surfaces.